CVE Vulnerability

CVE-2018-5381

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://gogs.quagga.net/Quagga/quagga/src/master/doc/security/Quagga-2018-1975.txt Vendor Advisory
http://www.kb.cert.org/vuls/id/940439 Third Party Advisory US Government Resource
http://savannah.nongnu.org/forum/forum.php?forum_id=9095 Third Party Advisory
https://www.debian.org/security/2018/dsa-4115 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/02/msg00021.html Mailing List Third Party Advisory
https://usn.ubuntu.com/3573-1/ Third Party Advisory
https://security.gentoo.org/glsa/201804-17 Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-451142.pdf Mitigation Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:quagga:quagga:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Information

Published : 2018-02-19 01:29

Updated : 2019-10-09 11:41

NVD link : CVE-2018-5381

Mitre link : CVE-2018-5381

Products Affected
No products.
CWE
CWE-835