Vulnerability Details CVE-2014-4045
The Publish/Subscribe Framework in the PJSIP channel driver in Asterisk Open Source 12.x before 12.3.1, when sub_min_expiry is set to zero, allows remote attackers to cause a denial of service (assertion failure and crash) via an unsubscribe request when not subscribed to the device.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.071
EPSS Ranking 91.1%
CVSS Severity
CVSS v2 Score 4.3
References
- http://downloads.asterisk.org/pub/security/AST-2014-005.html
- http://packetstormsecurity.com/files/127087/Asterisk-Project-Security-Advisory-AST-2014-005.html
- http://www.securityfocus.com/archive/1/532414/100/0/threaded
- http://downloads.asterisk.org/pub/security/AST-2014-005.html
- http://packetstormsecurity.com/files/127087/Asterisk-Project-Security-Advisory-AST-2014-005.html
- http://www.securityfocus.com/archive/1/532414/100/0/threaded
Products affected by CVE-2014-4045
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cpe:2.3:a:digium:asterisk:12.0.0
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cpe:2.3:a:digium:asterisk:12.1.0
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cpe:2.3:a:digium:asterisk:12.1.1
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cpe:2.3:a:digium:asterisk:12.2.0
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cpe:2.3:a:digium:asterisk:12.3.0