Microsoft Office 2011 on Mac access control

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

A vulnerability was found in Microsoft Office 2011 on Mac (Office Suite Software) and classified as problematic. Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Microsoft Office for Mac 2011 uses world-writable permissions for the "Applications/Microsoft Office 2011/" directory and certain other directories, which allows local users to gain privileges by placing a Trojan horse executable file in one of these directories, aka "Office for Mac Improper Folder Permissions Vulnerability."

The weakness was presented 07/10/2012 with Microsoft as MS12-051 as confirmed bulletin (Microsoft Technet). The advisory is shared for download at technet.microsoft.com. This vulnerability is handled as CVE-2012-1894 since 03/22/2012. The attack needs to be approached locally. Required for exploitation is a simple authentication. Technical details are unknown but a private exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 59914 (MS12-051: Vulnerability in Microsoft Office for Mac Could Allow Elevation of Privilege (2721015) (Mac OS X)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 110186 (Microsoft Office for Mac Could Allow Elevation of Privileges (MS12-051)).

Applying the patch MS12-051 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. The problem might be mitigated by replacing the product with OpenOffice as an alternative. The best possible mitigation is suggested to be patching the affected component. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (59914), SecurityFocus (BID 54361†), OSVDB (83654†), Secunia (SA49876†) and Vulnerability Center (SBV-35531†). See VDB-5649 for similar entry.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
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CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Access: Private
Status: Proof-of-Concept

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Nessus ID: 59914
Nessus Name: MS12-051: Vulnerability in Microsoft Office for Mac Could Allow Elevation of Privilege (2721015) (Mac OS X)
Nessus File: 🔍
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OpenVAS ID: 901210
OpenVAS Name: Microsoft Office Privilege Elevation Vulnerability - 2721015 (Mac OS X)
OpenVAS File: 🔍
OpenVAS Family: 🔍

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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Patch: MS12-051
Alternative: OpenOffice

Timelineinfo

03/22/2012 🔍
07/10/2012 +110 days 🔍
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07/11/2012 +1 days 🔍
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07/11/2012 +0 days 🔍
01/02/2025 +4558 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS12-051
Organization: Microsoft
Status: Confirmed

CVE: CVE-2012-1894 (🔍)
OVAL: 🔍

SecurityFocus: 54361 - Microsoft Office for Mac Improper Folder Permissions Local Privilege Escalation Vulnerability
Secunia: 49876 - Microsoft Office for Mac Insecure Filesystem Permissions Security Issue, Less Critical
OSVDB: 83654
Vulnerability Center: 35531 - [MS12-051] Microsoft Office for Mac 2011 Improper Folder Permissions Vulnerability, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/11/2012 11:21 AM
Updated: 01/02/2025 01:07 PM
Changes: 07/11/2012 11:21 AM (77), 04/14/2017 02:11 PM (10), 03/26/2021 08:37 AM (3), 01/02/2025 01:07 PM (16)
Complete: 🔍
Cache ID: 18:E26:40

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