The _gnutls_x509_oid2mac_algorithm function in lib/gnutls_algorithms.c in GnuTLS before 1.4.2 allows remote attackers to cause a denial of service (crash) via a crafted X.509 certificate that uses a hash algorithm that is not supported by GnuTLS, which triggers a NULL pointer dereference.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Gnutls | Gnu | * | 1.4.1 (including) |
| Gnutls | Gnu | 1.0.16 (including) | 1.0.16 (including) |
| Gnutls | Gnu | 1.0.17 (including) | 1.0.17 (including) |
| Gnutls | Gnu | 1.0.18 (including) | 1.0.18 (including) |
| Gnutls | Gnu | 1.0.19 (including) | 1.0.19 (including) |
| Gnutls | Gnu | 1.0.20 (including) | 1.0.20 (including) |
| Gnutls | Gnu | 1.0.21 (including) | 1.0.21 (including) |
| Gnutls | Gnu | 1.0.22 (including) | 1.0.22 (including) |
| Gnutls | Gnu | 1.0.23 (including) | 1.0.23 (including) |
| Gnutls | Gnu | 1.0.24 (including) | 1.0.24 (including) |
| Gnutls | Gnu | 1.0.25 (including) | 1.0.25 (including) |
| Gnutls | Gnu | 1.1.13 (including) | 1.1.13 (including) |
| Gnutls | Gnu | 1.1.14 (including) | 1.1.14 (including) |
| Gnutls | Gnu | 1.1.15 (including) | 1.1.15 (including) |
| Gnutls | Gnu | 1.1.16 (including) | 1.1.16 (including) |
| Gnutls | Gnu | 1.1.17 (including) | 1.1.17 (including) |
| Gnutls | Gnu | 1.1.18 (including) | 1.1.18 (including) |
| Gnutls | Gnu | 1.1.19 (including) | 1.1.19 (including) |
| Gnutls | Gnu | 1.1.20 (including) | 1.1.20 (including) |
| Gnutls | Gnu | 1.1.21 (including) | 1.1.21 (including) |
| Gnutls | Gnu | 1.1.22 (including) | 1.1.22 (including) |
| Gnutls | Gnu | 1.1.23 (including) | 1.1.23 (including) |
| Gnutls | Gnu | 1.2.0 (including) | 1.2.0 (including) |
| Gnutls | Gnu | 1.2.1 (including) | 1.2.1 (including) |
| Gnutls | Gnu | 1.2.2 (including) | 1.2.2 (including) |
| Gnutls | Gnu | 1.2.3 (including) | 1.2.3 (including) |
| Gnutls | Gnu | 1.2.4 (including) | 1.2.4 (including) |
| Gnutls | Gnu | 1.2.5 (including) | 1.2.5 (including) |
| Gnutls | Gnu | 1.2.6 (including) | 1.2.6 (including) |
| Gnutls | Gnu | 1.2.7 (including) | 1.2.7 (including) |
| Gnutls | Gnu | 1.2.8 (including) | 1.2.8 (including) |
| Gnutls | Gnu | 1.2.8.1a1 (including) | 1.2.8.1a1 (including) |
| Gnutls | Gnu | 1.2.9 (including) | 1.2.9 (including) |
| Gnutls | Gnu | 1.2.10 (including) | 1.2.10 (including) |
| Gnutls | Gnu | 1.2.11 (including) | 1.2.11 (including) |
| Gnutls | Gnu | 1.3.0 (including) | 1.3.0 (including) |
| Gnutls | Gnu | 1.3.1 (including) | 1.3.1 (including) |
| Gnutls | Gnu | 1.3.2 (including) | 1.3.2 (including) |
| Gnutls | Gnu | 1.3.3 (including) | 1.3.3 (including) |
| Gnutls | Gnu | 1.3.4 (including) | 1.3.4 (including) |
| Gnutls | Gnu | 1.3.5 (including) | 1.3.5 (including) |
| Gnutls | Gnu | 1.4.0 (including) | 1.4.0 (including) |
| Red Hat Enterprise Linux 5 | RedHat | gnutls-0:1.4.1-7.el5_8.1 | * |
| Gnutls12 | Ubuntu | dapper | * |