Bug 2248526 (CVE-2023-38406)

Summary:	CVE-2023-38406 ffr: Flowspec overflow in bgpd/bgp_flowspec.c
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
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:	ffr 8.4.3	Doc Type:	---
Doc Text:	A flaw was found in bgpd/bgp_flowspec.c in the FFrouting BGP protocol code. An overflow may occur while processing zero length NLRI messages.	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:	2248527, 2249073
Bug Blocks:	2248211

Description Pedro Sampaio 2023-11-07 14:39:51 UTC

bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow."

References:

https://github.com/FRRouting/frr/pull/12884
https://github.com/FRRouting/frr/compare/frr-8.4.2...frr-8.4.3

Comment 2 Sandipan Roy 2023-11-10 14:35:17 UTC

Created frr tracking bugs for this issue:

Affects: fedora-all [bug 2249073]

Comment 3 errata-xmlrpc 2024-01-10 11:27:10 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:0130 https://access.redhat.com/errata/RHSA-2024:0130

Comment 4 errata-xmlrpc 2024-01-24 16:32:03 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:0477 https://access.redhat.com/errata/RHSA-2024:0477

Comment 5 errata-xmlrpc 2024-01-30 13:20:55 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Extended Update Support

Via RHSA-2024:0574 https://access.redhat.com/errata/RHSA-2024:0574

Comment 6 errata-xmlrpc 2024-03-05 08:19:21 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Extended Update Support

Via RHSA-2024:1093 https://access.redhat.com/errata/RHSA-2024:1093

Comment 7 errata-xmlrpc 2024-03-05 15:04:35 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Extended Update Support

Via RHSA-2024:1113 https://access.redhat.com/errata/RHSA-2024:1113

Comment 8 errata-xmlrpc 2024-03-05 18:01:32 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Extended Update Support

Via RHSA-2024:1152 https://access.redhat.com/errata/RHSA-2024:1152