The Publish/Subscribe Framework in the PJSIP channel driver in Asterisk Open Source 12.x before 12.3.1, when sub_min_expiry is set to zero, allows remote attackers to cause a denial of service (assertion failure and crash) via an unsubscribe request when not subscribed to the device.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Asterisk | Digium | 12.0.0 (including) | 12.0.0 (including) |
| Asterisk | Digium | 12.1.0 (including) | 12.1.0 (including) |
| Asterisk | Digium | 12.1.0-rc1 (including) | 12.1.0-rc1 (including) |
| Asterisk | Digium | 12.1.0-rc2 (including) | 12.1.0-rc2 (including) |
| Asterisk | Digium | 12.1.0-rc3 (including) | 12.1.0-rc3 (including) |
| Asterisk | Digium | 12.1.1 (including) | 12.1.1 (including) |
| Asterisk | Digium | 12.2.0 (including) | 12.2.0 (including) |
| Asterisk | Digium | 12.2.0-rc1 (including) | 12.2.0-rc1 (including) |
| Asterisk | Digium | 12.2.0-rc2 (including) | 12.2.0-rc2 (including) |
| Asterisk | Digium | 12.2.0-rc3 (including) | 12.2.0-rc3 (including) |
| Asterisk | Digium | 12.3.0 (including) | 12.3.0 (including) |
| Asterisk | Digium | 12.3.0-rc1 (including) | 12.3.0-rc1 (including) |
| Asterisk | Digium | 12.3.0-rc2 (including) | 12.3.0-rc2 (including) |
| Asterisk | Ubuntu | lucid | * |
| Asterisk | Ubuntu | upstream | * |
References
- http://downloads.asterisk.org/pub/security/AST-2014-005.html
- http://packetstormsecurity.com/files/127087/Asterisk-Project-Security-Advisory-AST-2014-005.html
- http://www.securityfocus.com/archive/1/532414/100/0/threaded
- http://downloads.asterisk.org/pub/security/AST-2014-005.html
- http://packetstormsecurity.com/files/127087/Asterisk-Project-Security-Advisory-AST-2014-005.html
- http://www.securityfocus.com/archive/1/532414/100/0/threaded