Bug 2057187 (CVE-2022-0714)

Summary:	CVE-2022-0714 vim: buffer overflow
Product:	[Other] Security Response	Reporter:	Anten Skrabec <askrabec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	fhrdina, gchamoul, karsten, michal.skrivanek, mperina, sbonazzo, zdohnal
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	vim 8.2.4436	Doc Type:	If docs needed, set a value
Doc Text:	A heap-buffer-overflow flaw was found in vim's win_lbr_chartabsize() function of charset.c file. The issue occurs due to an incorrect 'vartabstop' value. This flaw allows an attacker to trick a user into opening a specially crafted file, triggering a heap-overflow, and can cause an application to crash, eventually leading to a denial of service.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-05-17 15:15:11 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:	2057704, 2057705, 2057781
Bug Blocks:	2057189

Description Anten Skrabec 2022-02-22 22:15:55 UTC

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 8.2.

https://github.com/vim/vim/commit/4e889f98e95ac05d7c8bd3ee933ab4d47820fdfa
https://huntr.dev/bounties/db70e8db-f309-4f3c-986c-e69d2415c3b3

Comment 1 Anten Skrabec 2022-02-23 21:18:34 UTC

Created vim tracking bugs for this issue:

Affects: fedora-34 [bug 2057705]
Affects: fedora-35 [bug 2057704]

Comment 5 Product Security DevOps Team 2022-05-17 15:15:08 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-2022-0714