Bug 1446500 (CVE-2017-8105)

Summary:	CVE-2017-8105 freetype: heap-based buffer overflow related to the t1_decoder_parse_charstrings
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	behdad, bmcclain, cfergeau, dblechte, eedri, erik-fedora, fedora-mingw, fonts-bugs, kevin, lsurette, mgoldboi, michal.skrivanek, mkasik, rbalakri, rh-spice-bugs, rjones, sardella, sherold, slawomir, srevivo, ykaul, ylavi
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:	2017-08-22 09:07:35 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:	1446501, 1446502, 1446503
Bug Blocks:	1446078, 1446505

Description Adam Mariš 2017-04-28 08:55:02 UTC

FreeType 2 before 2017-03-24 has an out-of-bounds write caused by a heap-based buffer overflow related to the t1_decoder_parse_charstrings function in psaux/t1decode.c.

Bug report:

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=935

Upstream patch:

https://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=f958c48ee431bef8d4d466b40c9cb2d4dbcb7791

Comment 1 Adam Mariš 2017-04-28 08:55:59 UTC

Created freetype tracking bugs for this issue:

Affects: fedora-all [bug 1446501]


Created mingw-freetype tracking bugs for this issue:

Affects: epel-7 [bug 1446503]
Affects: fedora-all [bug 1446502]

Comment 3 Stefan Cornelius 2017-08-22 09:07:53 UTC

Statement:

Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.