CVE-2018-5381

Published: 13 February 2018

The Quagga BGP daemon (bgpd) prior to version 1.2.3 has a bug in its parsing of "Capabilities" in BGP OPEN messages, in the bgp_packet.c:bgp_capability_msg_parse function. The parser can enter an infinite loop on invalid capabilities if a Multi-Protocol capability does not have a recognized AFI/SAFI, causing a denial of service.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
quagga
Launchpad, Ubuntu, Debian
Upstream
Released (1.2.3)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (0.99.24.1-2ubuntu1.4)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was released [0.99.22.4-3ubuntu1.5])