Vulnerability Details CVE-2011-2216
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.035
EPSS Ranking 87.1%
CVSS Severity
CVSS v2 Score 5.0
References
- http://downloads.digium.com/pub/security/AST-2011-007.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062658.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062013.html
- http://osvdb.org/72752
- http://secunia.com/advisories/44828
- http://securitytracker.com/id?1025598
- http://www.securityfocus.com/archive/1/518236/100/0/threaded
- http://www.securityfocus.com/bid/48096
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67812
- http://downloads.digium.com/pub/security/AST-2011-007.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062658.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062013.html
- http://osvdb.org/72752
- http://secunia.com/advisories/44828
- http://securitytracker.com/id?1025598
- http://www.securityfocus.com/archive/1/518236/100/0/threaded
- http://www.securityfocus.com/bid/48096
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67812
Products affected by CVE-2011-2216
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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