Vulnerability Details 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) character.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.023
EPSS Ranking 84.1%
CVSS Severity
CVSS v2 Score 5.0
References
- http://downloads.asterisk.org/pub/security/AST-2011-009-1.8.diff
- http://downloads.asterisk.org/pub/security/AST-2011-009.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html
- http://secunia.com/advisories/45048
- 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.diff
- http://downloads.asterisk.org/pub/security/AST-2011-009.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html
- http://secunia.com/advisories/45048
- http://secunia.com/advisories/45201
- http://secunia.com/advisories/45239
- http://www.debian.org/security/2011/dsa-2276
Products affected by CVE-2011-2665
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cpe:2.3:a:digium:asterisk:1.8.0
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cpe:2.3:a:digium:asterisk:1.8.1
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cpe:2.3:a:digium:asterisk:1.8.1.1
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cpe:2.3:a:digium:asterisk:1.8.1.2
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cpe:2.3:a:digium:asterisk:1.8.2
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cpe:2.3:a:digium:asterisk:1.8.2.1
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cpe:2.3:a:digium:asterisk:1.8.2.2
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cpe:2.3:a:digium:asterisk:1.8.2.3
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cpe:2.3:a:digium:asterisk:1.8.2.4
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cpe:2.3:a:digium:asterisk:1.8.3
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cpe:2.3:a:digium:asterisk:1.8.3.1
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cpe:2.3:a:digium:asterisk:1.8.3.2
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cpe:2.3:a:digium:asterisk:1.8.3.3
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cpe:2.3:a:digium:asterisk:1.8.4
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cpe:2.3:a:digium:asterisk:1.8.4.1
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cpe:2.3:a:digium:asterisk:1.8.4.2