Bug 1598244 (CVE-2018-6541)

Summary:	CVE-2018-6541 zziplib: Bus error caused by loading of a misaligned address inzzip/zip.c
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	abokovoy, jamartis
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	zziplib 0.13.68	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-08-06 13:18:58 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:	1598245, 1598246, 1600108
Bug Blocks:	1598247

Description Laura Pardo 2018-07-04 21:12:26 UTC

A flaw was found in ZZIPlib 0.13.67, there is a bus error caused by loading of a misaligned address (when handling disk64_trailer local entries) in __zzip_fetch_disk_trailer (zzip/zip.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.


References:
https://github.com/gdraheim/zziplib/issues/16

Comment 1 Laura Pardo 2018-07-04 21:12:51 UTC

Created zziplib tracking bugs for this issue:

Affects: fedora-all [bug 1598246]

Comment 3 Riccardo Schirone 2018-07-11 12:31:55 UTC

Patch:
https://github.com/gdraheim/zziplib/commit/0c0c9256b0903f664bca25dd8d924211f81e01d3

Comment 6 errata-xmlrpc 2019-08-06 12:26:52 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:2196 https://access.redhat.com/errata/RHSA-2019:2196

Comment 7 Product Security DevOps Team 2019-08-06 13:18:58 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-2018-6541