VulnerabilityModified
CVE-2011-2665
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)…
MEDIUM 5.0EPSS 3.97%
Does this matter?
Lower severity and a low EPSS score (3.97%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 3.97% probability · 90th percentile
- CISA KEV
- Not listed
- Affected
- digium/asterisk
- Source
- cve@mitre.org
References
- http://downloads.asterisk.org/pub/security/AST-2011-009-1.8.diffPatch
- http://downloads.asterisk.org/pub/security/AST-2011-009.htmlVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html
- http://secunia.com/advisories/45048Vendor Advisory
- http://secunia.com/advisories/45201
- http://secunia.com/advisories/45239
- http://www.debian.org/security/2011/dsa-2276
- http://downloads.asterisk.org/pub/security/AST-2011-009-1.8.diffPatch
- http://downloads.asterisk.org/pub/security/AST-2011-009.htmlVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html
- http://secunia.com/advisories/45048Vendor Advisory
- http://secunia.com/advisories/45201
- http://secunia.com/advisories/45239
- http://www.debian.org/security/2011/dsa-2276
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.