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CVE-2018-12227

Status Candidate

Overview

An issue was discovered in Asterisk Open Source 13.x before 13.21.1, 14.x before 14.7.7, and 15.x before 15.4.1 and Certified Asterisk 13.18-cert before 13.18-cert4 and 13.21-cert before 13.21-cert2. When endpoint specific ACL rules block a SIP request, they respond with a 403 forbidden. However, if an endpoint is not identified, then a 401 unauthorized response is sent. This vulnerability just discloses which requests hit a defined endpoint. The ACL rules cannot be bypassed to gain access to the disclosed endpoints.

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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