Bug 2023347 (CVE-2005-2991)

Summary:	CVE-2005-2991 ncompress: insecure tmp file handling may lead to file overwrite
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	databases-maint, ovasik, panovotn, pkubat, praiskup
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	ncompress 4.2.4-r1	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-12-07 11:34:19 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:	2023348
Bug Blocks:	2025827

Description Marian Rehak 2021-11-15 13:28:37 UTC

Local users to overwrite arbitrary files via a symlink attack on temporary files using (1) zdiff or (2) zcmp, a different vulnerability than CVE-2004-0970.

Reference:

https://bugs.gentoo.org/104878

Comment 1 Marian Rehak 2021-11-15 13:29:46 UTC

Created ncompress tracking bugs for this issue:

Affects: fedora-all [bug 2023348]

Comment 2 Product Security DevOps Team 2021-12-07 11:34:17 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-2005-2991