Bug 2273995 (CVE-2024-31950)

Summary:	CVE-2024-31950 frr: buffer overflow and daemon crash in ospf_te_parse_ri
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:	---
Doc Text:	A buffer overflow vulnerability was found in FRRouting. There can be a buffer overflow and daemon crash in ospf_te_parse_ri for OSPF LSA packets during an attempt to read Segment Routing subTLVs.	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:	2273996
Bug Blocks:	2274005

Description ybuenos 2024-04-08 14:03:10 UTC

In FRRouting (FRR) through 9.1, there can be a buffer overflow and daemon crash in ospf_te_parse_ri for OSPF LSA packets during an attempt to read Segment Routing subTLVs (their size is not validated).

https://github.com/FRRouting/frr/pull/15674/
https://github.com/FRRouting/frr/pull/15674/commits/6b84541df71772f697a7f9e6b2aaf72536aab775

Comment 1 ybuenos 2024-04-08 14:03:56 UTC

Created frr tracking bugs for this issue:

Affects: fedora-all [bug 2273996]