Test ID:	1.3.6.1.4.1.25623.1.0.141496
Category:	Denial of Service
Title:	Asterisk DoS Vulnerability (AST-2018-009)
Summary:	Asterisk is prone to a denial of service (DoS) vulnerability.
Description:	Summary: Asterisk is prone to a denial of service (DoS) vulnerability. Vulnerability Insight: There is a stack overflow vulnerability in the res_http_websocket.so module of Asterisk that allows an attacker to crash Asterisk via a specially crafted HTTP request to upgrade the connection to a websocket. The attacker's request causes Asterisk to run out of stack space and crash. Affected Software/OS: Asterisk Open Source versions 13.x, 14.x, 15.x and Certified Asterisk version 13.21. Solution: Update to version 13.23.1, 14.7.8, 15.6.1, 13.21-cert3 or later. CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2018-17281 BugTraq ID: 105389 http://www.securityfocus.com/bid/105389 Bugtraq: 20180920 AST-2018-009: Remote crash vulnerability in HTTP websocket upgrade (Google Search) https://seclists.org/bugtraq/2018/Sep/53 Debian Security Information: DSA-4320 (Google Search) https://www.debian.org/security/2018/dsa-4320 http://seclists.org/fulldisclosure/2018/Sep/31 https://security.gentoo.org/glsa/201811-11 http://packetstormsecurity.com/files/149453/Asterisk-Project-Security-Advisory-AST-2018-009.html https://lists.debian.org/debian-lts-announce/2018/09/msg00034.html http://www.securitytracker.com/id/1041694
Copyright	Copyright (C) 2018 Greenbone AG

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