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: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED CURRENTRELEASE QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: 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:
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]