Bug 2118615 (CVE-2022-37035)

Summary:	CVE-2022-37035 frr: use-after-free bug due to race conditions in two threads
Product:	[Other] Security Response	Reporter:	TEJ RATHI <trathi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	mruprich, tkorbar, zpytela
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in bgpd in FRRouting (FRR). There is a possible use-after-free issue due to a race condition in bgp_notify_send_with_data() and bgp_process_packet() in bgp_packet.c. This issue can lead to remote code execution or information disclosure by sending crafted BGP packets.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-09-02 15:55:49 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:	2118616
Bug Blocks:	2114659

Description TEJ RATHI 2022-08-16 09:30:02 UTC

An issue was discovered in bgpd in FRRouting (FRR) 8.3. In bgp_notify_send_with_data() and bgp_process_packet() in bgp_packet.c, there is a possible use-after-free due to a race condition. This could lead to Remote Code Execution or Information Disclosure by sending crafted BGP packets. User interaction is not needed for exploitation.

https://docs.google.com/document/d/1TqYEcZbFeDTMKe2N4XRFwyAjw_mynIHfvzwbx1fmJj8/edit?usp=sharing
https://github.com/FRRouting/frr/issues/11698

Comment 1 TEJ RATHI 2022-08-16 09:30:21 UTC

Created frr tracking bugs for this issue:

Affects: fedora-all [bug 2118616]

Comment 2 Product Security DevOps Team 2022-09-02 15:55:47 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-2022-37035