Bug 2278067 (CVE-2024-34088)

Summary:	CVE-2024-34088 frr: null pointer via get_edge() function can trigger a denial of service
Product:	[Other] Security Response	Reporter:	Robb Gatica <rgatica>
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 flaw was found in FRRouting (FRR). Some functions do not check the return value of the get_edge function in the ospfd/ospf_te.c file, allowing a NULL pointer dereference, causing a crash in the OSPF daemon, resulting in a denial of service.	Story Points:	---
Clone Of:		Environment:
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Regression:	---	Mount Type:	---
Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2278068
Bug Blocks:	2278063

Description Robb Gatica 2024-05-01 00:04:36 UTC

In FRRouting (FRR) through 9.1, it is possible for the get_edge() function in ospf_te.c in the OSPF daemon to return a NULL pointer. In cases where calling functions do not handle the returned NULL value, the OSPF daemon crashes, leading to denial of service.

Reference:
https://github.com/FRRouting/frr/pull/15674/commits/8c177d69e32b91b45bda5fc5da6511fa03dc11ca

Comment 1 Robb Gatica 2024-05-01 00:05:10 UTC

Created frr tracking bugs for this issue:

Affects: fedora-all [bug 2278068]