Bug 2048519 (CVE-2022-0413)

Summary:	CVE-2022-0413 vim: Use after free in src/ex_cmds.c
Product:	[Other] Security Response	Reporter:	Sandipan Roy <saroy>
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, sthirugn, tkasparek, vkrizan, vkumar, vmugicag, zdohnal
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	vim 8.2.4269	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in vim. The vulnerability occurs due to using freed memory when the substitute uses a recursive function call, resulting in a use-after-free vulnerability. 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 16:31:27 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:	2048520, 2048525, 2048526, 2048527, 2048730
Bug Blocks:	2048522

Description Sandipan Roy 2022-01-31 12:35:27 UTC

Use After Free in Conda vim prior to 8.2.

https://github.com/vim/vim/commit/37f47958b8a2a44abc60614271d9537e7f14e51a
https://huntr.dev/bounties/563d1e8f-5c3d-4669-941c-3216f4a87c38

Comment 1 Sandipan Roy 2022-01-31 12:35:50 UTC

Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2048520]

Comment 4 juneau 2022-01-31 17:53:00 UTC

Marking Services affected/delegated/low for presence of affected code.

In the vast majority of cases, the relevant package exists in a container image consumed by the service.
Recommend updating or replacing the container image (to update or remove the package) as appropriate.

Comment 7 errata-xmlrpc 2022-03-15 10:21:20 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 16:31:24 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-2022-0413