When a specially crafted fragmented OSPFv3 packet containing an IPsec Authentication Header (AH) is received, it may trigger a kernel crash causing the RE to restart. Repeated receipt of the crafted fragment can represent an extended denial of service for the router.

Juniper SIRT is not aware of any malicious exploitation of this vulnerability.

No other Juniper Networks products or platforms are affected by this issue.

This issue has been assigned CVE-2014-6385 .

The following software releases have been updated to resolve this specific issue: Junos OS 11.4R13, 12.1X44-D45, 12.1X46-D30, 12.1X47-D15, 12.2R9, 12.3R7-S1, 12.3R8, 13.1R5, 13.2R6, 13.3R4, 14.1R2, 14.2R1, and all subsequent releases.

This issue is being tracked as PR 993022 and is visible on the Customer Support website.

KB16765 [juniper.net] - "In which releases are vulnerabilities fixed?" describes which release vulnerabilities are fixed as per our End of Engineering and End of Life support policies.

Discontinue use of the IPsec Authentication Header (AH) option for OSPFv3.

2015-01-14: Initial publication

• KB16613: Overview of the Juniper Networks SIRT Quarterly Security Bulletin Publication Process [juniper.net]
• KB16765: In which releases are vulnerabilities fixed? [juniper.net]
• KB16446: Common Vulnerability Scoring System (CVSS) and Juniper's Security Advisories [juniper.net]
• Report a Vulnerability - How to Contact the Juniper Networks Security Incident Response Team
• CVE-2014-6385​: Fragmented OSPFv3 packets with IPsec AH enabled triggers kernel crash