{"id":"USN-5675-1","summary":"heimdal vulnerabilities","details":"Isaac Boukris and Andrew Bartlett discovered that Heimdal's KDC was\nnot properly performing checksum algorithm verifications in the\nS4U2Self extension module. An attacker could possibly use this issue\nto perform a machine-in-the-middle attack and request S4U2Self\ntickets for any user known by the application. This issue only\naffected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and Ubuntu 18.04 LTS.\n(CVE-2018-16860)\n\nIt was discovered that Heimdal was not properly handling the\nverification of key exchanges when an anonymous PKINIT was being\nused. An attacker could possibly use this issue to perform a\nmachine-in-the-middle attack and expose sensitive information.\nThis issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and\nUbuntu 18.04 LTS. (CVE-2019-12098)\n\nJoseph Sutton discovered that Heimdal was not properly handling\nmemory management operations when dealing with TGS-REQ tickets that\nwere missing information. An attacker could possibly use this issue\nto cause a denial of service. (CVE-2021-3671)\n\nMichał Kępień discovered that Heimdal was not properly handling\nlogical conditions that related to memory management operations. An\nattacker could possibly use this issue to cause a denial of service.\n(CVE-2022-3116)\n","modified":"2026-05-20T16:06:04.699304828Z","published":"2022-10-13T18:39:02Z","related":["UBUNTU-CVE-2018-16860","UBUNTU-CVE-2019-12098","UBUNTU-CVE-2021-3671","UBUNTU-CVE-2022-3116"],"upstream":["CVE-2018-16860","CVE-2019-12098","CVE-2021-3671","CVE-2022-3116","UBUNTU-CVE-2018-16860","UBUNTU-CVE-2019-12098","UBUNTU-CVE-2021-3671","UBUNTU-CVE-2022-3116"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5675-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-16860"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-12098"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-3671"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-3116"}],"affected":[{"package":{"name":"heimdal","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/heimdal?arch=source&distro=trusty%2Fesm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6~git20131207+dfsg-1ubuntu1.2+esm1"}]}],"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":{"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"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5675-1.json","cves_map":{"cves":[{"id":"CVE-2018-16860","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2019-12098","severity":[{"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:3.1/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":"Ubuntu","score":"low"}]},{"id":"CVE-2021-3671","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]},{"id":"CVE-2022-3116","severity":[{"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":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:14.04:LTS"}}},{"package":{"name":"heimdal","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/heimdal?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"}]}],"versions":["1.6~rc2+dfsg-10ubuntu1","1.7~git20150920+dfsg-4ubuntu1","1.7~git20150920+dfsg-4ubuntu1.16.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libhcrypto4-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"},{"binary_name":"libroken18-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":"heimdal-kcm","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":"libasn1-8-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":"libkadm5clnt7-heimdal","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":"libkdc2-heimdal","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":"libheimntlm0-heimdal","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":"libheimbase1-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":"libkafs0-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":"heimdal-multidev","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":"heimdal-clients","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5675-1.json","cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}},{"package":{"name":"heimdal","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/heimdal?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.5.0+dfsg-1ubuntu0.1"}]}],"versions":["7.4.0.dfsg.1-2","7.5.0+dfsg-1"],"ecosystem_specific":{"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"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5675-1.json","cves_map":{"cves":[{"id":"CVE-2018-16860","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2019-12098","severity":[{"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:3.1/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":"Ubuntu","score":"low"}]},{"id":"CVE-2021-3671","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]},{"id":"CVE-2022-3116","severity":[{"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":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:18.04:LTS"}}},{"package":{"name":"heimdal","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/heimdal?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.7.0+dfsg-1ubuntu1.1"}]}],"versions":["7.5.0+dfsg-3build1","7.7.0+dfsg-1","7.7.0+dfsg-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"heimdal-clients","binary_version":"7.7.0+dfsg-1ubuntu1.1"},{"binary_name":"heimdal-docs","binary_version":"7.7.0+dfsg-1ubuntu1.1"},{"binary_name":"heimdal-kcm","binary_version":"7.7.0+dfsg-1ubuntu1.1"},{"binary_name":"heimdal-kdc","binary_version":"7.7.0+dfsg-1ubuntu1.1"},{"binary_name":"heimdal-multidev","binary_version":"7.7.0+dfsg-1ubuntu1.1"},{"binary_name":"heimdal-servers","binary_version":"7.7.0+dfsg-1ubuntu1.1"},{"binary_name":"libasn1-8-heimdal","binary_version":"7.7.0+dfsg-1ubuntu1.1"},{"binary_name":"libgssapi3-heimdal","binary_version":"7.7.0+dfsg-1ubuntu1.1"},{"binary_name":"libhcrypto4-heimdal","binary_version":"7.7.0+dfsg-1ubuntu1.1"},{"binary_name":"libhdb9-heimdal","binary_version":"7.7.0+dfsg-1ubuntu1.1"},{"binary_name":"libheimbase1-heimdal","binary_version":"7.7.0+dfsg-1ubuntu1.1"},{"binary_name":"libheimntlm0-heimdal","binary_version":"7.7.0+dfsg-1ubuntu1.1"},{"binary_name":"libhx509-5-heimdal","binary_version":"7.7.0+dfsg-1ubuntu1.1"},{"binary_name":"libkadm5clnt7-heimdal","binary_version":"7.7.0+dfsg-1ubuntu1.1"},{"binary_name":"libkadm5srv8-heimdal","binary_version":"7.7.0+dfsg-1ubuntu1.1"},{"binary_name":"libkafs0-heimdal","binary_version":"7.7.0+dfsg-1ubuntu1.1"},{"binary_name":"libkdc2-heimdal","binary_version":"7.7.0+dfsg-1ubuntu1.1"},{"binary_name":"libkrb5-26-heimdal","binary_version":"7.7.0+dfsg-1ubuntu1.1"},{"binary_name":"libotp0-heimdal","binary_version":"7.7.0+dfsg-1ubuntu1.1"},{"binary_name":"libroken18-heimdal","binary_version":"7.7.0+dfsg-1ubuntu1.1"},{"binary_name":"libsl0-heimdal","binary_version":"7.7.0+dfsg-1ubuntu1.1"},{"binary_name":"libwind0-heimdal","binary_version":"7.7.0+dfsg-1ubuntu1.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5675-1.json","cves_map":{"cves":[{"id":"CVE-2021-3671","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]},{"id":"CVE-2022-3116","severity":[{"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":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:20.04:LTS"}}}],"schema_version":"1.7.5"}