Bug 2094695 (CVE-2022-1968)

Summary:	CVE-2022-1968 vim: use-after-free in function utf_ptr2char at mbyte.c:1794
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	gchamoul, karsten, michal.skrivanek, mperina, sbonazzo, zdohnal
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	vim 8.2.5050	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in vim. The vulnerability occurs due to Illegal memory access and leads to a use-after-free vulnerability in the utf_ptr2char function. This flaw allows an attacker to input a specially crafted file, leading to a crash or code execution.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-06-08 13:49:45 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:	2094696
Bug Blocks:	2094697

Description Marian Rehak 2022-06-08 08:19:25 UTC

Use After Free in function utf_ptr2char at mbyte.c:1794.

Reference:

https://huntr.dev/bounties/949090e5-f4ea-4edf-bd79-cd98f0498a5b/

Comment 1 Marian Rehak 2022-06-08 08:19:40 UTC

Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2094696]

Comment 2 Product Security DevOps Team 2022-06-08 13:49:42 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-2022-1968