CVE-2011-2665
5 Medium
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
6.3 Medium
AI Score
Confidence
Low
0.075 Low
EPSS
Percentile
94.1%
reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.3 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a SIP packet with a Contact header that lacks a < (less than) character.
Affected configurations
References
downloads.asterisk.org/pub/security/AST-2011-009-1.8.diff
downloads.asterisk.org/pub/security/AST-2011-009.html
lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html
secunia.com/advisories/45048
secunia.com/advisories/45201
secunia.com/advisories/45239
www.debian.org/security/2011/dsa-2276
Related
5 Medium
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
6.3 Medium
AI Score
Confidence
Low
0.075 Low
EPSS
Percentile
94.1%