GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2018-1061 (GCVE-0-2018-1061)

Vulnerability from cvelistv5 – Published: 2018-06-19 12:00 – Updated: 2024-08-05 03:51
VLAI
Summary
python before versions 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 and 3.7.0 is vulnerable to catastrophic backtracking in the difflib.IS_LINE_JUNK method. An attacker could use this flaw to cause denial of service.
CWE
References
URL Tags
https://www.debian.org/security/2018/dsa-4306 vendor-advisoryx_refsource_DEBIAN
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… x_refsource_CONFIRM
http://www.securitytracker.com/id/1042001 vdb-entryx_refsource_SECTRACK
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://bugs.python.org/issue32981 x_refsource_CONFIRM
https://usn.ubuntu.com/3817-2/ vendor-advisoryx_refsource_UBUNTU
https://docs.python.org/3.6/whatsnew/changelog.ht… x_refsource_CONFIRM
https://docs.python.org/3.5/whatsnew/changelog.ht… x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2018:3505 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2018:3041 vendor-advisoryx_refsource_REDHAT
https://www.debian.org/security/2018/dsa-4307 vendor-advisoryx_refsource_DEBIAN
https://usn.ubuntu.com/3817-1/ vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://access.redhat.com/errata/RHBA-2019:0327 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:1260 vendor-advisoryx_refsource_REDHAT
https://support.hpe.com/hpsc/doc/public/display?d… x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2019:3725 vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
Impacted products
Vendor Product Version CPE status
[UNKNOWN] python Affected: python 2.7.15
Affected: python 3.4.9
Affected: python 3.5.6
Affected: python 3.7.0
guessed Create a notification for this product.
Date Public
2018-03-14 00:00
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T03:51:48.415Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "DSA-4306",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2018/dsa-4306"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1061"
          },
          {
            "name": "1042001",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1042001"
          },
          {
            "name": "[debian-lts-announce] 20180926 [SECURITY] [DLA 1520-1] python3.4 security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00031.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugs.python.org/issue32981"
          },
          {
            "name": "USN-3817-2",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3817-2/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://docs.python.org/3.6/whatsnew/changelog.html#python-3-6-5-release-candidate-1"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-6-release-candidate-1"
          },
          {
            "name": "RHSA-2018:3505",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2018:3505"
          },
          {
            "name": "RHSA-2018:3041",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2018:3041"
          },
          {
            "name": "DSA-4307",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2018/dsa-4307"
          },
          {
            "name": "USN-3817-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3817-1/"
          },
          {
            "name": "[debian-lts-announce] 20180925 [SECURITY] [DLA 1519-1] python2.7 security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00030.html"
          },
          {
            "name": "FEDORA-2019-6e1938a3c5",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSKPGPZQNTAULHW4UH63KGOOUIDE4RRB/"
          },
          {
            "name": "FEDORA-2019-cf725dd20b",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AEZ5IQT7OF7Q2NCGIVABOWYGKO7YU3NJ/"
          },
          {
            "name": "FEDORA-2019-51f1e08207",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/46PVWY5LFP4BRPG3BVQ5QEEFYBVEXHCK/"
          },
          {
            "name": "RHBA-2019:0327",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHBA-2019:0327"
          },
          {
            "name": "RHSA-2019:1260",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2019:1260"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbst03951en_us"
          },
          {
            "name": "RHSA-2019:3725",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2019:3725"
          },
          {
            "name": "openSUSE-SU-2020:0086",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "python",
          "vendor": "[UNKNOWN]",
          "versions": [
            {
              "status": "affected",
              "version": "python 2.7.15"
            },
            {
              "status": "affected",
              "version": "python 3.4.9"
            },
            {
              "status": "affected",
              "version": "python 3.5.6"
            },
            {
              "status": "affected",
              "version": "python 3.7.0"
            }
          ]
        }
      ],
      "datePublic": "2018-03-14T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "python before versions 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 and 3.7.0 is vulnerable to catastrophic backtracking in the difflib.IS_LINE_JUNK method.  An attacker could use this flaw to cause denial of service."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-01-21T21:06:16.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "DSA-4306",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2018/dsa-4306"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1061"
        },
        {
          "name": "1042001",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1042001"
        },
        {
          "name": "[debian-lts-announce] 20180926 [SECURITY] [DLA 1520-1] python3.4 security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00031.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugs.python.org/issue32981"
        },
        {
          "name": "USN-3817-2",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3817-2/"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://docs.python.org/3.6/whatsnew/changelog.html#python-3-6-5-release-candidate-1"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-6-release-candidate-1"
        },
        {
          "name": "RHSA-2018:3505",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2018:3505"
        },
        {
          "name": "RHSA-2018:3041",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2018:3041"
        },
        {
          "name": "DSA-4307",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2018/dsa-4307"
        },
        {
          "name": "USN-3817-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3817-1/"
        },
        {
          "name": "[debian-lts-announce] 20180925 [SECURITY] [DLA 1519-1] python2.7 security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00030.html"
        },
        {
          "name": "FEDORA-2019-6e1938a3c5",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSKPGPZQNTAULHW4UH63KGOOUIDE4RRB/"
        },
        {
          "name": "FEDORA-2019-cf725dd20b",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AEZ5IQT7OF7Q2NCGIVABOWYGKO7YU3NJ/"
        },
        {
          "name": "FEDORA-2019-51f1e08207",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/46PVWY5LFP4BRPG3BVQ5QEEFYBVEXHCK/"
        },
        {
          "name": "RHBA-2019:0327",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHBA-2019:0327"
        },
        {
          "name": "RHSA-2019:1260",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2019:1260"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbst03951en_us"
        },
        {
          "name": "RHSA-2019:3725",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2019:3725"
        },
        {
          "name": "openSUSE-SU-2020:0086",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2018-1061",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "python",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "python 2.7.15"
                          },
                          {
                            "version_value": "python 3.4.9"
                          },
                          {
                            "version_value": "python 3.5.6"
                          },
                          {
                            "version_value": "python 3.7.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "[UNKNOWN]"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "python before versions 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 and 3.7.0 is vulnerable to catastrophic backtracking in the difflib.IS_LINE_JUNK method.  An attacker could use this flaw to cause denial of service."
            }
          ]
        },
        "impact": {
          "cvss": [
            [
              {
                "vectorString": "6.5/CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                "version": "3.0"
              }
            ]
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-20"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "DSA-4306",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2018/dsa-4306"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1061",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1061"
            },
            {
              "name": "1042001",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1042001"
            },
            {
              "name": "[debian-lts-announce] 20180926 [SECURITY] [DLA 1520-1] python3.4 security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00031.html"
            },
            {
              "name": "https://bugs.python.org/issue32981",
              "refsource": "CONFIRM",
              "url": "https://bugs.python.org/issue32981"
            },
            {
              "name": "USN-3817-2",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/3817-2/"
            },
            {
              "name": "https://docs.python.org/3.6/whatsnew/changelog.html#python-3-6-5-release-candidate-1",
              "refsource": "CONFIRM",
              "url": "https://docs.python.org/3.6/whatsnew/changelog.html#python-3-6-5-release-candidate-1"
            },
            {
              "name": "https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-6-release-candidate-1",
              "refsource": "CONFIRM",
              "url": "https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-6-release-candidate-1"
            },
            {
              "name": "RHSA-2018:3505",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:3505"
            },
            {
              "name": "RHSA-2018:3041",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:3041"
            },
            {
              "name": "DSA-4307",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2018/dsa-4307"
            },
            {
              "name": "USN-3817-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/3817-1/"
            },
            {
              "name": "[debian-lts-announce] 20180925 [SECURITY] [DLA 1519-1] python2.7 security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00030.html"
            },
            {
              "name": "FEDORA-2019-6e1938a3c5",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JSKPGPZQNTAULHW4UH63KGOOUIDE4RRB/"
            },
            {
              "name": "FEDORA-2019-cf725dd20b",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AEZ5IQT7OF7Q2NCGIVABOWYGKO7YU3NJ/"
            },
            {
              "name": "FEDORA-2019-51f1e08207",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/46PVWY5LFP4BRPG3BVQ5QEEFYBVEXHCK/"
            },
            {
              "name": "RHBA-2019:0327",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHBA-2019:0327"
            },
            {
              "name": "RHSA-2019:1260",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2019:1260"
            },
            {
              "name": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbst03951en_us",
              "refsource": "CONFIRM",
              "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbst03951en_us"
            },
            {
              "name": "RHSA-2019:3725",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2019:3725"
            },
            {
              "name": "openSUSE-SU-2020:0086",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2018-1061",
    "datePublished": "2018-06-19T12:00:00.000Z",
    "dateReserved": "2017-12-04T00:00:00.000Z",
    "dateUpdated": "2024-08-05T03:51:48.415Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2018-1061",
      "date": "2026-09-19",
      "epss": "0.04916",
      "percentile": "0.9171"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "B3B9C8F1-930A-4904-BA58-CD71AEA6F041",
                  "versionEndExcluding": "2.7.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "BEAEA4A6-C241-4328-9714-E3EC9045DE47",
                  "versionEndExcluding": "3.4.9",
                  "versionStartIncluding": "3.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "FDD05853-776E-403C-9FE2-517815CFE73E",
                  "versionEndIncluding": "3.5.5",
                  "versionStartIncluding": "3.5.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "98B20419-64D0-459C-B1B0-1AE37C902310",
                  "versionEndIncluding": "3.6.4",
                  "versionStartIncluding": "3.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:python:python:3.7.0:alpha1:*:*:*:*:*:*",
                  "matchCriteriaId": "BA0830A5-0A8E-4708-9F12-82081E563FFF",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:python:python:3.7.0:alpha2:*:*:*:*:*:*",
                  "matchCriteriaId": "D0C441C1-5085-4849-A738-DEDB47F781B9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:python:python:3.7.0:alpha3:*:*:*:*:*:*",
                  "matchCriteriaId": "D35873A6-F97E-4EE2-838F-D0931E6A28D3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:python:python:3.7.0:alpha4:*:*:*:*:*:*",
                  "matchCriteriaId": "062304A4-066F-4C2D-BDAB-4716B4F63FA5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:python:python:3.7.0:beta1:*:*:*:*:*:*",
                  "matchCriteriaId": "6A7E7890-36B8-4259-AC7B-19FEADC23ADD",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:python:python:3.7.0:beta2:*:*:*:*:*:*",
                  "matchCriteriaId": "573E7CAE-9884-44F1-8A3A-54081DB63618",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:python:python:3.7.0:beta3:*:*:*:*:*:*",
                  "matchCriteriaId": "819DE67C-A7A6-46DE-A41F-7B7F805944A3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:python:python:3.7.0:beta4:*:*:*:*:*:*",
                  "matchCriteriaId": "BE8DDDF3-2695-493C-A21F-691ECD91EE79",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:python:python:3.7.0:beta5:*:*:*:*:*:*",
                  "matchCriteriaId": "C45769F8-486F-4041-B059-7B0DD16F2E74",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:python:python:3.7.0:rc1:*:*:*:*:*:*",
                  "matchCriteriaId": "0D7535FC-8684-4890-8D24-39699A46D6D4",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                  "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                  "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:redhat:ansible_tower:3.3:*:*:*:*:*:*:*",
                  "matchCriteriaId": "A5319543-0143-4E2E-AA77-B7F116C1336C",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*",
                  "matchCriteriaId": "33C068A4-3780-4EAB-A937-6082DF847564",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*",
                  "matchCriteriaId": "51EF4996-72F4-4FA4-814F-F5991E7A8318",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*",
                  "matchCriteriaId": "825ECE2D-E232-46E0-A047-074B34DB1E97",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*",
                  "matchCriteriaId": "8D305F7A-D159-4716-AB26-5E38BB5CD991",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
                  "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
                  "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
                  "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*",
                  "matchCriteriaId": "DC1BD7B7-6D88-42B8-878E-F1318CA5FCAF",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*",
                  "matchCriteriaId": "D100F7CE-FC64-4CC6-852A-6136D72DA419",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*",
                  "matchCriteriaId": "97A4B8DF-58DA-4AB6-A1F9-331B36409BA3",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "python before versions 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 and 3.7.0 is vulnerable to catastrophic backtracking in the difflib.IS_LINE_JUNK method.  An attacker could use this flaw to cause denial of service."
        },
        {
          "lang": "es",
          "value": "python en versiones anteriores a la 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 y 3.7.0 es vulnerable a backtracking catastr\u00f3fico en el m\u00e9todo difflib.IS_LINE_JUNK. Un atacante podr\u00eda utilizar este fallo para provocar una denegaci\u00f3n de servicio (DoS)."
        }
      ],
      "id": "CVE-2018-1061",
      "lastModified": "2024-11-21T03:59:05.747",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "MEDIUM",
            "cvssData": {
              "accessComplexity": "LOW",
              "accessVector": "NETWORK",
              "authentication": "NONE",
              "availabilityImpact": "PARTIAL",
              "baseScore": 5.0,
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
              "version": "2.0"
            },
            "exploitabilityScore": 10.0,
            "impactScore": 2.9,
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "source": "nvd@nist.gov",
            "type": "Primary",
            "userInteractionRequired": false
          }
        ],
        "cvssMetricV30": [
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
              "version": "3.0"
            },
            "exploitabilityScore": 2.8,
            "impactScore": 3.6,
            "source": "secalert@redhat.com",
            "type": "Secondary"
          },
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.0"
            },
            "exploitabilityScore": 3.9,
            "impactScore": 3.6,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2018-06-19T12:29:00.220",
      "references": [
        {
          "source": "secalert@redhat.com",
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Third Party Advisory",
            "VDB Entry"
          ],
          "url": "http://www.securitytracker.com/id/1042001"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://access.redhat.com/errata/RHBA-2019:0327"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2018:3041"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2018:3505"
        },
        {
          "source": "secalert@redhat.com",
          "url": "https://access.redhat.com/errata/RHSA-2019:1260"
        },
        {
          "source": "secalert@redhat.com",
          "url": "https://access.redhat.com/errata/RHSA-2019:3725"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "https://bugs.python.org/issue32981"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Issue Tracking"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1061"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-6-release-candidate-1"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "https://docs.python.org/3.6/whatsnew/changelog.html#python-3-6-5-release-candidate-1"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Mailing List",
            "Third Party Advisory"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00030.html"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Mailing List",
            "Third Party Advisory"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00031.html"
        },
        {
          "source": "secalert@redhat.com",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/46PVWY5LFP4BRPG3BVQ5QEEFYBVEXHCK/"
        },
        {
          "source": "secalert@redhat.com",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AEZ5IQT7OF7Q2NCGIVABOWYGKO7YU3NJ/"
        },
        {
          "source": "secalert@redhat.com",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSKPGPZQNTAULHW4UH63KGOOUIDE4RRB/"
        },
        {
          "source": "secalert@redhat.com",
          "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbst03951en_us"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://usn.ubuntu.com/3817-1/"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://usn.ubuntu.com/3817-2/"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://www.debian.org/security/2018/dsa-4306"
        },
        {
          "source": "secalert@redhat.com",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://www.debian.org/security/2018/dsa-4307"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory",
            "VDB Entry"
          ],
          "url": "http://www.securitytracker.com/id/1042001"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://access.redhat.com/errata/RHBA-2019:0327"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2018:3041"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2018:3505"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://access.redhat.com/errata/RHSA-2019:1260"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://access.redhat.com/errata/RHSA-2019:3725"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "https://bugs.python.org/issue32981"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Issue Tracking"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1061"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-6-release-candidate-1"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "https://docs.python.org/3.6/whatsnew/changelog.html#python-3-6-5-release-candidate-1"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Mailing List",
            "Third Party Advisory"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00030.html"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Mailing List",
            "Third Party Advisory"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00031.html"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/46PVWY5LFP4BRPG3BVQ5QEEFYBVEXHCK/"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AEZ5IQT7OF7Q2NCGIVABOWYGKO7YU3NJ/"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSKPGPZQNTAULHW4UH63KGOOUIDE4RRB/"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbst03951en_us"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://usn.ubuntu.com/3817-1/"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://usn.ubuntu.com/3817-2/"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://www.debian.org/security/2018/dsa-4306"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://www.debian.org/security/2018/dsa-4307"
        }
      ],
      "sourceIdentifier": "secalert@redhat.com",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-20"
            }
          ],
          "source": "secalert@redhat.com",
          "type": "Secondary"
        },
        {
          "description": [
            {
              "lang": "en",
              "value": "NVD-CWE-noinfo"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "B3B9C8F1-930A-4904-BA58-CD71AEA6F041",
                    "versionEndExcluding": "2.7.15",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "BEAEA4A6-C241-4328-9714-E3EC9045DE47",
                    "versionEndExcluding": "3.4.9",
                    "versionStartIncluding": "3.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "FDD05853-776E-403C-9FE2-517815CFE73E",
                    "versionEndIncluding": "3.5.5",
                    "versionStartIncluding": "3.5.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "98B20419-64D0-459C-B1B0-1AE37C902310",
                    "versionEndIncluding": "3.6.4",
                    "versionStartIncluding": "3.6",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:python:python:3.7.0:alpha1:*:*:*:*:*:*",
                    "matchCriteriaId": "BA0830A5-0A8E-4708-9F12-82081E563FFF",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:python:python:3.7.0:alpha2:*:*:*:*:*:*",
                    "matchCriteriaId": "D0C441C1-5085-4849-A738-DEDB47F781B9",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:python:python:3.7.0:alpha3:*:*:*:*:*:*",
                    "matchCriteriaId": "D35873A6-F97E-4EE2-838F-D0931E6A28D3",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:python:python:3.7.0:alpha4:*:*:*:*:*:*",
                    "matchCriteriaId": "062304A4-066F-4C2D-BDAB-4716B4F63FA5",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:python:python:3.7.0:beta1:*:*:*:*:*:*",
                    "matchCriteriaId": "6A7E7890-36B8-4259-AC7B-19FEADC23ADD",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:python:python:3.7.0:beta2:*:*:*:*:*:*",
                    "matchCriteriaId": "573E7CAE-9884-44F1-8A3A-54081DB63618",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:python:python:3.7.0:beta3:*:*:*:*:*:*",
                    "matchCriteriaId": "819DE67C-A7A6-46DE-A41F-7B7F805944A3",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:python:python:3.7.0:beta4:*:*:*:*:*:*",
                    "matchCriteriaId": "BE8DDDF3-2695-493C-A21F-691ECD91EE79",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:python:python:3.7.0:beta5:*:*:*:*:*:*",
                    "matchCriteriaId": "C45769F8-486F-4041-B059-7B0DD16F2E74",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:python:python:3.7.0:rc1:*:*:*:*:*:*",
                    "matchCriteriaId": "0D7535FC-8684-4890-8D24-39699A46D6D4",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:redhat:ansible_tower:3.3:*:*:*:*:*:*:*",
                    "matchCriteriaId": "A5319543-0143-4E2E-AA77-B7F116C1336C",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "33C068A4-3780-4EAB-A937-6082DF847564",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "51EF4996-72F4-4FA4-814F-F5991E7A8318",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "825ECE2D-E232-46E0-A047-074B34DB1E97",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*",
                    "matchCriteriaId": "8D305F7A-D159-4716-AB26-5E38BB5CD991",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
                    "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
                    "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
                    "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*",
                    "matchCriteriaId": "DC1BD7B7-6D88-42B8-878E-F1318CA5FCAF",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*",
                    "matchCriteriaId": "D100F7CE-FC64-4CC6-852A-6136D72DA419",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*",
                    "matchCriteriaId": "97A4B8DF-58DA-4AB6-A1F9-331B36409BA3",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "python before versions 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 and 3.7.0 is vulnerable to catastrophic backtracking in the difflib.IS_LINE_JUNK method.  An attacker could use this flaw to cause denial of service."
          },
          {
            "lang": "es",
            "value": "python en versiones anteriores a la 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 y 3.7.0 es vulnerable a backtracking catastr\u00f3fico en el m\u00e9todo difflib.IS_LINE_JUNK. Un atacante podr\u00eda utilizar este fallo para provocar una denegaci\u00f3n de servicio (DoS)."
          }
        ],
        "id": "CVE-2018-1061",
        "lastModified": "2024-11-21T03:59:05.747",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 5.0,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV30": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                "version": "3.0"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 3.6,
              "source": "secalert@redhat.com",
              "type": "Secondary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.0"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2018-06-19T12:29:00.220",
        "references": [
          {
            "source": "secalert@redhat.com",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securitytracker.com/id/1042001"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://access.redhat.com/errata/RHBA-2019:0327"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2018:3041"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2018:3505"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://access.redhat.com/errata/RHSA-2019:1260"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://access.redhat.com/errata/RHSA-2019:3725"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://bugs.python.org/issue32981"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Issue Tracking"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1061"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-6-release-candidate-1"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://docs.python.org/3.6/whatsnew/changelog.html#python-3-6-5-release-candidate-1"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00030.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00031.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/46PVWY5LFP4BRPG3BVQ5QEEFYBVEXHCK/"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AEZ5IQT7OF7Q2NCGIVABOWYGKO7YU3NJ/"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSKPGPZQNTAULHW4UH63KGOOUIDE4RRB/"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbst03951en_us"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://usn.ubuntu.com/3817-1/"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://usn.ubuntu.com/3817-2/"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://www.debian.org/security/2018/dsa-4306"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://www.debian.org/security/2018/dsa-4307"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securitytracker.com/id/1042001"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://access.redhat.com/errata/RHBA-2019:0327"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2018:3041"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2018:3505"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://access.redhat.com/errata/RHSA-2019:1260"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://access.redhat.com/errata/RHSA-2019:3725"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://bugs.python.org/issue32981"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Issue Tracking"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1061"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-6-release-candidate-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://docs.python.org/3.6/whatsnew/changelog.html#python-3-6-5-release-candidate-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00030.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00031.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/46PVWY5LFP4BRPG3BVQ5QEEFYBVEXHCK/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AEZ5IQT7OF7Q2NCGIVABOWYGKO7YU3NJ/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSKPGPZQNTAULHW4UH63KGOOUIDE4RRB/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbst03951en_us"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://usn.ubuntu.com/3817-1/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://usn.ubuntu.com/3817-2/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://www.debian.org/security/2018/dsa-4306"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://www.debian.org/security/2018/dsa-4307"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-20"
              }
            ],
            "source": "secalert@redhat.com",
            "type": "Secondary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-noinfo"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-30T11:30:56+00:00",
      "cve": "CVE-2018-1061",
      "id": "CVE-2018-1061",
      "initial_release_date": "2018-03-14T00:00:00+00:00",
      "product_status:fixed": "521",
      "product_status:known_affected": "24",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "python: DOS via regular expression backtracking in difflib.IS_LINE_JUNK method in difflib",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-1061.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "low",
      "current_release_date": "2026-09-04T00:59:51Z",
      "cve": "CVE-2018-1061",
      "id": "CVE-2018-1061",
      "initial_release_date": "2023-02-15T04:34:38Z",
      "product_status:known_affected": "320",
      "product_status:known_not_affected": "1",
      "product_status:recommended": "1337",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2018-1061",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2018-1061.json",
      "version": "54"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…