reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.3 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a SIP packet with a Contact header that lacks a < (less than) character.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Asterisk | Digium | 1.8.0 (including) | 1.8.0 (including) |
| Asterisk | Digium | 1.8.0-beta1 (including) | 1.8.0-beta1 (including) |
| Asterisk | Digium | 1.8.0-beta2 (including) | 1.8.0-beta2 (including) |
| Asterisk | Digium | 1.8.0-beta3 (including) | 1.8.0-beta3 (including) |
| Asterisk | Digium | 1.8.0-beta4 (including) | 1.8.0-beta4 (including) |
| Asterisk | Digium | 1.8.0-beta5 (including) | 1.8.0-beta5 (including) |
| Asterisk | Digium | 1.8.0-rc2 (including) | 1.8.0-rc2 (including) |
| Asterisk | Digium | 1.8.0-rc3 (including) | 1.8.0-rc3 (including) |
| Asterisk | Digium | 1.8.0-rc4 (including) | 1.8.0-rc4 (including) |
| Asterisk | Digium | 1.8.0-rc5 (including) | 1.8.0-rc5 (including) |
| Asterisk | Digium | 1.8.1 (including) | 1.8.1 (including) |
| Asterisk | Digium | 1.8.1-rc1 (including) | 1.8.1-rc1 (including) |
| Asterisk | Digium | 1.8.1.1 (including) | 1.8.1.1 (including) |
| Asterisk | Digium | 1.8.1.2 (including) | 1.8.1.2 (including) |
| Asterisk | Digium | 1.8.2 (including) | 1.8.2 (including) |
| Asterisk | Digium | 1.8.2.1 (including) | 1.8.2.1 (including) |
| Asterisk | Digium | 1.8.2.2 (including) | 1.8.2.2 (including) |
| Asterisk | Digium | 1.8.2.3 (including) | 1.8.2.3 (including) |
| Asterisk | Digium | 1.8.2.4 (including) | 1.8.2.4 (including) |
| Asterisk | Digium | 1.8.3 (including) | 1.8.3 (including) |
| Asterisk | Digium | 1.8.3-rc1 (including) | 1.8.3-rc1 (including) |
| Asterisk | Digium | 1.8.3-rc2 (including) | 1.8.3-rc2 (including) |
| Asterisk | Digium | 1.8.3-rc3 (including) | 1.8.3-rc3 (including) |
| Asterisk | Digium | 1.8.3.1 (including) | 1.8.3.1 (including) |
| Asterisk | Digium | 1.8.3.2 (including) | 1.8.3.2 (including) |
| Asterisk | Digium | 1.8.3.3 (including) | 1.8.3.3 (including) |
| Asterisk | Digium | 1.8.4 (including) | 1.8.4 (including) |
| Asterisk | Digium | 1.8.4-rc1 (including) | 1.8.4-rc1 (including) |
| Asterisk | Digium | 1.8.4-rc2 (including) | 1.8.4-rc2 (including) |
| Asterisk | Digium | 1.8.4-rc3 (including) | 1.8.4-rc3 (including) |
| Asterisk | Digium | 1.8.4.1 (including) | 1.8.4.1 (including) |
| Asterisk | Digium | 1.8.4.2 (including) | 1.8.4.2 (including) |