CVE-2015-3146 (GCVE-0-2015-3146)

Vulnerability from cvelistv5 – Published: 2016-04-13 17:00 – Updated: 2024-08-06 05:39
VLAI
Summary
The (1) SSH_MSG_NEWKEYS and (2) SSH_MSG_KEXDH_REPLY packet handlers in package_cb.c in libssh before 0.6.5 do not properly validate state, which allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted SSH packet.
CWE
  • n/a
References
Date Public
2015-04-30 00:00
Show details on NVD website

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              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2016-04-13T17:59:03.100",
        "references": [
          {
            "source": "secalert@redhat.com",
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161802.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158013.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.debian.org/security/2016/dsa-3488"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.ubuntu.com/usn/USN-2912-1"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://git.libssh.org/projects/libssh.git/commit/?h=libssh-0.6.5\u0026id=94f6955fbaee6fda9385a23e505497efe21f5b4f"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.libssh.org/2015/04/30/libssh-0-6-5-security-and-bugfix-release/"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.libssh.org/security/advisories/CVE-2015-3146.txt"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161802.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158013.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.debian.org/security/2016/dsa-3488"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.ubuntu.com/usn/USN-2912-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://git.libssh.org/projects/libssh.git/commit/?h=libssh-0.6.5\u0026id=94f6955fbaee6fda9385a23e505497efe21f5b4f"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.libssh.org/2015/04/30/libssh-0-6-5-security-and-bugfix-release/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.libssh.org/security/advisories/CVE-2015-3146.txt"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-Other"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-27T09:04:06+00:00",
      "cve": "CVE-2015-3146",
      "id": "CVE-2015-3146",
      "initial_release_date": "2015-04-30T00:00:00+00:00",
      "product_status:known_affected": "2",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "libssh: null pointer dereference due to a logical error in the handling of a SSH_MSG_NEWKEYS and KEXDH_REPLY packets",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-3146.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-01T02:32:22Z",
      "cve": "CVE-2015-3146",
      "id": "CVE-2015-3146",
      "initial_release_date": "2023-02-15T05:19:38Z",
      "product_status:known_affected": "320",
      "product_status:known_not_affected": "46",
      "product_status:recommended": "370",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2015-3146",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2015-3146.json",
      "version": "39"
    }
  }
}



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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.

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Detection rules are retrieved from Rulezet.

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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.


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