ubuntu-cve-2019-12098
Vulnerability from osv_ubuntu
Published
2019-05-15 23:29
Modified
2026-04-27 08:07
Summary
Details

In the client side of Heimdal before 7.6.0, failure to verify anonymous PKINIT PA-PKINIT-KX key exchange permits a man-in-the-middle attack. This issue is in krb5_init_creds_step in lib/krb5/init_creds_pw.c.


{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "heimdal-clients",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "heimdal-clients-x",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "heimdal-docs",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "heimdal-kcm",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "heimdal-kdc",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "heimdal-multidev",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "heimdal-servers",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "heimdal-servers-x",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "libasn1-8-heimdal",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "libgssapi3-heimdal",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "libhcrypto4-heimdal",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "libhdb9-heimdal",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "libheimbase1-heimdal",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "libheimntlm0-heimdal",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "libhx509-5-heimdal",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "libkadm5clnt7-heimdal",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "libkadm5srv8-heimdal",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "libkafs0-heimdal",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "libkdc2-heimdal",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "libkrb5-26-heimdal",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "libotp0-heimdal",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "libroken18-heimdal",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "libsl0-heimdal",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          },
          {
            "binary_name": "libwind0-heimdal",
            "binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "heimdal",
        "purl": "pkg:deb/ubuntu/heimdal@1.6~git20131207+dfsg-1ubuntu1.2+esm1?arch=source\u0026distro=trusty/esm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.6~git20120403+dfsg1-3ubuntu0.1",
        "1.6~git20120403+dfsg1-3ubuntu0.2",
        "1.6~git20131207+dfsg-1ubuntu1",
        "1.6~git20131207+dfsg-1ubuntu1.1",
        "1.6~git20131207+dfsg-1ubuntu1.2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "heimdal-clients",
            "binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
          },
          {
            "binary_name": "heimdal-docs",
            "binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
          },
          {
            "binary_name": "heimdal-kcm",
            "binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
          },
          {
            "binary_name": "heimdal-kdc",
            "binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
          },
          {
            "binary_name": "heimdal-multidev",
            "binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
          },
          {
            "binary_name": "heimdal-servers",
            "binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
          },
          {
            "binary_name": "libasn1-8-heimdal",
            "binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
          },
          {
            "binary_name": "libgssapi3-heimdal",
            "binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
          },
          {
            "binary_name": "libhcrypto4-heimdal",
            "binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
          },
          {
            "binary_name": "libhdb9-heimdal",
            "binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
          },
          {
            "binary_name": "libheimbase1-heimdal",
            "binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
          },
          {
            "binary_name": "libheimntlm0-heimdal",
            "binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
          },
          {
            "binary_name": "libhx509-5-heimdal",
            "binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
          },
          {
            "binary_name": "libkadm5clnt7-heimdal",
            "binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
          },
          {
            "binary_name": "libkadm5srv8-heimdal",
            "binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
          },
          {
            "binary_name": "libkafs0-heimdal",
            "binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
          },
          {
            "binary_name": "libkdc2-heimdal",
            "binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
          },
          {
            "binary_name": "libkrb5-26-heimdal",
            "binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
          },
          {
            "binary_name": "libotp0-heimdal",
            "binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
          },
          {
            "binary_name": "libroken18-heimdal",
            "binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
          },
          {
            "binary_name": "libsl0-heimdal",
            "binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
          },
          {
            "binary_name": "libwind0-heimdal",
            "binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "heimdal",
        "purl": "pkg:deb/ubuntu/heimdal@1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.6~rc2+dfsg-10ubuntu1",
        "1.7~git20150920+dfsg-4ubuntu1",
        "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "heimdal-clients",
            "binary_version": "7.5.0+dfsg-1ubuntu0.1"
          },
          {
            "binary_name": "heimdal-docs",
            "binary_version": "7.5.0+dfsg-1ubuntu0.1"
          },
          {
            "binary_name": "heimdal-kcm",
            "binary_version": "7.5.0+dfsg-1ubuntu0.1"
          },
          {
            "binary_name": "heimdal-kdc",
            "binary_version": "7.5.0+dfsg-1ubuntu0.1"
          },
          {
            "binary_name": "heimdal-multidev",
            "binary_version": "7.5.0+dfsg-1ubuntu0.1"
          },
          {
            "binary_name": "heimdal-servers",
            "binary_version": "7.5.0+dfsg-1ubuntu0.1"
          },
          {
            "binary_name": "libasn1-8-heimdal",
            "binary_version": "7.5.0+dfsg-1ubuntu0.1"
          },
          {
            "binary_name": "libgssapi3-heimdal",
            "binary_version": "7.5.0+dfsg-1ubuntu0.1"
          },
          {
            "binary_name": "libhcrypto4-heimdal",
            "binary_version": "7.5.0+dfsg-1ubuntu0.1"
          },
          {
            "binary_name": "libhdb9-heimdal",
            "binary_version": "7.5.0+dfsg-1ubuntu0.1"
          },
          {
            "binary_name": "libheimbase1-heimdal",
            "binary_version": "7.5.0+dfsg-1ubuntu0.1"
          },
          {
            "binary_name": "libheimntlm0-heimdal",
            "binary_version": "7.5.0+dfsg-1ubuntu0.1"
          },
          {
            "binary_name": "libhx509-5-heimdal",
            "binary_version": "7.5.0+dfsg-1ubuntu0.1"
          },
          {
            "binary_name": "libkadm5clnt7-heimdal",
            "binary_version": "7.5.0+dfsg-1ubuntu0.1"
          },
          {
            "binary_name": "libkadm5srv8-heimdal",
            "binary_version": "7.5.0+dfsg-1ubuntu0.1"
          },
          {
            "binary_name": "libkafs0-heimdal",
            "binary_version": "7.5.0+dfsg-1ubuntu0.1"
          },
          {
            "binary_name": "libkdc2-heimdal",
            "binary_version": "7.5.0+dfsg-1ubuntu0.1"
          },
          {
            "binary_name": "libkrb5-26-heimdal",
            "binary_version": "7.5.0+dfsg-1ubuntu0.1"
          },
          {
            "binary_name": "libotp0-heimdal",
            "binary_version": "7.5.0+dfsg-1ubuntu0.1"
          },
          {
            "binary_name": "libroken18-heimdal",
            "binary_version": "7.5.0+dfsg-1ubuntu0.1"
          },
          {
            "binary_name": "libsl0-heimdal",
            "binary_version": "7.5.0+dfsg-1ubuntu0.1"
          },
          {
            "binary_name": "libwind0-heimdal",
            "binary_version": "7.5.0+dfsg-1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "heimdal",
        "purl": "pkg:deb/ubuntu/heimdal@7.5.0+dfsg-1ubuntu0.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.5.0+dfsg-1ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "7.4.0.dfsg.1-2",
        "7.5.0+dfsg-1"
      ]
    }
  ],
  "aliases": [],
  "details": "In the client side of Heimdal before 7.6.0, failure to verify anonymous PKINIT PA-PKINIT-KX key exchange permits a man-in-the-middle attack. This issue is in krb5_init_creds_step in lib/krb5/init_creds_pw.c.",
  "id": "UBUNTU-CVE-2019-12098",
  "modified": "2026-04-27T08:07:52Z",
  "published": "2019-05-15T23:29:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-12098"
    },
    {
      "type": "REPORT",
      "url": "http://www.h5l.org/pipermail/heimdal-announce/2019-May/000009.html"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/heimdal/heimdal/compare/3e58559...bbafe72"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/heimdal/heimdal/releases/tag/heimdal-7.6.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5675-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2019-12098"
    }
  ],
  "related": [
    "USN-5675-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2019-12098"
  ]
}



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