Bug 2238990 (CVE-2023-31489)

Summary:	CVE-2023-31489 frr: incorrect length check in bgp_capability_llgr() can lead do DoS
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	Keywords:	Security
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Hardware:	All
OS:	Linux
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Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in frr that may allow a remote attacker to cause a denial of service via the bgp_capability_llgr function.	Story Points:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2238991
Bug Blocks:	2238994

Description Guilherme de Almeida Suckevicz 2023-09-14 17:00:44 UTC

An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_capability_llgr() function.

Reference:
https://github.com/FRRouting/frr/issues/13098

Comment 1 Guilherme de Almeida Suckevicz 2023-09-14 17:00:59 UTC

Created frr tracking bugs for this issue:

Affects: fedora-all [bug 2238991]

Comment 4 errata-xmlrpc 2024-04-30 09:42:05 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:2156 https://access.redhat.com/errata/RHSA-2024:2156