It was discovered that Kerberos incorrectly handled certain S4U2Self requests. An attacker could possibly use this issue to cause a denial of service. This issue was only addressed in Ubuntu 16.04 ESM and Ubuntu 18.04 LTS. (CVE-2018-20217)
Greg Hudson discovered that Kerberos PAC implementation 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)
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_name": "krb5-admin-server", "binary_version": "1.12+dfsg-2ubuntu5.4+esm3" }, { "binary_name": "krb5-gss-samples", "binary_version": "1.12+dfsg-2ubuntu5.4+esm3" }, { "binary_name": "krb5-kdc", "binary_version": "1.12+dfsg-2ubuntu5.4+esm3" }, { "binary_name": "krb5-kdc-ldap", "binary_version": "1.12+dfsg-2ubuntu5.4+esm3" }, { "binary_name": "krb5-locales", "binary_version": "1.12+dfsg-2ubuntu5.4+esm3" }, { "binary_name": "krb5-multidev", "binary_version": "1.12+dfsg-2ubuntu5.4+esm3" }, { "binary_name": "krb5-otp", "binary_version": "1.12+dfsg-2ubuntu5.4+esm3" }, { "binary_name": "krb5-pkinit", "binary_version": "1.12+dfsg-2ubuntu5.4+esm3" }, { "binary_name": "krb5-user", "binary_version": "1.12+dfsg-2ubuntu5.4+esm3" }, { "binary_name": "libgssapi-krb5-2", "binary_version": "1.12+dfsg-2ubuntu5.4+esm3" }, { "binary_name": "libgssrpc4", "binary_version": "1.12+dfsg-2ubuntu5.4+esm3" }, { "binary_name": "libk5crypto3", "binary_version": "1.12+dfsg-2ubuntu5.4+esm3" }, { "binary_name": "libkadm5clnt-mit9", "binary_version": "1.12+dfsg-2ubuntu5.4+esm3" }, { "binary_name": "libkadm5srv-mit8", "binary_version": "1.12+dfsg-2ubuntu5.4+esm3" }, { "binary_name": "libkadm5srv-mit9", "binary_version": "1.12+dfsg-2ubuntu5.4+esm3" }, { "binary_name": "libkdb5-7", "binary_version": "1.12+dfsg-2ubuntu5.4+esm3" }, { "binary_name": "libkrad-dev", "binary_version": "1.12+dfsg-2ubuntu5.4+esm3" }, { "binary_name": "libkrad0", "binary_version": "1.12+dfsg-2ubuntu5.4+esm3" }, { "binary_name": "libkrb5-3", "binary_version": "1.12+dfsg-2ubuntu5.4+esm3" }, { "binary_name": "libkrb5-dev", "binary_version": "1.12+dfsg-2ubuntu5.4+esm3" }, { "binary_name": "libkrb5support0", "binary_version": "1.12+dfsg-2ubuntu5.4+esm3" } ] }
{ "cves_map": { "ecosystem": "Ubuntu:Pro:14.04:LTS", "cves": [ { "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-2022-42898" } ] } }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_name": "krb5-admin-server", "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm3" }, { "binary_name": "krb5-gss-samples", "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm3" }, { "binary_name": "krb5-k5tls", "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm3" }, { "binary_name": "krb5-kdc", "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm3" }, { "binary_name": "krb5-kdc-ldap", "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm3" }, { "binary_name": "krb5-locales", "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm3" }, { "binary_name": "krb5-multidev", "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm3" }, { "binary_name": "krb5-otp", "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm3" }, { "binary_name": "krb5-pkinit", "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm3" }, { "binary_name": "krb5-user", "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm3" }, { "binary_name": "libgssapi-krb5-2", "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm3" }, { "binary_name": "libgssrpc4", "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm3" }, { "binary_name": "libk5crypto3", "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm3" }, { "binary_name": "libkadm5clnt-mit9", "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm3" }, { "binary_name": "libkadm5srv-mit9", "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm3" }, { "binary_name": "libkdb5-8", "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm3" }, { "binary_name": "libkrad-dev", "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm3" }, { "binary_name": "libkrad0", "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm3" }, { "binary_name": "libkrb5-3", "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm3" }, { "binary_name": "libkrb5-dev", "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm3" }, { "binary_name": "libkrb5support0", "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm3" } ] }
{ "cves_map": { "ecosystem": "Ubuntu:Pro:16.04:LTS", "cves": [ { "severity": [ { "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "type": "CVSS_V3" }, { "score": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-20217" }, { "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-2022-42898" } ] } }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "krb5-admin-server", "binary_version": "1.16-2ubuntu0.3" }, { "binary_name": "krb5-gss-samples", "binary_version": "1.16-2ubuntu0.3" }, { "binary_name": "krb5-k5tls", "binary_version": "1.16-2ubuntu0.3" }, { "binary_name": "krb5-kdc", "binary_version": "1.16-2ubuntu0.3" }, { "binary_name": "krb5-kdc-ldap", "binary_version": "1.16-2ubuntu0.3" }, { "binary_name": "krb5-kpropd", "binary_version": "1.16-2ubuntu0.3" }, { "binary_name": "krb5-locales", "binary_version": "1.16-2ubuntu0.3" }, { "binary_name": "krb5-multidev", "binary_version": "1.16-2ubuntu0.3" }, { "binary_name": "krb5-otp", "binary_version": "1.16-2ubuntu0.3" }, { "binary_name": "krb5-pkinit", "binary_version": "1.16-2ubuntu0.3" }, { "binary_name": "krb5-user", "binary_version": "1.16-2ubuntu0.3" }, { "binary_name": "libgssapi-krb5-2", "binary_version": "1.16-2ubuntu0.3" }, { "binary_name": "libgssrpc4", "binary_version": "1.16-2ubuntu0.3" }, { "binary_name": "libk5crypto3", "binary_version": "1.16-2ubuntu0.3" }, { "binary_name": "libkadm5clnt-mit11", "binary_version": "1.16-2ubuntu0.3" }, { "binary_name": "libkadm5srv-mit11", "binary_version": "1.16-2ubuntu0.3" }, { "binary_name": "libkdb5-9", "binary_version": "1.16-2ubuntu0.3" }, { "binary_name": "libkrad-dev", "binary_version": "1.16-2ubuntu0.3" }, { "binary_name": "libkrad0", "binary_version": "1.16-2ubuntu0.3" }, { "binary_name": "libkrb5-3", "binary_version": "1.16-2ubuntu0.3" }, { "binary_name": "libkrb5-dev", "binary_version": "1.16-2ubuntu0.3" }, { "binary_name": "libkrb5support0", "binary_version": "1.16-2ubuntu0.3" } ] }
{ "cves_map": { "ecosystem": "Ubuntu:18.04:LTS", "cves": [ { "severity": [ { "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "type": "CVSS_V3" }, { "score": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-20217" }, { "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-2022-42898" } ] } }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "krb5-admin-server", "binary_version": "1.17-6ubuntu4.2" }, { "binary_name": "krb5-gss-samples", "binary_version": "1.17-6ubuntu4.2" }, { "binary_name": "krb5-k5tls", "binary_version": "1.17-6ubuntu4.2" }, { "binary_name": "krb5-kdc", "binary_version": "1.17-6ubuntu4.2" }, { "binary_name": "krb5-kdc-ldap", "binary_version": "1.17-6ubuntu4.2" }, { "binary_name": "krb5-kpropd", "binary_version": "1.17-6ubuntu4.2" }, { "binary_name": "krb5-locales", "binary_version": "1.17-6ubuntu4.2" }, { "binary_name": "krb5-multidev", "binary_version": "1.17-6ubuntu4.2" }, { "binary_name": "krb5-otp", "binary_version": "1.17-6ubuntu4.2" }, { "binary_name": "krb5-pkinit", "binary_version": "1.17-6ubuntu4.2" }, { "binary_name": "krb5-user", "binary_version": "1.17-6ubuntu4.2" }, { "binary_name": "libgssapi-krb5-2", "binary_version": "1.17-6ubuntu4.2" }, { "binary_name": "libgssrpc4", "binary_version": "1.17-6ubuntu4.2" }, { "binary_name": "libk5crypto3", "binary_version": "1.17-6ubuntu4.2" }, { "binary_name": "libkadm5clnt-mit11", "binary_version": "1.17-6ubuntu4.2" }, { "binary_name": "libkadm5srv-mit11", "binary_version": "1.17-6ubuntu4.2" }, { "binary_name": "libkdb5-9", "binary_version": "1.17-6ubuntu4.2" }, { "binary_name": "libkrad-dev", "binary_version": "1.17-6ubuntu4.2" }, { "binary_name": "libkrad0", "binary_version": "1.17-6ubuntu4.2" }, { "binary_name": "libkrb5-3", "binary_version": "1.17-6ubuntu4.2" }, { "binary_name": "libkrb5-dev", "binary_version": "1.17-6ubuntu4.2" }, { "binary_name": "libkrb5support0", "binary_version": "1.17-6ubuntu4.2" } ] }
{ "cves_map": { "ecosystem": "Ubuntu:20.04:LTS", "cves": [ { "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-2022-42898" } ] } }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "krb5-admin-server", "binary_version": "1.19.2-2ubuntu0.1" }, { "binary_name": "krb5-gss-samples", "binary_version": "1.19.2-2ubuntu0.1" }, { "binary_name": "krb5-k5tls", "binary_version": "1.19.2-2ubuntu0.1" }, { "binary_name": "krb5-kdc", "binary_version": "1.19.2-2ubuntu0.1" }, { "binary_name": "krb5-kdc-ldap", "binary_version": "1.19.2-2ubuntu0.1" }, { "binary_name": "krb5-kpropd", "binary_version": "1.19.2-2ubuntu0.1" }, { "binary_name": "krb5-locales", "binary_version": "1.19.2-2ubuntu0.1" }, { "binary_name": "krb5-multidev", "binary_version": "1.19.2-2ubuntu0.1" }, { "binary_name": "krb5-otp", "binary_version": "1.19.2-2ubuntu0.1" }, { "binary_name": "krb5-pkinit", "binary_version": "1.19.2-2ubuntu0.1" }, { "binary_name": "krb5-user", "binary_version": "1.19.2-2ubuntu0.1" }, { "binary_name": "libgssapi-krb5-2", "binary_version": "1.19.2-2ubuntu0.1" }, { "binary_name": "libgssrpc4", "binary_version": "1.19.2-2ubuntu0.1" }, { "binary_name": "libk5crypto3", "binary_version": "1.19.2-2ubuntu0.1" }, { "binary_name": "libkadm5clnt-mit12", "binary_version": "1.19.2-2ubuntu0.1" }, { "binary_name": "libkadm5srv-mit12", "binary_version": "1.19.2-2ubuntu0.1" }, { "binary_name": "libkdb5-10", "binary_version": "1.19.2-2ubuntu0.1" }, { "binary_name": "libkrad-dev", "binary_version": "1.19.2-2ubuntu0.1" }, { "binary_name": "libkrad0", "binary_version": "1.19.2-2ubuntu0.1" }, { "binary_name": "libkrb5-3", "binary_version": "1.19.2-2ubuntu0.1" }, { "binary_name": "libkrb5-dev", "binary_version": "1.19.2-2ubuntu0.1" }, { "binary_name": "libkrb5support0", "binary_version": "1.19.2-2ubuntu0.1" } ] }
{ "cves_map": { "ecosystem": "Ubuntu:22.04:LTS", "cves": [ { "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-2022-42898" } ] } }