gsd-2020-12100
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
In Dovecot before 2.3.11.3, uncontrolled recursion in submission, lmtp, and lda allows remote attackers to cause a denial of service (resource consumption) via a crafted e-mail message with deeply nested MIME parts.
Aliases
Aliases
CVE-2020-12100


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-12100",
    "description": "In Dovecot before 2.3.11.3, uncontrolled recursion in submission, lmtp, and lda allows remote attackers to cause a denial of service (resource consumption) via a crafted e-mail message with deeply nested MIME parts.",
    "id": "GSD-2020-12100",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-12100.html",
      "https://www.debian.org/security/2020/dsa-4745",
      "https://access.redhat.com/errata/RHSA-2020:3736",
      "https://access.redhat.com/errata/RHSA-2020:3735",
      "https://access.redhat.com/errata/RHSA-2020:3713",
      "https://access.redhat.com/errata/RHSA-2020:3617",
      "https://ubuntu.com/security/CVE-2020-12100",
      "https://advisories.mageia.org/CVE-2020-12100.html",
      "https://alas.aws.amazon.com/cve/html/CVE-2020-12100.html",
      "https://linux.oracle.com/cve/CVE-2020-12100.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-12100"
      ],
      "details": "In Dovecot before 2.3.11.3, uncontrolled recursion in submission, lmtp, and lda allows remote attackers to cause a denial of service (resource consumption) via a crafted e-mail message with deeply nested MIME parts.",
      "id": "GSD-2020-12100",
      "modified": "2023-12-13T01:21:49.143405Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2020-12100",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
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          }
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      },
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                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://dovecot.org/security",
            "refsource": "MISC",
            "url": "https://dovecot.org/security"
          },
          {
            "name": "[oss-security] 20200812 CVE-2020-12100: Dovecot IMAP server: Receiving mail with deeply nested MIME parts leads to resource exhaustion",
            "refsource": "MLIST",
            "url": "http://www.openwall.com/lists/oss-security/2020/08/12/1"
          },
          {
            "name": "DSA-4745",
            "refsource": "DEBIAN",
            "url": "https://www.debian.org/security/2020/dsa-4745"
          },
          {
            "name": "[debian-lts-announce] 20200815 [SECURITY] [DLA 2328-1] dovecot security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html"
          },
          {
            "name": "USN-4456-1",
            "refsource": "UBUNTU",
            "url": "https://usn.ubuntu.com/4456-1/"
          },
          {
            "name": "USN-4456-2",
            "refsource": "UBUNTU",
            "url": "https://usn.ubuntu.com/4456-2/"
          },
          {
            "name": "FEDORA-2020-cd8b8f887b",
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          },
          {
            "name": "GLSA-202009-02",
            "refsource": "GENTOO",
            "url": "https://security.gentoo.org/glsa/202009-02"
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          },
          {
            "name": "FEDORA-2020-d737c57172",
            "refsource": "FEDORA",
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          },
          {
            "name": "[oss-security] 20210104 CVE-2020-25275: Dovecot: MIME parsing crash",
            "refsource": "MLIST",
            "url": "http://www.openwall.com/lists/oss-security/2021/01/04/3"
          },
          {
            "name": "20210106 CVE-2020-24386: IMAP hibernation allows accessing other peoples mail",
            "refsource": "FULLDISC",
            "url": "http://seclists.org/fulldisclosure/2021/Jan/18"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "2.3.11.3",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
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            "cpe_match": [
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                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
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            ],
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          {
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            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
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              },
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
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              },
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
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            ],
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          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
                "cpe_name": [],
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              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*",
                "cpe_name": [],
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              },
              {
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              },
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              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-12100"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "value": "In Dovecot before 2.3.11.3, uncontrolled recursion in submission, lmtp, and lda allows remote attackers to cause a denial of service (resource consumption) via a crafted e-mail message with deeply nested MIME parts."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-674"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "[oss-security] 20200812 CVE-2020-12100: Dovecot IMAP server: Receiving mail with deeply nested MIME parts leads to resource exhaustion",
              "refsource": "MLIST",
              "tags": [
                "Exploit",
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://www.openwall.com/lists/oss-security/2020/08/12/1"
            },
            {
              "name": "https://dovecot.org/security",
              "refsource": "MISC",
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                "Vendor Advisory"
              ],
              "url": "https://dovecot.org/security"
            },
            {
              "name": "DSA-4745",
              "refsource": "DEBIAN",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://www.debian.org/security/2020/dsa-4745"
            },
            {
              "name": "[debian-lts-announce] 20200815 [SECURITY] [DLA 2328-1] dovecot security update",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html"
            },
            {
              "name": "USN-4456-1",
              "refsource": "UBUNTU",
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            },
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              "refsource": "UBUNTU",
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                "Third Party Advisory"
              ],
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            },
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            },
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              "refsource": "FEDORA",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/"
            },
            {
              "name": "FEDORA-2020-d737c57172",
              "refsource": "FEDORA",
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              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/"
            },
            {
              "name": "[oss-security] 20210104 CVE-2020-25275: Dovecot: MIME parsing crash",
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              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://www.openwall.com/lists/oss-security/2021/01/04/3"
            },
            {
              "name": "20210106 CVE-2020-24386: IMAP hibernation allows accessing other peoples mail",
              "refsource": "FULLDISC",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://seclists.org/fulldisclosure/2021/Jan/18"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "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,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2022-10-29T02:39Z",
      "publishedDate": "2020-08-12T16:15Z"
    }
  }
}


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