Denial of Service via RTP Port Reclamation Vulnerability in Asterisk Open Source 12.x and 13.x

Denial of Service via RTP Port Reclamation Vulnerability in Asterisk Open Source 12.x and 13.x

CVE-2015-1558 · LOW Severity

AV:N/AC:M/AU:S/C:N/I:N/A:P

Asterisk Open Source 12.x before 12.8.1 and 13.x before 13.1.1, when using the PJSIP channel driver, does not properly reclaim RTP ports, which allows remote authenticated users to cause a denial of service (file descriptor consumption) via an SDP offer containing only incompatible codecs.

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