Bug 2077734 (CVE-2022-1420)

Summary:	CVE-2022-1420 vim: Out-of-range Pointer Offset
Product:	[Other] Security Response	Reporter:	TEJ RATHI <trathi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	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 8.2.4774	Doc Type:	If docs needed, set a value
Doc Text:	A vulnerability was found in Vim. The issue occurs when using a number in a string for the lambda name, triggering an out-of-range pointer offset vulnerability. This flaw allows an attacker to trick a user into opening a crafted script containing an argument as a number and then using it as a string pointer to access any memory location, causing an application to crash and possibly access some memory.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-07-01 09:42:38 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:	2077781, 2077786, 2077787
Bug Blocks:	2077735

Description TEJ RATHI 2022-04-22 04:36:55 UTC

Use of Out-of-range Pointer Offset in GitHub repository vim/vim prior to 8.2.4774.

https://github.com/vim/vim/commit/8b91e71441069b1dde9ac9ff9d9a829b1b4aecca
https://huntr.dev/bounties/a4323ef8-90ea-4e1c-90e9-c778f0ecf326

Comment 1 TEJ RATHI 2022-04-22 09:00:37 UTC

Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2077781]

Comment 4 errata-xmlrpc 2022-06-28 14:58:24 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2022:5242 https://access.redhat.com/errata/RHSA-2022:5242

Comment 5 Product Security DevOps Team 2022-07-01 09:42:35 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-2022-1420