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ID de Prueba:1.3.6.1.4.1.25623.1.0.106505
Categoría:JunOS Local Security Checks
Título:Junos SRX Series: DoS Vulnerability in flowd
Resumen:Junos OS on SRX series is prone to a denial of service vulnerability.
Descripción:Summary:
Junos OS on SRX series is prone to a denial of service vulnerability.

Vulnerability Insight:
The flowd daemon on the primary node of an SRX Series chassis cluster may
crash and restart when attempting to synchronize a multicast session created via crafted multicast packets. Upon
the flowd crash, data plane redundancy groups will fail over to the secondary node in the chassis cluster while
flowd on the primary node restarts.

This issue only occurs in chassis cluster configurations, and only if PIM is enabled on the services gateway.

Vulnerability Impact:
An attacker may cause a denial of service condition.

Affected Software/OS:
Junos OS 12.1X46, 12.3X48 and 15.1X49 on SRX Series.

Solution:
New builds of Junos OS software are available from Juniper. As a workaround
disable transit multicast traffic by disabling PIM and isolate or disable the secondary node of the chassis
cluster until the fix is implemented.

CVSS Score:
5.0

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P

Referencia Cruzada: Common Vulnerability Exposure (CVE) ID: CVE-2017-2300
BugTraq ID: 95400
http://www.securityfocus.com/bid/95400
http://www.securitytracker.com/id/1037597
CopyrightThis script is Copyright (C) 2017 Greenbone Networks GmbH

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