Bug 2058628 (CVE-2022-26125)

Summary:	CVE-2022-26125 frrouting: overflow bugs in unpack_tlv_router_cap
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	fhrdina, mruprich, tkorbar
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	frrouting 8.2	Doc Type:	If docs needed, set a value
Doc Text:	frrouting is vulnerable to a flaw that can cause buffer overflow through due to incorrect checks on the input packet length when processing type-length-value packets. There is high impact to availability due to the fact that the process up-time can be made unreliable.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-12-04 20:22:57 UTC	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:	2072471, 2072472, 2072473
Bug Blocks:	2058651

Description Pedro Sampaio 2022-02-25 13:09:50 UTC

Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to wrong checks on the input packet length in isisd/isis_tlvs.c.

Upstream bug:

https://github.com/FRRouting/frr/issues/10507

Comment 1 devthomp 2022-04-06 11:26:52 UTC

Created frr tracking bugs for this issue:

Affects: fedora-all [bug 2072473]

Comment 3 devthomp 2022-04-10 15:23:45 UTC

patch:
https://github.com/FRRouting/frr/pull/10517/commits/9ba865f54d331c550629304cb25e77ac81455803

Comment 4 errata-xmlrpc 2022-11-15 10:17:47 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2022:8112 https://access.redhat.com/errata/RHSA-2022:8112

Comment 5 Product Security DevOps Team 2022-12-04 20:22:55 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2022-26125