USN-5423-1 (UBUNTU-CVE-2022-20770)

Vulnerability from osv_ubuntu – Published: 2022-05-17 11:35 – Updated: 2026-04-22 07:37 – Source website
VLAI
Summary
clamav vulnerabilities
Details

Michał Dardas discovered that ClamAV incorrectly handled parsing CHM files. A remote attacker could possibly use this issue to cause ClamAV to stop responding, resulting in a denial of service. (CVE-2022-20770)

Michał Dardas discovered that ClamAV incorrectly handled parsing TIFF files. A remote attacker could possibly use this issue to cause ClamAV to stop responding, resulting in a denial of service. (CVE-2022-20771)

Michał Dardas discovered that ClamAV incorrectly handled parsing HTML files. A remote attacker could possibly use this issue to cause ClamAV to consume resources, resulting in a denial of service. (CVE-2022-20785)

Michał Dardas discovered that ClamAV incorrectly handled loading the signature database. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2022-20792)

Alexander Patrakov and Antoine Gatineau discovered that ClamAV incorrectly handled the scan verdict cache check. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service, or possibly execute arbitrary code.(CVE-2022-20796)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2022-20770",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-20771",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-20785",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-20792",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-20796",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "clamav",
            "binary_version": "0.103.6+dfsg-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "clamav-base",
            "binary_version": "0.103.6+dfsg-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "clamav-daemon",
            "binary_version": "0.103.6+dfsg-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "clamav-docs",
            "binary_version": "0.103.6+dfsg-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "clamav-freshclam",
            "binary_version": "0.103.6+dfsg-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "clamav-milter",
            "binary_version": "0.103.6+dfsg-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "clamav-testfiles",
            "binary_version": "0.103.6+dfsg-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "clamdscan",
            "binary_version": "0.103.6+dfsg-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "libclamav9",
            "binary_version": "0.103.6+dfsg-0ubuntu0.18.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "clamav",
        "purl": "pkg:deb/ubuntu/clamav@0.103.6+dfsg-0ubuntu0.18.04.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.103.6+dfsg-0ubuntu0.18.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.99.2+dfsg-6ubuntu2",
        "0.99.3~beta1+dfsg-2ubuntu1",
        "0.99.3~beta1+dfsg-2ubuntu2",
        "0.99.3+addedllvm-0ubuntu1",
        "0.99.3+addedllvm-0ubuntu2",
        "0.99.4+addedllvm-0ubuntu1",
        "0.100.1+dfsg-1ubuntu0.18.04.1",
        "0.100.1+dfsg-1ubuntu0.18.04.2",
        "0.100.1+dfsg-1ubuntu0.18.04.3",
        "0.100.2+dfsg-1ubuntu0.18.04.1",
        "0.100.3+dfsg-0ubuntu0.18.04.1",
        "0.101.4+dfsg-0ubuntu0.18.04.1",
        "0.102.1+dfsg-0ubuntu0.18.04.2",
        "0.102.2+dfsg-0ubuntu0.18.04.1",
        "0.102.3+dfsg-0ubuntu0.18.04.1",
        "0.102.4+dfsg-0ubuntu0.18.04.1",
        "0.103.2+dfsg-0ubuntu0.18.04.1",
        "0.103.2+dfsg-0ubuntu0.18.04.2",
        "0.103.2+dfsg-0ubuntu0.18.04.3",
        "0.103.5+dfsg-0ubuntu0.18.04.1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2022-20770",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-20771",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-20785",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-20792",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-20796",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "clamav",
            "binary_version": "0.103.6+dfsg-0ubuntu0.20.04.1"
          },
          {
            "binary_name": "clamav-base",
            "binary_version": "0.103.6+dfsg-0ubuntu0.20.04.1"
          },
          {
            "binary_name": "clamav-daemon",
            "binary_version": "0.103.6+dfsg-0ubuntu0.20.04.1"
          },
          {
            "binary_name": "clamav-docs",
            "binary_version": "0.103.6+dfsg-0ubuntu0.20.04.1"
          },
          {
            "binary_name": "clamav-freshclam",
            "binary_version": "0.103.6+dfsg-0ubuntu0.20.04.1"
          },
          {
            "binary_name": "clamav-milter",
            "binary_version": "0.103.6+dfsg-0ubuntu0.20.04.1"
          },
          {
            "binary_name": "clamav-testfiles",
            "binary_version": "0.103.6+dfsg-0ubuntu0.20.04.1"
          },
          {
            "binary_name": "clamdscan",
            "binary_version": "0.103.6+dfsg-0ubuntu0.20.04.1"
          },
          {
            "binary_name": "libclamav9",
            "binary_version": "0.103.6+dfsg-0ubuntu0.20.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "clamav",
        "purl": "pkg:deb/ubuntu/clamav@0.103.6+dfsg-0ubuntu0.20.04.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.103.6+dfsg-0ubuntu0.20.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.101.4+dfsg-1ubuntu1",
        "0.102.1+dfsg-1ubuntu1",
        "0.102.1+dfsg-2ubuntu1",
        "0.102.1+dfsg-2ubuntu2",
        "0.102.2+dfsg-1ubuntu1",
        "0.102.2+dfsg-2ubuntu1",
        "0.102.3+dfsg-0ubuntu0.20.04.1",
        "0.102.4+dfsg-0ubuntu0.20.04.1",
        "0.103.2+dfsg-0ubuntu0.20.04.1",
        "0.103.2+dfsg-0ubuntu0.20.04.2",
        "0.103.5+dfsg-1~20.04.1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2022-20770",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-20771",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-20785",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-20792",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-20796",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "clamav",
            "binary_version": "0.103.6+dfsg-0ubuntu0.22.04.1"
          },
          {
            "binary_name": "clamav-base",
            "binary_version": "0.103.6+dfsg-0ubuntu0.22.04.1"
          },
          {
            "binary_name": "clamav-daemon",
            "binary_version": "0.103.6+dfsg-0ubuntu0.22.04.1"
          },
          {
            "binary_name": "clamav-docs",
            "binary_version": "0.103.6+dfsg-0ubuntu0.22.04.1"
          },
          {
            "binary_name": "clamav-freshclam",
            "binary_version": "0.103.6+dfsg-0ubuntu0.22.04.1"
          },
          {
            "binary_name": "clamav-milter",
            "binary_version": "0.103.6+dfsg-0ubuntu0.22.04.1"
          },
          {
            "binary_name": "clamav-testfiles",
            "binary_version": "0.103.6+dfsg-0ubuntu0.22.04.1"
          },
          {
            "binary_name": "clamdscan",
            "binary_version": "0.103.6+dfsg-0ubuntu0.22.04.1"
          },
          {
            "binary_name": "libclamav9",
            "binary_version": "0.103.6+dfsg-0ubuntu0.22.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "clamav",
        "purl": "pkg:deb/ubuntu/clamav@0.103.6+dfsg-0ubuntu0.22.04.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.103.6+dfsg-0ubuntu0.22.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.103.3+dfsg-1",
        "0.103.4+dfsg-1",
        "0.103.4+dfsg-1build1",
        "0.103.5+dfsg-1"
      ]
    }
  ],
  "aliases": [],
  "details": "Micha\u0142 Dardas discovered that ClamAV incorrectly handled parsing CHM files.\nA remote attacker could possibly use this issue to cause ClamAV to stop\nresponding, resulting in a denial of service.  (CVE-2022-20770)\n\nMicha\u0142 Dardas discovered that ClamAV incorrectly handled parsing TIFF\nfiles. A remote attacker could possibly use this issue to cause ClamAV to\nstop responding, resulting in a denial of service. (CVE-2022-20771)\n\nMicha\u0142 Dardas discovered that ClamAV incorrectly handled parsing HTML\nfiles. A remote attacker could possibly use this issue to cause ClamAV to\nconsume resources, resulting in a denial of service. (CVE-2022-20785)\n\nMicha\u0142 Dardas discovered that ClamAV incorrectly handled loading the\nsignature database. A remote attacker could possibly use this issue to\ncause ClamAV to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. (CVE-2022-20792)\n\nAlexander Patrakov and Antoine Gatineau discovered that ClamAV incorrectly\nhandled the scan verdict cache check. A remote attacker could possibly use\nthis issue to cause ClamAV to crash, resulting in a denial of service, or\npossibly execute arbitrary code.(CVE-2022-20796)\n",
  "id": "USN-5423-1",
  "modified": "2026-04-22T07:37:02Z",
  "published": "2022-05-17T11:35:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5423-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-20770"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-20771"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-20785"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-20792"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-20796"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "clamav vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2022-20770",
    "UBUNTU-CVE-2022-20771",
    "UBUNTU-CVE-2022-20785",
    "UBUNTU-CVE-2022-20792",
    "UBUNTU-CVE-2022-20796"
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

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

Author Source Type Date Other

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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

Loading timeline…




    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.