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ID de Prueba:
Categoría:JunOS Local Security Checks
Título:Junos TCP Timestamp DoS Vulnerability
Resumen:Junos OS is prone to a denial of service vulnerability.
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

New builds of Junos OS software are available from Juniper.

CVSS Score:

CVSS Vector:

Referencia Cruzada: Common Vulnerability Exposure (CVE) ID: CVE-2016-1269
CopyrightThis script is Copyright (C) 2016 Greenbone Networks GmbH

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