Bug 1583371 (CVE-2018-11496)

Summary:	CVE-2018-11496 lrzip: Use after free in read_stream in stream.c
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	ppisar, redhat-bugzilla, shawn.starr
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-10 10:26:51 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:	1583375, 1583376
Bug Blocks:

Description Laura Pardo 2018-05-28 22:05:04 UTC

A flaw was found in Long Range Zip (aka lrzip) 0.631, there is a use-after-free in read_stream in stream.c, because decompress_file in lrzip.c lacks certain size validation.


References:
https://github.com/ckolivas/lrzip/issues/96

Comment 1 Laura Pardo 2018-05-28 22:05:35 UTC

Created lrzip tracking bugs for this issue:

Affects: epel-all [bug 1583375]
Affects: fedora-26 [bug 1583376]

Comment 2 Product Security DevOps Team 2019-06-10 10:26:51 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.