Receipt of a specially crafted Connectionless Network Protocol (CLNP) packet destined to an interface IP address of a Junos OS device may result in a kernel crash or lead to remote code execution.
Devices are only vulnerable to the specially crafted CLNP packet if 'clns-routing' or ESIS is explicitly configured. Devices without CLNS enabled are not vulnerable to this issue.
This issue only affects devices running Junos OS 15.1. Affected releases are Juniper Networks Junos OS:
Earlier releases are unaffected by this vulnerability, and the issue has been resolved in Junos OS 16.1R1 and all subsequent releases.
The following configuration is required:
set protocols isis clns-routing
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-2018-0016 .
The following software releases have been updated to resolve this specific issue: 15.1F5-S3, 15.1F6-S8, 15.1F7, 15.1R5, 15.1X49-D60, 15.1X53-D66, 15.1X53-D233, 15.1X53-D471, 16.1R1, and all subsequent releases.
This issue is being tracked as 1167683 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/ .
Use access lists or firewall filters to limit access to the device via CLNP only from trusted hosts.
2018-04-11: Initial Publication