Asterisk 13.x < 13.18.3 / 14.x < 14.7.3 / 15.x < 15.1.3 / 13.13 < 13.13-cert8 Memory Exhaustion Remote DoS (AST-2017-013)
Medium Nessus Plugin ID 105041
SynopsisA telephony application running on the remote host is affected by a memory exhaustion remote denial-of-service vulnerability.
DescriptionAccording to its SIP banner, the version of Asterisk running on the remote host is 13.x prior to 13.18.3, 14.x prior to 14.7.3, 15.x prior to 15.1.3, or 13.13 prior to 13.13-cert8. It is therefore, affected by a memory exhaustion remote denial-of-service attack as described in AST-2017-013.
Also note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
SolutionUpgrade to Asterisk version 13.18.3 / 14.7.3 / 15.1.3 / 13.13-cert8 or later.