Bug 2242926 (CVE-2023-5441)

Summary:	CVE-2023-5441 vim: NULL pointer dereference in screen_line() in src/screen.c
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	adudiak, agarcial, aoconnor, asegurap, bdettelb, caswilli, dkuc, fjansen, hkataria, jburrell, jsherril, kaycoth, kshier, luizcosta, nweather, stcannon, sthirugn, vkrizan, vmugicag, yguenane
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A NULL pointer dereference vulnerability was found in Vim. This flaw allows an attacker who can trick a user into processing a specially crafted file to trigger the NULL pointer dereference, causing the application to crash.	Story Points:	---
Clone Of:		Environment:
Last Closed:		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:	2242927
Bug Blocks:	2242840

Description Guilherme de Almeida Suckevicz 2023-10-09 18:27:48 UTC

NULL Pointer Dereference in GitHub repository vim/vim prior to 20d161ace307e28690229b68584f2d84556f8960.

References:
https://huntr.dev/bounties/b54cbdf5-3e85-458d-bb38-9ea2c0b669f2

Upstream patch:
https://github.com/vim/vim/commit/20d161ace307e28690229b68584f2d84556f8960

Comment 1 Guilherme de Almeida Suckevicz 2023-10-09 18:34:59 UTC

Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2242927]