Double free vulnerability in the prepare_error_as function in do_as_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 through 1.9, when the PKINIT feature is enabled, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via an e_data field containing typed data.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Kerberos_5 | Mit | 1.7 (including) | 1.7 (including) |
| Kerberos_5 | Mit | 1.7.1 (including) | 1.7.1 (including) |
| Kerberos_5 | Mit | 1.8 (including) | 1.8 (including) |
| Kerberos_5 | Mit | 1.8.1 (including) | 1.8.1 (including) |
| Kerberos_5 | Mit | 1.8.2 (including) | 1.8.2 (including) |
| Kerberos_5 | Mit | 1.8.3 (including) | 1.8.3 (including) |
| Kerberos_5 | Mit | 1.9 (including) | 1.9 (including) |
| Red Hat Enterprise Linux 6 | RedHat | krb5-0:1.8.2-3.el6_0.6 | * |
| Krb5 | Ubuntu | devel | * |
| Krb5 | Ubuntu | karmic | * |
| Krb5 | Ubuntu | lucid | * |
| Krb5 | Ubuntu | maverick | * |
| Krb5 | Ubuntu | upstream | * |