Bug 1444056 (CVE-2017-7882)

Summary:	CVE-2017-7882 libreoffice: Heap-buffer-overflow in HWPFile::TagsRead
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	caolanm, dtardon, erack, mstahl, sbergman
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:	2017-04-21 13:15:12 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:	1444065
Bug Blocks:	1444063

Description Andrej Nemec 2017-04-20 13:37:59 UTC

LibreOffice has an out-of-bounds write caused by a heap-based buffer overflow in the HWPFile::TagsRead function in hwpfilter/source/hwpfile.cxx.

References:

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=860

Upstream patch:

https://github.com/LibreOffice/core/commit/65dcd1d8195069c8c8acb3a188b8e5616c51029c

Comment 1 Andrej Nemec 2017-04-20 13:45:19 UTC

Created libreoffice tracking bugs for this issue:

Affects: fedora-all [bug 1444065]

Comment 2 Caolan McNamara 2017-04-21 11:19:35 UTC

This was a bug fix on March 14, 2017 for a bug introduced on March 2, 2017 and was never present in any release