The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes the KDC to corrupt its heap (aka buffer underrun).
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Kerberos | Mit | 1.0 (including) | 1.0 (including) |
| Kerberos | Mit | 1.2.2.beta1 (including) | 1.2.2.beta1 (including) |
| Kerberos_5 | Mit | 1.0.6 (including) | 1.0.6 (including) |
| Kerberos_5 | Mit | 1.1 (including) | 1.1 (including) |
| Kerberos_5 | Mit | 1.1.1 (including) | 1.1.1 (including) |
| Kerberos_5 | Mit | 1.2 (including) | 1.2 (including) |
| Kerberos_5 | Mit | 1.2.1 (including) | 1.2.1 (including) |
| Kerberos_5 | Mit | 1.2.2 (including) | 1.2.2 (including) |
| Kerberos_5 | Mit | 1.2.3 (including) | 1.2.3 (including) |
| Kerberos_5 | Mit | 1.2.4 (including) | 1.2.4 (including) |
| Kerberos_5 | Mit | 1.2.5 (including) | 1.2.5 (including) |
| Kerberos_5 | Mit | 1.2.6 (including) | 1.2.6 (including) |
| Kerberos_5 | Mit | 1.2.7 (including) | 1.2.7 (including) |
| Kerberos_5 | Mit | 1.3-alpha1 (including) | 1.3-alpha1 (including) |
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | RedHat | * | |
| Red Hat Enterprise Linux ES version 2.1 | RedHat | * | |
| Red Hat Enterprise Linux WS version 2.1 | RedHat | * | |
| Red Hat Linux 6.2 | RedHat | * | |
| Red Hat Linux 7.0 | RedHat | * | |
| Red Hat Linux 7.1 | RedHat | * | |
| Red Hat Linux 7.1 | RedHat | * | |
| Red Hat Linux 7.2 | RedHat | * | |
| Red Hat Linux 7.3 | RedHat | * | |
| Red Hat Linux 8.0 | RedHat | * | |
| Red Hat Linux 9 | RedHat | * | |
| Red Hat Linux Advanced Workstation 2.1 | RedHat | * |