ubuntu-cve-2020-8945
Vulnerability from osv_ubuntu
Published
2020-02-12 18:15
Modified
2026-05-20 14:52
Summary
Details

The proglottis Go wrapper before 0.1.1 for the GPGME library has a use-after-free, as demonstrated by use for container image pulls by Docker or CRI-O. This leads to a crash or potential code execution during GPG signature verification.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "singularity-container",
            "binary_version": "2.4.2-4ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "singularity-container",
        "purl": "pkg:deb/ubuntu/singularity-container@2.4.2-4ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.3.1-2",
        "2.3.2-1",
        "2.4.1-1",
        "2.4.2-2",
        "2.4.2-3",
        "2.4.2-4",
        "2.4.2-4ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-proglottis-gpgme-dev",
            "binary_version": "0.1.0-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "golang-github-proglottis-gpgme",
        "purl": "pkg:deb/ubuntu/golang-github-proglottis-gpgme@0.1.0-1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0~git20181127.3b0be09-2",
        "0.0~git20190226.8e0937a-1",
        "0.1.0-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-sylabs-singularity-dev",
            "binary_version": "4.1.1+ds2-1ubuntu0.3+esm2"
          },
          {
            "binary_name": "singularity-container",
            "binary_version": "4.1.1+ds2-1ubuntu0.3+esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:24.04:LTS",
        "name": "singularity-container",
        "purl": "pkg:deb/ubuntu/singularity-container@4.1.1+ds2-1ubuntu0.3+esm2?arch=source\u0026distro=esm-apps/noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.1.1+ds2-1",
        "4.1.1+ds2-1build1",
        "4.1.1+ds2-1ubuntu0.1",
        "4.1.1+ds2-1ubuntu0.2",
        "4.1.1+ds2-1ubuntu0.2+esm1",
        "4.1.1+ds2-1ubuntu0.3",
        "4.1.1+ds2-1ubuntu0.3+esm1",
        "4.1.1+ds2-1ubuntu0.3+esm2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-sylabs-singularity-dev",
            "binary_version": "4.1.5+ds4-1"
          },
          {
            "binary_name": "singularity-container",
            "binary_version": "4.1.5+ds4-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "singularity-container",
        "purl": "pkg:deb/ubuntu/singularity-container@4.1.5+ds4-1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.1.5+ds4-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-sylabs-singularity-dev",
            "binary_version": "4.1.5+ds4-1"
          },
          {
            "binary_name": "singularity-container",
            "binary_version": "4.1.5+ds4-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "singularity-container",
        "purl": "pkg:deb/ubuntu/singularity-container@4.1.5+ds4-1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.1.5+ds4-1"
      ]
    }
  ],
  "aliases": [],
  "details": "The proglottis Go wrapper before 0.1.1 for the GPGME library has a use-after-free, as demonstrated by use for container image pulls by Docker or CRI-O. This leads to a crash or potential code execution during GPG signature verification.",
  "id": "UBUNTU-CVE-2020-8945",
  "modified": "2026-05-20T14:52:00Z",
  "published": "2020-02-12T18:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-8945"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/proglottis/gpgme/pull/23"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1795838"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/containers/image/commit/4c7a23f82ef09127b0ff28366d1cf31316dd6cc1"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/proglottis/gpgme/compare/v0.1.0...v0.1.1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-8945"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-8945"
  ]
}



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