usn-4521-1
Vulnerability from osv_ubuntu
Published
2020-09-21 14:33
Modified
2026-04-27 14:11
Summary
libpam-tacplus vulnerability
Details

It was discovered that pam_tacplus did not properly manage shared secrets if DEBUG loglevel and journald are used. A remote attacker could use this issue to expose sensitive information.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-13881",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libpam-tacplus",
            "binary_version": "1.3.8-2+deb8u1build0.16.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "libpam-tacplus",
        "purl": "pkg:deb/ubuntu/libpam-tacplus@1.3.8-2+deb8u1build0.16.04.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.3.8-2+deb8u1build0.16.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.8-2"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-13881",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libpam-tacplus",
            "binary_version": "1.3.8-2+deb8u1build0.18.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "libpam-tacplus",
        "purl": "pkg:deb/ubuntu/libpam-tacplus@1.3.8-2+deb8u1build0.18.04.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.3.8-2+deb8u1build0.18.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.8-2"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-13881",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libpam-tacplus",
            "binary_version": "1.3.8-2+deb8u1build0.20.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "libpam-tacplus",
        "purl": "pkg:deb/ubuntu/libpam-tacplus@1.3.8-2+deb8u1build0.20.04.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.3.8-2+deb8u1build0.20.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.8-2"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that pam_tacplus did not properly manage shared secrets\nif DEBUG loglevel and journald are used. A remote attacker could use this\nissue to expose sensitive information.\n\n",
  "id": "USN-4521-1",
  "modified": "2026-04-27T14:11:25Z",
  "published": "2020-09-21T14:33:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4521-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-13881"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "libpam-tacplus vulnerability",
  "upstream": [
    "UBUNTU-CVE-2020-13881"
  ]
}



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