Home/CVE/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
CVE

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

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.

MEDIUM · CVSS 5 EPSS 0.02315
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
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Affected Products & Versions

1
digium asteriskall versions
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Scoring & Timeline

5
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
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This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Published to NVD06 Jul 2011 · 07:55 PM
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References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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
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