libtomcrypt — security advisory

{
  "id": "bb2dbb4269d59583aad0275863d45c456f50dfe5bb78ae942de9de0aca9fb119",
  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2016-6129",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-CVE-2016-6129",
    "summary": "The rsa_verify_hash_ex function in rsa_verify_hash.c in LibTomCrypt, as used in OP-TEE before 2.2.0, does not validate that the message length is equal to the ASN.1 encoded data length, which makes it easier for remote attackers to forge RSA signatures or public certificates by leveraging a Bleichenbacher signature forgery attack.",
    "evidence": "osv:UBUNTU-CVE-2016-6129",
    "products": [
      {
        "name": {
          "value": "libtomcrypt",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.17-5ubuntu0.1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": [
          {
            "value": "1.17-3.2ubuntu1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.17-5",
            "evidence": "/affected/0/versions"
          }
        ]
      },
      {
        "name": {
          "value": "libtomcrypt",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.17-7ubuntu0.1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": [
          {
            "value": "1.17-7",
            "evidence": "/affected/1/versions"
          }
        ]
      }
    ],
    "severity": "high",
    "structured": {
      "id": "UBUNTU-CVE-2016-6129",
      "aliases": [
        "UBUNTU-CVE-2016-6129"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
        },
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
        },
        {
          "type": "Ubuntu",
          "score": "medium"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.17-5ubuntu0.1"
                }
              ]
            }
          ],
          "package": {
            "name": "libtomcrypt",
            "purl": "pkg:deb/ubuntu/libtomcrypt?arch=source&distro=trusty",
            "ecosystem": "Ubuntu:14.04:LTS"
          },
          "versions": [
            "1.17-3.2ubuntu1",
            "1.17-5"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-6129.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "libtomcrypt0",
                "binary_version": "1.17-5ubuntu0.1"
              }
            ],
            "availability": "No subscription required"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.17-7ubuntu0.1"
                }
              ]
            }
          ],
          "package": {
            "name": "libtomcrypt",
            "purl": "pkg:deb/ubuntu/libtomcrypt?arch=source&distro=xenial",
            "ecosystem": "Ubuntu:16.04:LTS"
          },
          "versions": [
            "1.17-7"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-6129.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "libtomcrypt0",
                "binary_version": "1.17-7ubuntu0.1"
              }
            ],
            "availability": "No subscription required"
          }
        }
      ],
      "modified": "2026-10-27T04:15:26.043145275Z",
      "provider": "osv",
      "upstream": [
        "CVE-2016-6129"
      ],
      "references": [
        "https://ubuntu.com/security/CVE-2016-6129",
        "https://github.com/OP-TEE/optee_os/commit/30d13250c390c4f56adefdcd3b64b7cc672f9fe2",
        "https://github.com/libtom/libtomcrypt/commit/5eb9743410ce4657e9d54fef26a2ee31a1b5dd09",
        "https://www.cve.org/CVERecord?id=CVE-2016-6129"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2016-6129",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 460168,
  "published_at": "2017-02-13T18:59:00+00:00"
}