Bug 1111083 (CVE-2014-0247)

Summary:	CVE-2014-0247 libreoffice: VBA macros executed unconditionally
Product:	[Other] Security Response	Reporter:	Huzaifa S. Sidhpurwala <huzaifas>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	caolanm, jrusnack, sbergman, security-response-team
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:	It was found that LibreOffice documents executed macros unconditionally, without user approval, when these documents were opened using LibreOffice. An attacker could use this flaw to execute arbitrary code as the user running LibreOffice by embedding malicious VBA scripts in the document as macros.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2015-03-06 10:29:42 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:	1112450, 1164736
Bug Blocks:	1111085, 1121513

Description Huzaifa S. Sidhpurwala 2014-06-19 08:24:52 UTC

It was found that LibreOffice documents executed macros unconditionally, without user approval, when these documents were opened using LibreOffice. A attacker could use this flaw to execute arbitray code as the user running LibreOffice, by embedding malicious VBA scripts in the document as macros.

The following commit fixes this issue:
http://cgit.freedesktop.org/libreoffice/core/commit/?id=1b0402f87c9b17fef2141130bfaa1798ece6ba0d

Comment 1 Murray McAllister 2014-06-24 02:06:42 UTC

This issue is public now.

Comment 2 Murray McAllister 2014-06-24 02:07:50 UTC

Created libreoffice tracking bugs for this issue:

Affects: fedora-all [bug 1112450]

Comment 3 Huzaifa S. Sidhpurwala 2014-06-30 08:57:31 UTC

Statement:

(none)

Comment 4 Fedora Update System 2014-07-03 04:07:40 UTC

libreoffice-4.1.6.2-7.fc19 has been pushed to the Fedora 19 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 5 Kurt Seifried 2014-07-11 00:13:01 UTC

LibreOffice has released an advisory regarding this issue:

http://www.libreoffice.org/about-us/security/advisories/cve-2014-0247/

Title: CVE-2014-0247

Announced: July  10, 2014

Fixed in: LibreOffice 4.2.5

Description:

It was discovered during routine code review that LibreOffice >= 4.1.4/4.2.0 unconditionally executed certain VBA macros on loading Microsoft Office documents, contrary to user expectations.

Users are recommended to upgrade to 4.2.5.

Thanks to Stephen Bergmann of Red Hat, Inc. for discovering this flaw.

Comment 7 errata-xmlrpc 2015-03-05 08:50:16 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2015:0377 https://rhn.redhat.com/errata/RHSA-2015-0377.html