Bug 1554380 (CVE-2018-7999)

Summary:	CVE-2018-7999 graphite2: NULL pointer dereference in Segment.cpp in libgraphite2
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED CURRENTRELEASE	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	caolanm, cschalle, gecko-bugs-nobody, jhorak, moceap, stransky, vanoudt
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	graphite2-1.3.13-1.fc30	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2018-03-15 06:38:56 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:	1554382, 1554383
Bug Blocks:	1554387

Description Laura Pardo 2018-03-12 15:06:10 UTC

A flaw was found in libgraphite2 in graphite2 1.3.11, a NULL pointer dereference vulnerability was found in Segment.cpp during a dumbRendering operation, which may allow attackers to cause a denial of service or possibly have unspecified other impact via a crafted .ttf file.


References:
https://github.com/silnrsi/graphite/issues/22

Upstream Patch:
https://github.com/silnrsi/graphite/commit/db132b4731a9b4c9534144ba3a18e65b390e9ff6

Comment 1 Laura Pardo 2018-03-12 15:07:19 UTC

Created graphite2 tracking bugs for this issue:

Affects: fedora-all [bug 1554383]