Bug 2273992 (CVE-2024-31949)

Summary:	CVE-2024-31949 frr: infinite loop
Product:	[Other] Security Response	Reporter:	ybuenos
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	Keywords:	Security
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	An infinite loop vulnerability was found in FRRouting. Malformed data when receiving an MP/GR capability as a dynamic capability can result in a pointer not advancing.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2273993
Bug Blocks:	2274005

Description ybuenos 2024-04-08 13:44:33 UTC

In FRRouting (FRR) through 9.1, an infinite loop can occur when receiving a MP/GR capability as a dynamic capability because malformed data results in a pointer not advancing.

https://github.com/FRRouting/frr/pull/15640
https://github.com/FRRouting/frr/pull/15640/commits/30a332dad86fafd2b0b6c61d23de59ed969a219b

Comment 1 ybuenos 2024-04-08 13:45:28 UTC

Created frr tracking bugs for this issue:

Affects: fedora-all [bug 2273993]