Bug 2051402 (CVE-2022-0529)

Summary:	CVE-2022-0529 unzip: Heap out-of-bound writes and reads during conversion of wide string to local string
Product:	[Other] Security Response	Reporter:	Sandipan Roy <saroy>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	carnil, jamartis, kdudka, nils_bars, pstodulk, trawets
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in Unzip. The vulnerability occurs during the conversion of a wide string to a local string that leads to a heap of out-of-bound write. This flaw allows an attacker to input a specially crafted zip file, leading to a crash.	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:	2051403, 2051404, 2051405
Bug Blocks:	2044584

Description Sandipan Roy 2022-02-07 08:07:19 UTC

Heap out-of-bound writes and reads during conversion of wide string to local string 
https://bugzilla.redhat.com/show_bug.cgi?id=2048572

Comment 1 Sandipan Roy 2022-02-07 08:07:37 UTC

Created unzip tracking bugs for this issue:

Affects: fedora-all [bug 2051403]

Comment 10 Stewart Smith 2025-12-05 22:44:39 UTC

I've brought over the patch from debian in https://src.fedoraproject.org/rpms/unzip/pull-request/10 and it's been one we've also been carrying in Amazon Linux for a while.