ecverify in kdc/kdcpreauth_ec.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference and daemon crash. This occurs because a return value is not properly managed in a certain situation.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1.16-2ubuntu0.4", "binary_name": "krb5-admin-server" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "krb5-admin-server-dbgsym" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "krb5-doc" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "krb5-gss-samples" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "krb5-gss-samples-dbgsym" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "krb5-k5tls" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "krb5-k5tls-dbgsym" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "krb5-kdc" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "krb5-kdc-dbgsym" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "krb5-kdc-ldap" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "krb5-kdc-ldap-dbgsym" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "krb5-kpropd" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "krb5-kpropd-dbgsym" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "krb5-locales" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "krb5-multidev" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "krb5-otp" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "krb5-otp-dbgsym" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "krb5-pkinit" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "krb5-pkinit-dbgsym" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "krb5-user" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "krb5-user-dbgsym" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "libgssapi-krb5-2" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "libgssrpc4" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "libk5crypto3" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "libkadm5clnt-mit11" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "libkadm5srv-mit11" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "libkdb5-9" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "libkrad-dev" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "libkrad0" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "libkrb5-3" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "libkrb5-dbg" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "libkrb5-dev" }, { "binary_version": "1.16-2ubuntu0.4", "binary_name": "libkrb5support0" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1.17-6ubuntu4.3", "binary_name": "krb5-admin-server" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "krb5-admin-server-dbgsym" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "krb5-doc" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "krb5-gss-samples" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "krb5-gss-samples-dbgsym" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "krb5-k5tls" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "krb5-k5tls-dbgsym" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "krb5-kdc" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "krb5-kdc-dbgsym" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "krb5-kdc-ldap" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "krb5-kdc-ldap-dbgsym" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "krb5-kpropd" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "krb5-kpropd-dbgsym" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "krb5-locales" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "krb5-multidev" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "krb5-otp" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "krb5-otp-dbgsym" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "krb5-pkinit" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "krb5-pkinit-dbgsym" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "krb5-user" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "krb5-user-dbgsym" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "libgssapi-krb5-2" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "libgssrpc4" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "libk5crypto3" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "libkadm5clnt-mit11" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "libkadm5srv-mit11" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "libkdb5-9" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "libkrad-dev" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "libkrad0" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "libkrb5-3" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "libkrb5-dbg" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "libkrb5-dev" }, { "binary_version": "1.17-6ubuntu4.3", "binary_name": "libkrb5support0" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1.19.2-2", "binary_name": "krb5-admin-server" }, { "binary_version": "1.19.2-2", "binary_name": "krb5-admin-server-dbgsym" }, { "binary_version": "1.19.2-2", "binary_name": "krb5-doc" }, { "binary_version": "1.19.2-2", "binary_name": "krb5-gss-samples" }, { "binary_version": "1.19.2-2", "binary_name": "krb5-gss-samples-dbgsym" }, { "binary_version": "1.19.2-2", "binary_name": "krb5-k5tls" }, { "binary_version": "1.19.2-2", "binary_name": "krb5-k5tls-dbgsym" }, { "binary_version": "1.19.2-2", "binary_name": "krb5-kdc" }, { "binary_version": "1.19.2-2", "binary_name": "krb5-kdc-dbgsym" }, { "binary_version": "1.19.2-2", "binary_name": "krb5-kdc-ldap" }, { "binary_version": "1.19.2-2", "binary_name": "krb5-kdc-ldap-dbgsym" }, { "binary_version": "1.19.2-2", "binary_name": "krb5-kpropd" }, { "binary_version": "1.19.2-2", "binary_name": "krb5-kpropd-dbgsym" }, { "binary_version": "1.19.2-2", "binary_name": "krb5-locales" }, { "binary_version": "1.19.2-2", "binary_name": "krb5-multidev" }, { "binary_version": "1.19.2-2", "binary_name": "krb5-otp" }, { "binary_version": "1.19.2-2", "binary_name": "krb5-otp-dbgsym" }, { "binary_version": "1.19.2-2", "binary_name": "krb5-pkinit" }, { "binary_version": "1.19.2-2", "binary_name": "krb5-pkinit-dbgsym" }, { "binary_version": "1.19.2-2", "binary_name": "krb5-user" }, { "binary_version": "1.19.2-2", "binary_name": "krb5-user-dbgsym" }, { "binary_version": "1.19.2-2", "binary_name": "libgssapi-krb5-2" }, { "binary_version": "1.19.2-2", "binary_name": "libgssrpc4" }, { "binary_version": "1.19.2-2", "binary_name": "libk5crypto3" }, { "binary_version": "1.19.2-2", "binary_name": "libkadm5clnt-mit12" }, { "binary_version": "1.19.2-2", "binary_name": "libkadm5srv-mit12" }, { "binary_version": "1.19.2-2", "binary_name": "libkdb5-10" }, { "binary_version": "1.19.2-2", "binary_name": "libkrad-dev" }, { "binary_version": "1.19.2-2", "binary_name": "libkrad0" }, { "binary_version": "1.19.2-2", "binary_name": "libkrb5-3" }, { "binary_version": "1.19.2-2", "binary_name": "libkrb5-dbg" }, { "binary_version": "1.19.2-2", "binary_name": "libkrb5-dev" }, { "binary_version": "1.19.2-2", "binary_name": "libkrb5support0" } ] }