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Test Kennung:1.3.6.1.4.1.25623.1.0.106023
Kategorie:JunOS Local Security Checks
Titel:Junos BFD Crash Vulnerability
Zusammenfassung:Junos OS is prone to a vulnerability in BFD daemon.
Beschreibung:Summary:
Junos OS is prone to a vulnerability in BFD daemon.

Vulnerability Insight:
Receipt of a specially crafted BFD packet can cause the BFD
daemon (bfdd) to crash and restart, generating a bfdd core file. The issue can affect all configurations
and topologies utilizing BFD including: single-hop and multi-hop BFD, centralized and distributed mode BFD,
micro-BFD and LSP BFD. Note that the bfdd crash can be triggered by a crafted BFD packet even if BFD is
not enabled on the interface.

Vulnerability Impact:
Continuous receipt of crafted BFD packets could result in an extended
BFD outage, or in extreme cases could lead to remote code execution.

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. As a
workaround and BFD is not used at all, disable the BFD daemon by 'set system processes
neighbor-liveness disable'

CVSS Score:
9.3

CVSS Vector:
AV:N/AC:M/Au:N/C:C/I:C/A:C

Querverweis: Common Vulnerability Exposure (CVE) ID: CVE-2015-5362
http://www.securitytracker.com/id/1032844
CopyrightThis script is Copyright (C) 2015 Greenbone Networks GmbH

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