ubuntu-cve-2022-43705
Vulnerability from osv_ubuntu
Published
2022-11-27 04:15
Modified
2026-04-22 07:41
Summary
Details

In Botan before 2.19.3, it is possible to forge OCSP responses due to a certificate verification error. This issue was introduced in Botan 1.11.34 (November 2016).

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

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "botan",
            "binary_version": "2.4.0-5ubuntu1"
          },
          {
            "binary_name": "libbotan-2-4",
            "binary_version": "2.4.0-5ubuntu1"
          },
          {
            "binary_name": "python3-botan",
            "binary_version": "2.4.0-5ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "botan",
        "purl": "pkg:deb/ubuntu/botan@2.4.0-5ubuntu1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.0-3",
        "2.4.0-4",
        "2.4.0-5ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "botan",
            "binary_version": "2.12.1-2build1"
          },
          {
            "binary_name": "libbotan-2-12",
            "binary_version": "2.12.1-2build1"
          },
          {
            "binary_name": "python3-botan",
            "binary_version": "2.12.1-2build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "botan",
        "purl": "pkg:deb/ubuntu/botan@2.12.1-2build1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.9.0-2",
        "2.9.0-2build1",
        "2.12.1-2",
        "2.12.1-2build1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "botan",
            "binary_version": "2.19.1+dfsg-2ubuntu1+esm1"
          },
          {
            "binary_name": "libbotan-2-19",
            "binary_version": "2.19.1+dfsg-2ubuntu1+esm1"
          },
          {
            "binary_name": "python3-botan",
            "binary_version": "2.19.1+dfsg-2ubuntu1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:22.04:LTS",
        "name": "botan",
        "purl": "pkg:deb/ubuntu/botan@2.19.1+dfsg-2ubuntu1+esm1?arch=source\u0026distro=esm-apps/jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.17.3+dfsg-3",
        "2.19.1+dfsg-2ubuntu1",
        "2.19.1+dfsg-2ubuntu1+esm1"
      ]
    }
  ],
  "aliases": [],
  "details": "In Botan before 2.19.3, it is possible to forge OCSP responses due to a certificate verification error. This issue was introduced in Botan 1.11.34 (November 2016).",
  "id": "UBUNTU-CVE-2022-43705",
  "modified": "2026-04-22T07:41:43Z",
  "published": "2022-11-27T04:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-43705"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/randombit/botan/security/advisories/GHSA-4v9w-qvcq-6q7w"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/randombit/botan/commit/fd83d9e262f63fb673e4c13ca37e5b768e41e812"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/randombit/botan/commit/4e35073ff356e37c3adcf1ff3522e9d0d48c765f"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/randombit/botan/commit/c2faa88b0281e5017be72e1c85d0c41f686e1928"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/randombit/botan/commit/5d8d9fbf75c8b814ea609161bee525d520f5cb57"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/randombit/botan/commit/1829ef9d89614da1eacdf511356bdf98a970f5f5"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/randombit/botan/commit/991b0159282781f2d5c06ff42a9ff00ee563e96b"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/randombit/botan/commit/a33689613127f319c0047fb96f092de16e7cb350"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/randombit/botan/commit/909c62717855402e04dbaf8ffc085f444d547aae"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-43705"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2022-43705"
  ]
}



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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.
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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.