Bug 2046479 (CVE-2022-0359)

Summary:	CVE-2022-0359 vim: Heap-based buffer overflow in init_ccline() in ex_getln.c
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	bdettelb, caswilli, dhalasz, fhrdina, fjansen, gchamoul, jburrell, jwong, karsten, kaycoth, micjohns, sthirugn, tkasparek, vkrizan, vkumar, vmugicag, zdohnal
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	vim 8.2.4227	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in vim. The vulnerability occurs due to Illegal memory access with large 'tabstop' in Ex mode, which can lead to a heap buffer overflow. This flaw allows an attacker to input a specially crafted file, leading to a crash or code execution.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-03-15 16:01:57 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:	2046480, 2046529, 2046607, 2046608, 2046609
Bug Blocks:	2046438

Description Guilherme de Almeida Suckevicz 2022-01-26 19:03:32 UTC

Heap-based Buffer Overflow in Conda vim prior to 8.2.

Reference:
https://huntr.dev/bounties/a3192d90-4f82-4a67-b7a6-37046cc88def

Upstream patch:
https://github.com/vim/vim/commit/85b6747abc15a7a81086db31289cf1b8b17e6cb1

Comment 1 Guilherme de Almeida Suckevicz 2022-01-26 19:03:46 UTC

Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2046480]

Comment 2 juneau 2022-01-26 21:29:09 UTC

Marking services affected/delegated for Yet Another Vim Flaw that is low/moderate in severity and unlikely to occur.

Comment 7 errata-xmlrpc 2022-03-15 10:21:10 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2022:0894 https://access.redhat.com/errata/RHSA-2022:0894

Comment 8 Product Security DevOps Team 2022-03-15 16:01:54 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-2022-0359