Bug 1534337 (CVE-2018-5650)

Summary:	CVE-2018-5650 lrzip: Infinite loop in runzip.c:unzip_match can allow remote attacker to cause denial of service
Product:	[Other] Security Response	Reporter:	Sam Fowler <sfowler>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
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:	2019-06-08 03:37:05 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1534338, 1534339
Bug Blocks:

Description Sam Fowler 2018-01-15 04:09:28 UTC

In Long Range Zip (aka lrzip) 0.631, there is an infinite loop and application hang in the unzip_match function in runzip.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted lrz file.

References:
https://nvd.nist.gov/vuln/detail/CVE-2018-5650
https://github.com/ckolivas/lrzip/issues/88

Comment 1 Sam Fowler 2018-01-15 04:10:07 UTC

Created lrzip tracking bugs for this issue:

Affects: epel-all [bug 1534339]
Affects: fedora-all [bug 1534338]

Comment 2 Product Security DevOps Team 2019-06-08 03:37:05 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.