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CVE-2017-17850

Status Candidate

Overview

An issue was discovered in Asterisk 13.18.4 and older, 14.7.4 and older, 15.1.4 and older, and 13.18-cert1 and older. A select set of SIP messages create a dialog in Asterisk. Those SIP messages must contain a contact header. For those messages, if the header was not present and the PJSIP channel driver was used, Asterisk would crash. The severity of this vulnerability is somewhat mitigated if authentication is enabled. If authentication is enabled, a user would have to first be authorized before reaching the crash point.

Related Files

Gentoo Linux Security Advisory 201811-11
Posted Nov 24, 2018
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201811-11 - Multiple vulnerabilities have been found in Asterisk, the worst of which could result in a Denial of Service condition. Versions less than 13.23.1 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2017-16671, CVE-2017-16672, CVE-2017-17850, CVE-2018-12227, CVE-2018-17281
SHA-256 | d200caeb885cb10d417f6d8764dcef474cd93f894dd14f209e91124a44865450
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