ubuntu-cve-2020-27350
Vulnerability from osv_ubuntu
Published
2020-12-09 00:00
Modified
2026-04-22 07:39
Summary
Details

APT had several integer overflows and underflows while parsing .deb packages, aka GHSL-2020-168 GHSL-2020-169, in files apt-pkg/contrib/extracttar.cc, apt-pkg/deb/debfile.cc, and apt-pkg/contrib/arfile.cc. This issue affects: apt 1.2.32ubuntu0 versions prior to 1.2.32ubuntu0.2; 1.6.12ubuntu0 versions prior to 1.6.12ubuntu0.2; 2.0.2ubuntu0 versions prior to 2.0.2ubuntu0.2; 2.1.10ubuntu0 versions prior to 2.1.10ubuntu0.1;

Severity
5.7 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
5.7 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "apt",
            "binary_version": "1.0.1ubuntu2.24+esm3"
          },
          {
            "binary_name": "apt-transport-https",
            "binary_version": "1.0.1ubuntu2.24+esm3"
          },
          {
            "binary_name": "apt-utils",
            "binary_version": "1.0.1ubuntu2.24+esm3"
          },
          {
            "binary_name": "libapt-inst1.5",
            "binary_version": "1.0.1ubuntu2.24+esm3"
          },
          {
            "binary_name": "libapt-pkg4.12",
            "binary_version": "1.0.1ubuntu2.24+esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "apt",
        "purl": "pkg:deb/ubuntu/apt@1.0.1ubuntu2.24+esm3?arch=source\u0026distro=trusty/esm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.1ubuntu2.24+esm3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.9.9.1~ubuntu3",
        "0.9.9.1~ubuntu4",
        "0.9.9.1~ubuntu5",
        "0.9.13~exp1ubuntu1",
        "0.9.13~exp1ubuntu2",
        "0.9.13~exp1ubuntu3",
        "0.9.13.1~ubuntu1",
        "0.9.14.1ubuntu1",
        "0.9.14.1ubuntu2",
        "0.9.15.1ubuntu1",
        "0.9.15.4ubuntu1",
        "0.9.15.4ubuntu2",
        "0.9.15.4ubuntu3",
        "0.9.15.4ubuntu4",
        "0.9.15.4ubuntu5",
        "1.0.1ubuntu2",
        "1.0.1ubuntu2.1",
        "1.0.1ubuntu2.3",
        "1.0.1ubuntu2.4.1",
        "1.0.1ubuntu2.5",
        "1.0.1ubuntu2.6",
        "1.0.1ubuntu2.7",
        "1.0.1ubuntu2.8",
        "1.0.1ubuntu2.9",
        "1.0.1ubuntu2.10",
        "1.0.1ubuntu2.11",
        "1.0.1ubuntu2.12",
        "1.0.1ubuntu2.13",
        "1.0.1ubuntu2.14",
        "1.0.1ubuntu2.15",
        "1.0.1ubuntu2.17",
        "1.0.1ubuntu2.18",
        "1.0.1ubuntu2.19",
        "1.0.1ubuntu2.20",
        "1.0.1ubuntu2.22",
        "1.0.1ubuntu2.23",
        "1.0.1ubuntu2.24",
        "1.0.1ubuntu2.24+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "apt",
            "binary_version": "1.2.32ubuntu0.2"
          },
          {
            "binary_name": "apt-transport-https",
            "binary_version": "1.2.32ubuntu0.2"
          },
          {
            "binary_name": "apt-utils",
            "binary_version": "1.2.32ubuntu0.2"
          },
          {
            "binary_name": "libapt-inst2.0",
            "binary_version": "1.2.32ubuntu0.2"
          },
          {
            "binary_name": "libapt-pkg5.0",
            "binary_version": "1.2.32ubuntu0.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "apt",
        "purl": "pkg:deb/ubuntu/apt@1.2.32ubuntu0.2?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.2.32ubuntu0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.10.2ubuntu1",
        "1.1.4",
        "1.1.5",
        "1.1.10",
        "1.2.3",
        "1.2.4",
        "1.2.6",
        "1.2.7",
        "1.2.8",
        "1.2.9",
        "1.2.10",
        "1.2.10ubuntu1",
        "1.2.12~ubuntu16.04.1",
        "1.2.15",
        "1.2.15ubuntu0.2",
        "1.2.18",
        "1.2.19",
        "1.2.20",
        "1.2.24",
        "1.2.25",
        "1.2.26",
        "1.2.27",
        "1.2.29",
        "1.2.29ubuntu0.1",
        "1.2.31",
        "1.2.32",
        "1.2.32ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "apt",
            "binary_version": "1.6.12ubuntu0.2"
          },
          {
            "binary_name": "apt-transport-https",
            "binary_version": "1.6.12ubuntu0.2"
          },
          {
            "binary_name": "apt-utils",
            "binary_version": "1.6.12ubuntu0.2"
          },
          {
            "binary_name": "libapt-inst2.0",
            "binary_version": "1.6.12ubuntu0.2"
          },
          {
            "binary_name": "libapt-pkg5.0",
            "binary_version": "1.6.12ubuntu0.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "apt",
        "purl": "pkg:deb/ubuntu/apt@1.6.12ubuntu0.2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.6.12ubuntu0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.5",
        "1.5.1",
        "1.6~alpha5",
        "1.6~alpha7ubuntu1",
        "1.6~alpha7ubuntu2",
        "1.6~beta1",
        "1.6~rc1",
        "1.6",
        "1.6.1",
        "1.6.2",
        "1.6.3",
        "1.6.3ubuntu0.1",
        "1.6.6",
        "1.6.6ubuntu0.1",
        "1.6.8",
        "1.6.10",
        "1.6.11",
        "1.6.12",
        "1.6.12ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "apt",
            "binary_version": "2.0.2ubuntu0.2"
          },
          {
            "binary_name": "apt-transport-https",
            "binary_version": "2.0.2ubuntu0.2"
          },
          {
            "binary_name": "apt-utils",
            "binary_version": "2.0.2ubuntu0.2"
          },
          {
            "binary_name": "libapt-pkg6.0",
            "binary_version": "2.0.2ubuntu0.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "apt",
        "purl": "pkg:deb/ubuntu/apt@2.0.2ubuntu0.2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.0.2ubuntu0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.9.4",
        "1.9.5",
        "1.9.7",
        "1.9.8",
        "1.9.9",
        "1.9.10",
        "2.0.0",
        "2.0.1",
        "2.0.1ubuntu1",
        "2.0.2",
        "2.0.2ubuntu0.1"
      ]
    }
  ],
  "aliases": [],
  "details": "APT had several integer overflows and underflows while parsing .deb packages, aka GHSL-2020-168 GHSL-2020-169, in files apt-pkg/contrib/extracttar.cc, apt-pkg/deb/debfile.cc, and apt-pkg/contrib/arfile.cc. This issue affects: apt 1.2.32ubuntu0 versions prior to 1.2.32ubuntu0.2; 1.6.12ubuntu0 versions prior to 1.6.12ubuntu0.2; 2.0.2ubuntu0 versions prior to 2.0.2ubuntu0.2; 2.1.10ubuntu0 versions prior to 2.1.10ubuntu0.1;",
  "id": "UBUNTU-CVE-2020-27350",
  "modified": "2026-04-22T07:39:36Z",
  "published": "2020-12-09T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-27350"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4667-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4667-2"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-27350"
    }
  ],
  "related": [
    "USN-4667-1",
    "USN-4667-2"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-27350"
  ]
}



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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.
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  • 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.