CVE-2018-5378

Publication date 13 February 2018

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

The Quagga BGP daemon (bgpd) prior to version 1.2.3 does not properly bounds check the data sent with a NOTIFY to a peer, if an attribute length is invalid. Arbitrary data from the bgpd process may be sent over the network to a peer and/or bgpd may crash.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
quagga	17.10 artful	Fixed 1.1.1-3ubuntu0.2
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release

Notes

mdeslaur

this is Quagga-2018-0543

Severity score breakdown

Parameter	Value
Base score	5.9 · Medium
Attack vector	Network
Attack complexity	High
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-3573-1
Quagga vulnerabilities
16 February 2018