Test ID:	1.3.6.1.4.1.25623.1.0.145418
Category:	Denial of Service
Title:	Asterisk DoS Vulnerability (AST-2021-003)
Summary:	Asterisk is prone to a denial of service vulnerability where; remote attackers could prematurely tear down SRTP calls.
Description:	Summary: Asterisk is prone to a denial of service vulnerability where remote attackers could prematurely tear down SRTP calls. Vulnerability Insight: An unauthenticated remote attacker could replay SRTP packets which could cause an Asterisk instance configured without strict RTP validation to tear down calls prematurely. Affected Software/OS: Asterisk Open Source 13.38.1, 16.16.0, 17.9.1, 18.2.0 and 16.8-cert5. Solution: Update to version 13.38.2, 16.16.1, 17.9.2, 18.2.1, 16.8-cert6 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-2021-26712 http://seclists.org/fulldisclosure/2021/Feb/59 http://packetstormsecurity.com/files/161473/Asterisk-Project-Security-Advisory-AST-2021-003.html https://downloads.asterisk.org/pub/security/
Copyright	Copyright (C) 2021 Greenbone AG

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