In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can modify the plaintext Extra Count field of a confidential GSS krb5 wrap token, causing the unwrapped token to appear truncated to the application.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "1.12+dfsg-2ubuntu5.4+esm5", "binary_name": "krb5-admin-server" }, { "binary_version": "1.12+dfsg-2ubuntu5.4+esm5", "binary_name": "krb5-gss-samples" }, { "binary_version": "1.12+dfsg-2ubuntu5.4+esm5", "binary_name": "krb5-kdc" }, { "binary_version": "1.12+dfsg-2ubuntu5.4+esm5", "binary_name": "krb5-kdc-ldap" }, { "binary_version": "1.12+dfsg-2ubuntu5.4+esm5", "binary_name": "krb5-locales" }, { "binary_version": "1.12+dfsg-2ubuntu5.4+esm5", "binary_name": "krb5-multidev" }, { "binary_version": "1.12+dfsg-2ubuntu5.4+esm5", "binary_name": "krb5-otp" }, { "binary_version": "1.12+dfsg-2ubuntu5.4+esm5", "binary_name": "krb5-pkinit" }, { "binary_version": "1.12+dfsg-2ubuntu5.4+esm5", "binary_name": "krb5-user" }, { "binary_version": "1.12+dfsg-2ubuntu5.4+esm5", "binary_name": "libgssapi-krb5-2" }, { "binary_version": "1.12+dfsg-2ubuntu5.4+esm5", "binary_name": "libgssrpc4" }, { "binary_version": "1.12+dfsg-2ubuntu5.4+esm5", "binary_name": "libk5crypto3" }, { "binary_version": "1.12+dfsg-2ubuntu5.4+esm5", "binary_name": "libkadm5clnt-mit9" }, { "binary_version": "1.12+dfsg-2ubuntu5.4+esm5", "binary_name": "libkadm5srv-mit8" }, { "binary_version": "1.12+dfsg-2ubuntu5.4+esm5", "binary_name": "libkadm5srv-mit9" }, { "binary_version": "1.12+dfsg-2ubuntu5.4+esm5", "binary_name": "libkdb5-7" }, { "binary_version": "1.12+dfsg-2ubuntu5.4+esm5", "binary_name": "libkrad-dev" }, { "binary_version": "1.12+dfsg-2ubuntu5.4+esm5", "binary_name": "libkrad0" }, { "binary_version": "1.12+dfsg-2ubuntu5.4+esm5", "binary_name": "libkrb5-3" }, { "binary_version": "1.12+dfsg-2ubuntu5.4+esm5", "binary_name": "libkrb5-dev" }, { "binary_version": "1.12+dfsg-2ubuntu5.4+esm5", "binary_name": "libkrb5support0" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm5", "binary_name": "krb5-admin-server" }, { "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm5", "binary_name": "krb5-gss-samples" }, { "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm5", "binary_name": "krb5-k5tls" }, { "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm5", "binary_name": "krb5-kdc" }, { "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm5", "binary_name": "krb5-kdc-ldap" }, { "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm5", "binary_name": "krb5-locales" }, { "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm5", "binary_name": "krb5-multidev" }, { "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm5", "binary_name": "krb5-otp" }, { "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm5", "binary_name": "krb5-pkinit" }, { "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm5", "binary_name": "krb5-user" }, { "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm5", "binary_name": "libgssapi-krb5-2" }, { "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm5", "binary_name": "libgssrpc4" }, { "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm5", "binary_name": "libk5crypto3" }, { "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm5", "binary_name": "libkadm5clnt-mit9" }, { "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm5", "binary_name": "libkadm5srv-mit9" }, { "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm5", "binary_name": "libkdb5-8" }, { "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm5", "binary_name": "libkrad-dev" }, { "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm5", "binary_name": "libkrad0" }, { "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm5", "binary_name": "libkrb5-3" }, { "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm5", "binary_name": "libkrb5-dev" }, { "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm5", "binary_name": "libkrb5support0" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "1.16-2ubuntu0.4+esm2", "binary_name": "krb5-admin-server" }, { "binary_version": "1.16-2ubuntu0.4+esm2", "binary_name": "krb5-gss-samples" }, { "binary_version": "1.16-2ubuntu0.4+esm2", "binary_name": "krb5-k5tls" }, { "binary_version": "1.16-2ubuntu0.4+esm2", "binary_name": "krb5-kdc" }, { "binary_version": "1.16-2ubuntu0.4+esm2", "binary_name": "krb5-kdc-ldap" }, { "binary_version": "1.16-2ubuntu0.4+esm2", "binary_name": "krb5-kpropd" }, { "binary_version": "1.16-2ubuntu0.4+esm2", "binary_name": "krb5-locales" }, { "binary_version": "1.16-2ubuntu0.4+esm2", "binary_name": "krb5-multidev" }, { "binary_version": "1.16-2ubuntu0.4+esm2", "binary_name": "krb5-otp" }, { "binary_version": "1.16-2ubuntu0.4+esm2", "binary_name": "krb5-pkinit" }, { "binary_version": "1.16-2ubuntu0.4+esm2", "binary_name": "krb5-user" }, { "binary_version": "1.16-2ubuntu0.4+esm2", "binary_name": "libgssapi-krb5-2" }, { "binary_version": "1.16-2ubuntu0.4+esm2", "binary_name": "libgssrpc4" }, { "binary_version": "1.16-2ubuntu0.4+esm2", "binary_name": "libk5crypto3" }, { "binary_version": "1.16-2ubuntu0.4+esm2", "binary_name": "libkadm5clnt-mit11" }, { "binary_version": "1.16-2ubuntu0.4+esm2", "binary_name": "libkadm5srv-mit11" }, { "binary_version": "1.16-2ubuntu0.4+esm2", "binary_name": "libkdb5-9" }, { "binary_version": "1.16-2ubuntu0.4+esm2", "binary_name": "libkrad-dev" }, { "binary_version": "1.16-2ubuntu0.4+esm2", "binary_name": "libkrad0" }, { "binary_version": "1.16-2ubuntu0.4+esm2", "binary_name": "libkrb5-3" }, { "binary_version": "1.16-2ubuntu0.4+esm2", "binary_name": "libkrb5-dev" }, { "binary_version": "1.16-2ubuntu0.4+esm2", "binary_name": "libkrb5support0" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "1.17-6ubuntu4.6", "binary_name": "krb5-admin-server" }, { "binary_version": "1.17-6ubuntu4.6", "binary_name": "krb5-gss-samples" }, { "binary_version": "1.17-6ubuntu4.6", "binary_name": "krb5-k5tls" }, { "binary_version": "1.17-6ubuntu4.6", "binary_name": "krb5-kdc" }, { "binary_version": "1.17-6ubuntu4.6", "binary_name": "krb5-kdc-ldap" }, { "binary_version": "1.17-6ubuntu4.6", "binary_name": "krb5-kpropd" }, { "binary_version": "1.17-6ubuntu4.6", "binary_name": "krb5-locales" }, { "binary_version": "1.17-6ubuntu4.6", "binary_name": "krb5-multidev" }, { "binary_version": "1.17-6ubuntu4.6", "binary_name": "krb5-otp" }, { "binary_version": "1.17-6ubuntu4.6", "binary_name": "krb5-pkinit" }, { "binary_version": "1.17-6ubuntu4.6", "binary_name": "krb5-user" }, { "binary_version": "1.17-6ubuntu4.6", "binary_name": "libgssapi-krb5-2" }, { "binary_version": "1.17-6ubuntu4.6", "binary_name": "libgssrpc4" }, { "binary_version": "1.17-6ubuntu4.6", "binary_name": "libk5crypto3" }, { "binary_version": "1.17-6ubuntu4.6", "binary_name": "libkadm5clnt-mit11" }, { "binary_version": "1.17-6ubuntu4.6", "binary_name": "libkadm5srv-mit11" }, { "binary_version": "1.17-6ubuntu4.6", "binary_name": "libkdb5-9" }, { "binary_version": "1.17-6ubuntu4.6", "binary_name": "libkrad-dev" }, { "binary_version": "1.17-6ubuntu4.6", "binary_name": "libkrad0" }, { "binary_version": "1.17-6ubuntu4.6", "binary_name": "libkrb5-3" }, { "binary_version": "1.17-6ubuntu4.6", "binary_name": "libkrb5-dev" }, { "binary_version": "1.17-6ubuntu4.6", "binary_name": "libkrb5support0" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "1.19.2-2ubuntu0.4", "binary_name": "krb5-admin-server" }, { "binary_version": "1.19.2-2ubuntu0.4", "binary_name": "krb5-gss-samples" }, { "binary_version": "1.19.2-2ubuntu0.4", "binary_name": "krb5-k5tls" }, { "binary_version": "1.19.2-2ubuntu0.4", "binary_name": "krb5-kdc" }, { "binary_version": "1.19.2-2ubuntu0.4", "binary_name": "krb5-kdc-ldap" }, { "binary_version": "1.19.2-2ubuntu0.4", "binary_name": "krb5-kpropd" }, { "binary_version": "1.19.2-2ubuntu0.4", "binary_name": "krb5-locales" }, { "binary_version": "1.19.2-2ubuntu0.4", "binary_name": "krb5-multidev" }, { "binary_version": "1.19.2-2ubuntu0.4", "binary_name": "krb5-otp" }, { "binary_version": "1.19.2-2ubuntu0.4", "binary_name": "krb5-pkinit" }, { "binary_version": "1.19.2-2ubuntu0.4", "binary_name": "krb5-user" }, { "binary_version": "1.19.2-2ubuntu0.4", "binary_name": "libgssapi-krb5-2" }, { "binary_version": "1.19.2-2ubuntu0.4", "binary_name": "libgssrpc4" }, { "binary_version": "1.19.2-2ubuntu0.4", "binary_name": "libk5crypto3" }, { "binary_version": "1.19.2-2ubuntu0.4", "binary_name": "libkadm5clnt-mit12" }, { "binary_version": "1.19.2-2ubuntu0.4", "binary_name": "libkadm5srv-mit12" }, { "binary_version": "1.19.2-2ubuntu0.4", "binary_name": "libkdb5-10" }, { "binary_version": "1.19.2-2ubuntu0.4", "binary_name": "libkrad-dev" }, { "binary_version": "1.19.2-2ubuntu0.4", "binary_name": "libkrad0" }, { "binary_version": "1.19.2-2ubuntu0.4", "binary_name": "libkrb5-3" }, { "binary_version": "1.19.2-2ubuntu0.4", "binary_name": "libkrb5-dev" }, { "binary_version": "1.19.2-2ubuntu0.4", "binary_name": "libkrb5support0" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "1.20.1-6ubuntu2.1", "binary_name": "krb5-admin-server" }, { "binary_version": "1.20.1-6ubuntu2.1", "binary_name": "krb5-gss-samples" }, { "binary_version": "1.20.1-6ubuntu2.1", "binary_name": "krb5-k5tls" }, { "binary_version": "1.20.1-6ubuntu2.1", "binary_name": "krb5-kdc" }, { "binary_version": "1.20.1-6ubuntu2.1", "binary_name": "krb5-kdc-ldap" }, { "binary_version": "1.20.1-6ubuntu2.1", "binary_name": "krb5-kpropd" }, { "binary_version": "1.20.1-6ubuntu2.1", "binary_name": "krb5-locales" }, { "binary_version": "1.20.1-6ubuntu2.1", "binary_name": "krb5-multidev" }, { "binary_version": "1.20.1-6ubuntu2.1", "binary_name": "krb5-otp" }, { "binary_version": "1.20.1-6ubuntu2.1", "binary_name": "krb5-pkinit" }, { "binary_version": "1.20.1-6ubuntu2.1", "binary_name": "krb5-user" }, { "binary_version": "1.20.1-6ubuntu2.1", "binary_name": "libgssapi-krb5-2" }, { "binary_version": "1.20.1-6ubuntu2.1", "binary_name": "libgssrpc4t64" }, { "binary_version": "1.20.1-6ubuntu2.1", "binary_name": "libk5crypto3" }, { "binary_version": "1.20.1-6ubuntu2.1", "binary_name": "libkadm5clnt-mit12" }, { "binary_version": "1.20.1-6ubuntu2.1", "binary_name": "libkadm5srv-mit12" }, { "binary_version": "1.20.1-6ubuntu2.1", "binary_name": "libkdb5-10t64" }, { "binary_version": "1.20.1-6ubuntu2.1", "binary_name": "libkrad-dev" }, { "binary_version": "1.20.1-6ubuntu2.1", "binary_name": "libkrad0" }, { "binary_version": "1.20.1-6ubuntu2.1", "binary_name": "libkrb5-3" }, { "binary_version": "1.20.1-6ubuntu2.1", "binary_name": "libkrb5-dev" }, { "binary_version": "1.20.1-6ubuntu2.1", "binary_name": "libkrb5support0" } ] }