USN-5800-1 (UBUNTU-CVE-2021-44758)

Vulnerability from osv_ubuntu – Published: 2023-01-12 17:12 – Updated: 2026-06-29 10:52 – Source website
VLAI
Summary
heimdal vulnerabilities
Details

It was discovered that Heimdal incorrectly handled certain SPNEGO tokens. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2021-44758)

Evgeny Legerov discovered that Heimdal incorrectly handled memory when performing certain DES decryption operations. A remote attacker could use this issue to cause a denial of service, or possibly execute arbitrary code. (CVE-2022-3437)

Greg Hudson discovered that Kerberos PAC implementation used in Heimdal incorrectly handled certain parsing operations. A remote attacker could use this issue to cause a denial of service, or possibly execute arbitrary code. (CVE-2022-42898)

It was discovered that Heimdal's KDC did not properly handle certain error conditions. A remote attacker could use this issue to cause a denial of service, or possibly execute arbitrary code. (CVE-2022-44640)

References
To clipboard 

{
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                {
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                },
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                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-42898",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-44640",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "heimdal-clients",
            "binary_version": "7.7.0+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "heimdal-docs",
            "binary_version": "7.7.0+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "heimdal-kcm",
            "binary_version": "7.7.0+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "heimdal-kdc",
            "binary_version": "7.7.0+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "heimdal-multidev",
            "binary_version": "7.7.0+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "heimdal-servers",
            "binary_version": "7.7.0+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "libasn1-8-heimdal",
            "binary_version": "7.7.0+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "libgssapi3-heimdal",
            "binary_version": "7.7.0+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "libhcrypto4-heimdal",
            "binary_version": "7.7.0+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "libhdb9-heimdal",
            "binary_version": "7.7.0+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "libheimbase1-heimdal",
            "binary_version": "7.7.0+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "libheimntlm0-heimdal",
            "binary_version": "7.7.0+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "libhx509-5-heimdal",
            "binary_version": "7.7.0+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "libkadm5clnt7-heimdal",
            "binary_version": "7.7.0+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "libkadm5srv8-heimdal",
            "binary_version": "7.7.0+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "libkafs0-heimdal",
            "binary_version": "7.7.0+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "libkdc2-heimdal",
            "binary_version": "7.7.0+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "libkrb5-26-heimdal",
            "binary_version": "7.7.0+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "libotp0-heimdal",
            "binary_version": "7.7.0+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "libroken18-heimdal",
            "binary_version": "7.7.0+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "libsl0-heimdal",
            "binary_version": "7.7.0+dfsg-1ubuntu1.3"
          },
          {
            "binary_name": "libwind0-heimdal",
            "binary_version": "7.7.0+dfsg-1ubuntu1.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "heimdal",
        "purl": "pkg:deb/ubuntu/heimdal@7.7.0+dfsg-1ubuntu1.3?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.7.0+dfsg-1ubuntu1.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "7.5.0+dfsg-3build1",
        "7.7.0+dfsg-1",
        "7.7.0+dfsg-1ubuntu1",
        "7.7.0+dfsg-1ubuntu1.1",
        "7.7.0+dfsg-1ubuntu1.2"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that Heimdal incorrectly handled certain SPNEGO tokens. A\nremote attacker could possibly use this issue to cause a denial of service.\n(CVE-2021-44758)\n\nEvgeny Legerov discovered that Heimdal incorrectly handled memory when\nperforming certain DES decryption operations. A remote attacker could use\nthis issue to cause a denial of service, or possibly execute arbitrary\ncode. (CVE-2022-3437)\n\nGreg Hudson discovered that Kerberos PAC implementation used in Heimdal\nincorrectly handled certain parsing operations. A remote attacker could use\nthis issue to cause a denial of service, or possibly execute arbitrary\ncode. (CVE-2022-42898)\n\nIt was discovered that Heimdal\u0027s KDC did not properly handle certain error\nconditions. A remote attacker could use this issue to cause a denial of\nservice, or possibly execute arbitrary code. (CVE-2022-44640)\n",
  "id": "USN-5800-1",
  "modified": "2026-06-29T10:52:59Z",
  "published": "2023-01-12T17:12:53Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5800-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-44758"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-3437"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-42898"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-44640"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "heimdal vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2021-44758",
    "UBUNTU-CVE-2022-3437",
    "UBUNTU-CVE-2022-42898",
    "UBUNTU-CVE-2022-44640"
  ]
}



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