Bug 2083029 (CVE-2022-1620)

Summary:	CVE-2022-1620 vim: NULL Pointer Dereference in vim_regexec_string() of regexp.c
Product:	[Other] Security Response	Reporter:	TEJ RATHI <trathi>
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, michal.skrivanek, mperina, sbonazzo, zdohnal
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	vim 8.2.4901	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in vim, which is vulnerable to a NULL pointer dereference in vim_regexec_string() of the regexp.c function. This flaw allows a specially crafted file to crash software when opened in vim.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-08-10 11:46:45 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:	2083471, 2111906
Bug Blocks:	2083030

Description TEJ RATHI 2022-05-09 06:31:15 UTC

NULL Pointer Dereference in function vim_regexec_string at regexp.c in vim/vim prior to 8.2, allows attackers to cause a denial of service (application crash) via a crafted input.

https://huntr.dev/bounties/7a4c59f3-fcc0-4496-995d-5ca6acd2da51
https://github.com/vim/vim/commit/8e4b76da1d7e987d43ca960dfbc372d1c617466f

Comment 1 Marian Rehak 2022-05-10 07:48:14 UTC

Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2083471]