The SIP channel driver in Asterisk Open Source 1.4.x before 1.4.17, Business Edition before C.1.0-beta8, AsteriskNOW before beta7, Appliance Developer Kit before Asterisk 1.4 revision 95946, and Appliance s800i 1.0.x before 1.0.3.4 allows remote attackers to cause a denial of service (daemon crash) via a BYE message with an Also (Also transfer) header, which triggers a NULL pointer dereference.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Asterisk_appliance_developer_kit | Asterisk | * | 1.4_revision_95945 (including) |
| Asterisk_business_edition | Asterisk | * | c.1.0beta7 (including) |
| Asterisknow | Asterisk | * | beta_6 (including) |
| Open_source | Asterisk | * | 1.4.16 (including) |
| S800i | Asterisk | * | 1.0.3.3 (including) |
| Asterisk | Ubuntu | devel | * |
| Asterisk | Ubuntu | gutsy | * |
| Asterisk | Ubuntu | hardy | * |
| Asterisk | Ubuntu | intrepid | * |
| Asterisk | Ubuntu | upstream | * |