Bug 2102159 (CVE-2022-2183)

Summary:	CVE-2022-2183 vim: out-of-bounds read through get_lisp_indent() in function get_lisp_indent
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	gchamoul, karsten, zdohnal
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	vim 8.2.5151	Doc Type:	If docs needed, set a value
Doc Text:	AV:L/AC:L/PR:N/UI:R/S:U/ C:H ==> C:N I:H ==> I:N A:H ==> A:L	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:	2102160, 2128098, 2128099
Bug Blocks:	2102155

Description Marian Rehak 2022-06-29 12:17:19 UTC

Out-of-bounds Read in function get_lisp_indent capable of crashing software, modify memory, and possible remote execution.

Reference:

https://github.com/vim/vim/commit/8eba2bd291b347e3008aa9e565652d51ad638cfa
https://huntr.dev/bounties/d74ca3f9-380d-4c0a-b61c-11113cc98975

Comment 1 Marian Rehak 2022-06-29 12:17:33 UTC

Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2102160]