usn-3399-1
Vulnerability from osv_ubuntu
Published
2017-08-21 14:19
Modified
2026-02-10 04:41
Summary
cvs vulnerability
Details

Hank Leininger discovered that cvs did not properly handle SSH for remote repositories. A remote attacker could use this to construct a cvs repository that when accessed could run arbitrary code with the privileges of the user.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2017-12836",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:14.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "cvs",
            "binary_version": "2:1.12.13+real-12ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "cvs",
        "purl": "pkg:deb/ubuntu/cvs@2:1.12.13+real-12ubuntu0.1?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:1.12.13+real-12ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:1.12.13+real-11",
        "2:1.12.13+real-12"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2017-12836",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "cvs",
            "binary_version": "2:1.12.13+real-15ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "cvs",
        "purl": "pkg:deb/ubuntu/cvs@2:1.12.13+real-15ubuntu0.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:1.12.13+real-15ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:1.12.13+real-15"
      ]
    }
  ],
  "aliases": [],
  "details": "Hank Leininger discovered that cvs did not properly handle SSH\nfor remote repositories. A remote attacker could use this to\nconstruct a cvs repository that when accessed could run arbitrary\ncode with the privileges of the user.\n",
  "id": "USN-3399-1",
  "modified": "2026-02-10T04:41:11Z",
  "published": "2017-08-21T14:19:45Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3399-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-12836"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "cvs vulnerability",
  "upstream": [
    "UBUNTU-CVE-2017-12836"
  ]
}



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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

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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.


Detection rules are retrieved from Rulezet.