Denial of Service via Large Retransmit Timeout Values in Asterisk Open Source and Certified Asterisk

Denial of Service via Large Retransmit Timeout Values in Asterisk Open Source and Certified Asterisk

CVE-2016-2316 · HIGH Severity

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

chan_sip in Asterisk Open Source 1.8.x, 11.x before 11.21.1, 12.x, and 13.x before 13.7.1 and Certified Asterisk 1.8.28, 11.6 before 11.6-cert12, and 13.1 before 13.1-cert3, when the timert1 sip.conf configuration is set to a value greater than 1245, allows remote attackers to cause a denial of service (file descriptor consumption) via vectors related to large retransmit timeout values.

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