CVE-2011-2216
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
6.4 Medium
AI Score
Confidence
Low
0.086 Low
EPSS
Percentile
94.5%
reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.2 does not initialize certain strings, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed Contact header.
Affected configurations
References
downloads.digium.com/pub/security/AST-2011-007.html
lists.fedoraproject.org/pipermail/package-announce/2011-July/062658.html
lists.fedoraproject.org/pipermail/package-announce/2011-June/062013.html
osvdb.org/72752
secunia.com/advisories/44828
securitytracker.com/id?1025598
www.securityfocus.com/archive/1/518236/100/0/threaded
www.securityfocus.com/bid/48096
exchange.xforce.ibmcloud.com/vulnerabilities/67812
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
6.4 Medium
AI Score
Confidence
Low
0.086 Low
EPSS
Percentile
94.5%