Bug 2120993 (CVE-2022-2946)

Summary:	CVE-2022-2946 vim: use after free in function vim_vsnprintf_typval
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	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 9.0.0246	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in vim, where it is vulnerable to a use-after-free in the vim_vsnprintf_typval function. This flaw allows a specially crafted file to crash a program, use unexpected values, or execute code.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-09-12 11:54:47 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:	2120994, 2123649, 2123650
Bug Blocks:	2120991

Description Marian Rehak 2022-08-24 09:20:20 UTC

Use After Free in GitHub repository vim/vim prior to 9.0.0245.

Reference:

https://huntr.dev/bounties/5d389a18-5026-47df-a5d0-1548a9b555d5
https://github.com/vim/vim/commit/adce965162dd89bf29ee0e5baf53652e7515762c

Comment 1 Marian Rehak 2022-08-24 09:20:37 UTC

Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2120994]