chain_sip in Asterisk Open Source 11.x before 11.23.1 and 13.x 13.11.1 and Certified Asterisk 11.6 before 11.6-cert15 and 13.8 before 13.8-cert3 allows remote attackers to cause a denial of service (port exhaustion).

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - chain_sip in Asterisk Open Source 11.x before 11.23.1 and 13.x 13.11.1 and Certified Asterisk 11.6 before     11.6-cert15 and 13.8 before 13.8-cert3 allows remote attackers to cause a denial of service (port     exhaustion). (CVE-2016-7551)

Note that Nessus relies on the presence of the package as reported by the vendor.

Update to upstream 14.7.4 release to address AST-2017-012 security issue

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Update to upstream 14.7.3 release for security alert AST-2017-013

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Update to upstream 14.7.2 release for bug fixes

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Multiple vulnerabilities have been discovered in Asterisk, an open source PBX and telephony toolkit, which may result in denial of service or incorrect certificate validation.

ID	Name	Product	Family	Severity
252343	Linux Distros Unpatched Vulnerability : CVE-2016-7551	Nessus	Misc.	high
105895	Fedora 27 : asterisk (2017-66e9367f7e)	Nessus	Fedora Local Security Checks	high
94259	Debian DSA-3700-1 : asterisk - security update	Nessus	Debian Local Security Checks	high

Detections

Analytics

CVE-2016-7551

high

Tenable Plugins

high

high

high