Asterisk 15.x < 15.6.2 / 16.x < 16.0.1 DoS (AST-2018-010)
Medium Nessus Plugin ID 118974
SynopsisA telephony application running on the remote host is affected by a denial of service vulnerability.
DescriptionAccording to its SIP banner, the version of Asterisk running on the remote host is 15.x prior to 15.6.2, 16.x prior to 16.0.1. It is therefore, affected by an error related to the functions 'dns_srv' and 'dns_naptr' described in AST-2018-010. This error allows denial of service attacks.
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 15.6.2 / 16.0.1 or later.