The PJSIP Channel Driver in Asterisk Open Source before 12.3.1 allows remote attackers to cause a denial of service (deadlock) by terminating a subscription request before it is complete, which triggers a SIP transaction timeout.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Asterisk | Digium | * | 12.3.0 (including) |
| 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-rc1 (including) | 12.3.0-rc1 (including) |
| Asterisk | Digium | 12.3.0-rc2 (including) | 12.3.0-rc2 (including) |
| Asterisk | Ubuntu | lucid | * |
| Asterisk | Ubuntu | saucy | * |
| Asterisk | Ubuntu | upstream | * |