Bug 2049007 (CVE-2022-0407)

Summary:	CVE-2022-0407 vim: heap-based buffer overflow on read in yank_copy_line
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	caswilli, fjansen, gchamoul, jburrell, jwong, karsten, kaycoth, micjohns, sthirugn, vkrizan, vkumar, vmugicag, zdohnal
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	vim 8.2.4278	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in vim. The vulnerability occurs due to the read operation before the start of the line 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:		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:	2049008
Bug Blocks:	2048522

Description Marian Rehak 2022-02-01 10:33:43 UTC

Heap-buffer-overflow on read in yank_copy_line.

Reference:

https://huntr.dev/bounties/81822bf7-aafe-4d37-b836-1255d46e572c

Comment 1 Marian Rehak 2022-02-01 10:34:09 UTC

Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2049008]

Comment 3 juneau 2022-02-01 17:42:04 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.