Bug 1222528 (CVE-2024-31951)

Summary:	VUL-0: CVE-2024-31951: frr,quagga: buffer overflow in ospf_te_parse_ext_link
Product:	[Novell Products] SUSE Security Incidents	Reporter:	SMASH SMASH <smash_bz>
Component:	Incidents	Assignee:	Security Team bot <security-team>
Status:	RESOLVED FIXED	QA Contact:	Security Team bot <security-team>
Severity:	Major
Priority:	P3 - Medium	CC:	mt, stefan.fent, stoyan.manolov, thomas.leroy
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/400635/
Whiteboard:	CVSSv3.1:SUSE:CVE-2024-31951:8.1:(AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---

Description SMASH SMASH 2024-04-09 10:00:44 UTC

In the Opaque LSA Extended Link parser in FRRouting (FRR) through 9.1, there can be a buffer overflow and daemon crash in ospf_te_parse_ext_link for OSPF LSA packets during an attempt to read Segment Routing Adjacency SID subTLVs (lengths are not validated).

References:
https://github.com/FRRouting/frr/pull/15674/
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-31951
https://www.cve.org/CVERecord?id=CVE-2024-31951
https://github.com/FRRouting/frr/pull/15674/commits/344fb4be2bc27316c74b17003c05ea40be395836
https://bugzilla.redhat.com/show_bug.cgi?id=2273999

Comment 1 Thomas Leroy 2024-04-09 10:04:38 UTC

Upstream fix is not merged yet.

Tracking frr only as affected:
- SUSE:SLE-15-SP5:Update/frr
- openSUSe:Factory/frr

SUSE:SLE-15-SP3:Update/frr is not affected.

Comment 7 Maintenance Automation 2024-06-10 20:30:01 UTC

SUSE-SU-2024:1971-1: An update that solves three vulnerabilities can now be installed.

Category: security (important)
Bug References: 1222526, 1222528, 1223786
CVE References: CVE-2024-31950, CVE-2024-31951, CVE-2024-34088
Maintenance Incident: [SUSE:Maintenance:34170](https://smelt.suse.de/incident/34170/)
Sources used:
openSUSE Leap 15.5 (src):
 frr-8.4-150500.4.23.1
openSUSE Leap 15.6 (src):
 frr-8.4-150500.4.23.1
Server Applications Module 15-SP5 (src):
 frr-8.4-150500.4.23.1
Server Applications Module 15-SP6 (src):
 frr-8.4-150500.4.23.1

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.

Comment 8 Andrea Mattiazzo 2024-06-11 10:14:42 UTC

All done, closing.