CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
Percentile
99.7%
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.
Author | Note |
---|---|
fujitsu | Only affects 1.4.x. |