Bug 1539898 (CVE-2018-6358)

Summary:	CVE-2018-6358 ming: Heap-based buffer overflow in printDefineFont2 function in util/listfdb.c
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	dominik
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 03:38:41 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:	1539900
Bug Blocks:

Description Pedro Sampaio 2018-01-29 19:58:08 UTC

The printDefineFont2 function (util/listfdb.c) in libming through 0.4.8 is vulnerable to a heap-based buffer overflow, which may allow attackers to cause a denial of service or unspecified other impact via a crafted FDB file.

Upstream bug:

https://github.com/libming/libming/issues/104

Comment 1 Pedro Sampaio 2018-01-29 19:58:28 UTC

Created ming tracking bugs for this issue:

Affects: fedora-all [bug 1539900]

Comment 2 Product Security DevOps Team 2019-06-08 03:38:41 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.