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
AI Score
Confidence
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.
Vendor | Product | Version | CPE |
---|---|---|---|
digium | asterisk | 1.8.0 | cpe:2.3:a:digium:asterisk:1.8.0:*:*:*:*:*:*:* |
digium | asterisk | 1.8.0 | cpe:2.3:a:digium:asterisk:1.8.0:beta1:*:*:*:*:*:* |
digium | asterisk | 1.8.0 | cpe:2.3:a:digium:asterisk:1.8.0:beta2:*:*:*:*:*:* |
digium | asterisk | 1.8.0 | cpe:2.3:a:digium:asterisk:1.8.0:beta3:*:*:*:*:*:* |
digium | asterisk | 1.8.0 | cpe:2.3:a:digium:asterisk:1.8.0:beta4:*:*:*:*:*:* |
digium | asterisk | 1.8.0 | cpe:2.3:a:digium:asterisk:1.8.0:beta5:*:*:*:*:*:* |
digium | asterisk | 1.8.0 | cpe:2.3:a:digium:asterisk:1.8.0:rc2:*:*:*:*:*:* |
digium | asterisk | 1.8.0 | cpe:2.3:a:digium:asterisk:1.8.0:rc3:*:*:*:*:*:* |
digium | asterisk | 1.8.0 | cpe:2.3:a:digium:asterisk:1.8.0:rc4:*:*:*:*:*:* |
digium | asterisk | 1.8.0 | cpe:2.3:a:digium:asterisk:1.8.0:rc5:*:*:*:*:*:* |
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