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Junos LDP DoS Vulnerability
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Junos OS is prone to a Denial of Service vulnerability with LDP enabled.
Insight
Insight
If LDP is enabled via the 'protocols ldp' configuration option on a device running Junos OS, receipt of a crafted LDP packet may cause the RPD routing process to crash and restart. The interface on which the packet arrives does not need to have LDP enabled. As long as one interface to the peer has LDP enabled, the packet will be sent to Routing Engine for further processing, exposing the router to a denial of service (RPD crash).
Affected Software
Affected Software
Junos OS 13.2, 13.3, 14.1, 14.2 and 15.1
Detection Method
Detection Method
Checks if a vulnerable OS build is present on the target host.
Solution
Solution
New builds of Junos OS software are available from Juniper. As a workaround disable LDP.