| Package | Affected versions | Patched versions |
|---|---|---|
| asterisk appliance developer kit | ≤ 1.4_revision_95945 | |
| asterisk business edition | ≤ c.1.0beta7 | |
| asterisknow | ≤ beta_6 | |
| open source | ≤ 1.4.16 | |
| s800i | ≤ 1.0.3.3 |
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.
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