gsd-2015-3146
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
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.
Aliases
Aliases
CVE-2015-3146


To clipboard 

{
  "GSD": {
    "alias": "CVE-2015-3146",
    "description": "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.",
    "id": "GSD-2015-3146",
    "references": [
      "https://www.suse.com/security/cve/CVE-2015-3146.html",
      "https://ubuntu.com/security/CVE-2015-3146",
      "https://advisories.mageia.org/CVE-2015-3146.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2015-3146"
      ],
      "details": "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.",
      "id": "GSD-2015-3146",
      "modified": "2023-12-13T01:20:07.890343Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2015-3146",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "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."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "USN-2912-1",
            "refsource": "UBUNTU",
            "url": "http://www.ubuntu.com/usn/USN-2912-1"
          },
          {
            "name": "FEDORA-2015-10962",
            "refsource": "FEDORA",
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161802.html"
          },
          {
            "name": "https://www.libssh.org/security/advisories/CVE-2015-3146.txt",
            "refsource": "CONFIRM",
            "url": "https://www.libssh.org/security/advisories/CVE-2015-3146.txt"
          },
          {
            "name": "FEDORA-2015-7590",
            "refsource": "FEDORA",
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158013.html"
          },
          {
            "name": "https://www.libssh.org/2015/04/30/libssh-0-6-5-security-and-bugfix-release/",
            "refsource": "CONFIRM",
            "url": "https://www.libssh.org/2015/04/30/libssh-0-6-5-security-and-bugfix-release/"
          },
          {
            "name": "DSA-3488",
            "refsource": "DEBIAN",
            "url": "http://www.debian.org/security/2016/dsa-3488"
          },
          {
            "name": "https://git.libssh.org/projects/libssh.git/commit/?h=libssh-0.6.5\u0026id=94f6955fbaee6fda9385a23e505497efe21f5b4f",
            "refsource": "CONFIRM",
            "url": "https://git.libssh.org/projects/libssh.git/commit/?h=libssh-0.6.5\u0026id=94f6955fbaee6fda9385a23e505497efe21f5b4f"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "0.6.4",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2015-3146"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "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."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "NVD-CWE-Other"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "FEDORA-2015-7590",
              "refsource": "FEDORA",
              "tags": [],
              "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158013.html"
            },
            {
              "name": "https://www.libssh.org/security/advisories/CVE-2015-3146.txt",
              "refsource": "CONFIRM",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://www.libssh.org/security/advisories/CVE-2015-3146.txt"
            },
            {
              "name": "https://www.libssh.org/2015/04/30/libssh-0-6-5-security-and-bugfix-release/",
              "refsource": "CONFIRM",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://www.libssh.org/2015/04/30/libssh-0-6-5-security-and-bugfix-release/"
            },
            {
              "name": "USN-2912-1",
              "refsource": "UBUNTU",
              "tags": [],
              "url": "http://www.ubuntu.com/usn/USN-2912-1"
            },
            {
              "name": "https://git.libssh.org/projects/libssh.git/commit/?h=libssh-0.6.5\u0026id=94f6955fbaee6fda9385a23e505497efe21f5b4f",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://git.libssh.org/projects/libssh.git/commit/?h=libssh-0.6.5\u0026id=94f6955fbaee6fda9385a23e505497efe21f5b4f"
            },
            {
              "name": "FEDORA-2015-10962",
              "refsource": "FEDORA",
              "tags": [],
              "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161802.html"
            },
            {
              "name": "DSA-3488",
              "refsource": "DEBIAN",
              "tags": [],
              "url": "http://www.debian.org/security/2016/dsa-3488"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "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"
        },
        "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:3.0/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
        }
      },
      "lastModifiedDate": "2016-04-20T15:07Z",
      "publishedDate": "2016-04-13T17:59Z"
    }
  }
}


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