CVE-2018-5381

MEDIUM

Quagga < 1.2.3 - Denial of Service via BGP OPEN Message Capability Parsing

Title source: llm
STIX 2.1

Description

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.

References (8)

Core 8
Core References
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3573-1/
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4115
Third Party Advisory x_refsource_confirm
http://savannah.nongnu.org/forum/forum.php?forum_id=9095
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201804-17
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/02/msg00021.html
Third Party Advisory, US Government Resource third-party-advisory x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/940439
Mitigation, Third Party Advisory x_refsource_confirm
https://cert-portal.siemens.com/productcert/pdf/ssa-451142.pdf

Scores

CVSS v3 6.5
EPSS 0.3046
EPSS Percentile 98.0%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-228 CWE-835
Status published
Products (8)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 17.10
debian/debian_linux 7.0
debian/debian_linux 8.0
debian/debian_linux 9.0
quagga/quagga < 1.2.2
siemens/ruggedcom_rox_ii_firmware < 2.13.0
Published Feb 19, 2018
Tracked Since Feb 18, 2026