Bug 2102183 (CVE-2022-2208)

Summary:	CVE-2022-2208 vim: null pointer dereference in function diff_check
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	gchamoul, karsten, zdohnal
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	vim 8.2.5163	Doc Type:	If docs needed, set a value
Doc Text:		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:	2102184, 2131299, 2131300
Bug Blocks:	2102155

Description Marian Rehak 2022-06-29 12:37:18 UTC

A null pointer dereference in function diff_check may lead to a DoS.

Reference:

https://github.com/vim/vim/commit/cd38bb4d83c942c4bad596835c6766cbf32e5195
https://huntr.dev/bounties/7bfe3d5b-568f-4c34-908f-a39909638cc1

Comment 1 Marian Rehak 2022-06-29 12:37:36 UTC

Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2102184]