certfr_avis - certfr-2018-avi-499

CERTFR-2018-AVI-499

Vulnerability from certfr_avis

Une vulnérabilité a été découverte dans la bibliothèque libssh côté serveur. Elle permet à un attaquant de provoquer un contournement de la politique de sécurité.

Solution

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

None

Impacted products

	Vendor	Product	Description
	N/A	N/A	libssh versions antérieures à 0.7.6
	N/A	N/A	libssh versions antérieures à 0.8.4

References

Title

Publication Time

CVE-2018-10933 (GCVE-0-2018-10933)

Vulnerability from cvelistv5

Published

2018-10-17 12:00

Modified

2024-08-05 07:54

Severity ?

9.1 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CWE

CWE-592

Summary

A vulnerability was found in libssh's server-side state machine before versions 0.7.6 and 0.8.4. A malicious client could create channels without first performing authentication, resulting in unauthorized access.

References

URL

Tags

	https://usn.ubuntu.com/3795-1/	vendor-advisory, x_refsource_UBUNTU
	https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html	x_refsource_CONFIRM
	https://usn.ubuntu.com/3795-2/	vendor-advisory, x_refsource_UBUNTU
	https://www.debian.org/security/2018/dsa-4322	vendor-advisory, x_refsource_DEBIAN
	https://www.exploit-db.com/exploits/45638/	exploit, x_refsource_EXPLOIT-DB
	https://www.libssh.org/security/advisories/CVE-2018-10933.txt	x_refsource_CONFIRM
	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10933	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/105677	vdb-entry, x_refsource_BID
	https://lists.debian.org/debian-lts-announce/2018/10/msg00010.html	mailing-list, x_refsource_MLIST
	https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0016	x_refsource_CONFIRM
	https://security.netapp.com/advisory/ntap-20190118-0002/	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	[UNKNOWN]	libssh	Version: 0.7.6 Version: 0.8.4

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T07:54:35.801Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "USN-3795-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3795-1/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html"
          },
          {
            "name": "USN-3795-2",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3795-2/"
          },
          {
            "name": "DSA-4322",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2018/dsa-4322"
          },
          {
            "name": "45638",
            "tags": [
              "exploit",
              "x_refsource_EXPLOIT-DB",
              "x_transferred"
            ],
            "url": "https://www.exploit-db.com/exploits/45638/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.libssh.org/security/advisories/CVE-2018-10933.txt"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10933"
          },
          {
            "name": "105677",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/105677"
          },
          {
            "name": "[debian-lts-announce] 20181018 [SECURITY] [DLA 1548-1] libssh security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/10/msg00010.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0016"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20190118-0002/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "libssh",
          "vendor": "[UNKNOWN]",
          "versions": [
            {
              "status": "affected",
              "version": "0.7.6"
            },
            {
              "status": "affected",
              "version": "0.8.4"
            }
          ]
        }
      ],
      "datePublic": "2018-10-16T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in libssh\u0027s server-side state machine before versions 0.7.6 and 0.8.4. A malicious client could create channels without first performing authentication, resulting in unauthorized access."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-592",
              "description": "CWE-592",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-01-19T10:57:02",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "USN-3795-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3795-1/"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html"
        },
        {
          "name": "USN-3795-2",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3795-2/"
        },
        {
          "name": "DSA-4322",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2018/dsa-4322"
        },
        {
          "name": "45638",
          "tags": [
            "exploit",
            "x_refsource_EXPLOIT-DB"
          ],
          "url": "https://www.exploit-db.com/exploits/45638/"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.libssh.org/security/advisories/CVE-2018-10933.txt"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10933"
        },
        {
          "name": "105677",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/105677"
        },
        {
          "name": "[debian-lts-announce] 20181018 [SECURITY] [DLA 1548-1] libssh security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2018/10/msg00010.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0016"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20190118-0002/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2018-10933",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "libssh",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "0.7.6"
                          },
                          {
                            "version_value": "0.8.4"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "[UNKNOWN]"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A vulnerability was found in libssh\u0027s server-side state machine before versions 0.7.6 and 0.8.4. A malicious client could create channels without first performing authentication, resulting in unauthorized access."
            }
          ]
        },
        "impact": {
          "cvss": [
            [
              {
                "vectorString": "9.1/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
                "version": "3.0"
              }
            ]
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-592"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "USN-3795-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/3795-1/"
            },
            {
              "name": "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html",
              "refsource": "CONFIRM",
              "url": "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html"
            },
            {
              "name": "USN-3795-2",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/3795-2/"
            },
            {
              "name": "DSA-4322",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2018/dsa-4322"
            },
            {
              "name": "45638",
              "refsource": "EXPLOIT-DB",
              "url": "https://www.exploit-db.com/exploits/45638/"
            },
            {
              "name": "https://www.libssh.org/security/advisories/CVE-2018-10933.txt",
              "refsource": "CONFIRM",
              "url": "https://www.libssh.org/security/advisories/CVE-2018-10933.txt"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10933",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10933"
            },
            {
              "name": "105677",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/105677"
            },
            {
              "name": "[debian-lts-announce] 20181018 [SECURITY] [DLA 1548-1] libssh security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2018/10/msg00010.html"
            },
            {
              "name": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0016",
              "refsource": "CONFIRM",
              "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0016"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20190118-0002/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20190118-0002/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2018-10933",
    "datePublished": "2018-10-17T12:00:00",
    "dateReserved": "2018-05-09T00:00:00",
    "dateUpdated": "2024-08-05T07:54:35.801Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted