Test Kennung:	1.3.6.1.4.1.25623.1.0.106066
Kategorie:	JunOS Local Security Checks
Titel:	Junos TCP Timestamp DoS Vulnerability
Zusammenfassung:	Junos OS is prone to a denial of service vulnerability.
Beschreibung:	Summary: Junos OS is prone to a denial of service vulnerability. Vulnerability Insight: By manipulating TCP timestamps within a TCP session to a reachable listening port, it may be possible for an attacker to trigger a persistent buffer/socket resource exhaustion denial of service DoS attack. Normally, a networked device will time out a session after a number of unsuccessful retransmission events, occurring at increasing intervals. However, in this case, a crafted sequence of TCP packets will cause the device to not try to retransmit, allowing the attacker to create sockets that will be long-lived without the need to maintain state on them. Vulnerability Impact: An attacker can cause a denial of service condition. Affected Software/OS: Junos OS 12.1, 12.3, 13.2, 13.3, 14.1, 14.2 and 15.1 Solution: New builds of Junos OS software are available from Juniper. CVSS Score: 7.8 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2016-1269
Copyright	Copyright (C) 2016 Greenbone Networks GmbH

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