Bug 2049175 (CVE-2022-0392)

Summary:	CVE-2022-0392 vim: Heap-based buffer overflow in getexmodeline() 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:	caswilli, dhalasz, fhrdina, fjansen, gchamoul, jburrell, jwong, karsten, kaycoth, micjohns, saroy, sthirugn, tkasparek, vkrizan, vkumar, vmugicag, zdohnal
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	vim 8.2.4282	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 bracketed paste in Ex mode and leads 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 16:32:12 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:	2049176, 2049184, 2049403, 2049404
Bug Blocks:	2048522

Description Guilherme de Almeida Suckevicz 2022-02-01 17:09:19 UTC

Heap-based buffer overflow in GitHub repository vim/vim prior to 8.2.

Reference:
https://huntr.dev/bounties/d00a2acd-1935-4195-9d5b-4115ef6b3126

Upstream patch:
https://github.com/vim/vim/commit/806d037671e133bd28a7864248763f643967973a

Comment 1 Guilherme de Almeida Suckevicz 2022-02-01 17:09:35 UTC

Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2049176]

Comment 3 juneau 2022-02-01 17:41:57 UTC

Marking Services affected/wontreport.
Have already reported and filed trackers for CVE-2022-0408 and -0413 attached to same task.
Remediation is the same for all, and additional trackers add no value.

Comment 10 errata-xmlrpc 2022-03-15 10:21:27 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 11 Product Security DevOps Team 2022-03-15 16:32:09 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-2022-0392