Bug 2196578 (CVE-2023-2426)

Summary:	CVE-2023-2426 vim: out-of-range Pointer offset in mb_charlen() of mbyte.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:	jburrell, kyoshida, zdohnal
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	vim 9.0.1499	Doc Type:	If docs needed, set a value
Doc Text:	An out-of-range pointer offset vulnerability was found in Vim's mb_charlen() function of the src/mbyte.c file. This flaw allows an attacker to trick a user into opening a specially crafted file, triggering the vulnerability that causes an application to crash, leading to a denial of service.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-05-10 14:33:32 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:	2196582, 2196583, 2196584
Bug Blocks:	2192388

Description TEJ RATHI 2023-05-09 13:10:12 UTC

Use of Out-of-range Pointer Offset in vim/vim prior to 9.0.1499.

https://huntr.dev/bounties/3451be4c-91c8-4d08-926b-cbff7396f425
https://github.com/vim/vim/commit/caf642c25de526229264cab9425e7c9979f3509b

Comment 1 TEJ RATHI 2023-05-09 13:13:02 UTC

Created vim tracking bugs for this issue:

Affects: fedora-36 [bug 2196582]
Affects: fedora-37 [bug 2196583]
Affects: fedora-38 [bug 2196584]

Comment 2 Product Security DevOps Team 2023-05-10 14:33:30 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-2023-2426