Test Kennung:	1.3.6.1.4.1.25623.1.0.146370
Kategorie:	Denial of Service
Titel:	Asterisk DoS Vulnerability (AST-2021-007)
Zusammenfassung:	Asterisk is prone to a denial of service (DoS) vulnerability in; the PJSIP channel driver.
Beschreibung:	Summary: Asterisk is prone to a denial of service (DoS) vulnerability in the PJSIP channel driver. Vulnerability Insight: When Asterisk receives a re-INVITE without SDP after having sent a BYE request a crash will occur. This occurs due to the Asterisk channel no longer being present while code assumes it is. Affected Software/OS: Asterisk Open Source 16.17.0, 16.18.0, 16.19.0, 18.3.0, 18.4.0 and 18.5.0. Solution: Update to version 16.19.1, 18.5.1 or later. CVSS Score: 4.0 CVSS Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2021-31878 http://seclists.org/fulldisclosure/2021/Jul/48 http://downloads.asterisk.org/pub/security/AST-2021-007.html http://packetstormsecurity.com/files/163638/Asterisk-Project-Security-Advisory-AST-2021-007.html https://downloads.digium.com/pub/security/AST-2021-007.html https://issues.asterisk.org/jira/browse/ASTERISK-29381
Copyright	Copyright (C) 2021 Greenbone AG

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