An error handling vulnerability in Routing Protocols Daemon (RPD) of Juniper Networks Junos OS allows an attacker to cause RPD to crash. Continued receipt of this malformed MPLS RSVP packet will cause a sustained Denial of Service condition.
Affected releases are Juniper Networks Junos OS:
This issue does not affect versions of Junos OS before 14.1R1.
Junos OS RSVP only supports IPv4. IPv6 is not affected by this issue.
This issue require it to be received on an interface configured to receive this type of traffic.
The following minimal protocols configurations are required:
[protocols rsvp]
[protocols mpls interface]
Juniper SIRT is not aware of any malicious exploitation of this vulnerability.
This issue was found during internal product security testing or research.
This issue has been assigned CVE-2018-0050 .
The following software releases have been updated to resolve this specific issue: 14.1R8-S5, 14.1R9, 14.1X53-D130, 14.1X53-D48, 14.2R4, 15.1R1, and all subsequent releases.
This issue is being tracked as PR 1087100 which is visible on the Customer Support website.
Note: Juniper SIRT's policy is not to evaluate releases which are beyond End of Engineering (EOE) or End of Life (EOL).
Software Releases, patches and updates are available at https://www.juniper.net/support/downloads/ .
Remove MPLS configuration stanzas from interface configurations that are at risk.
No other workarounds exist for this issue.
2018-10-10: Initial publication