Microsoft Office 2007/2010 Computer Graphics Metafile memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

A vulnerability was found in Microsoft Office 2007/2010 (Office Suite Software) and classified as critical. This issue affects some unknown functionality. The manipulation as part of a Computer Graphics Metafile leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Microsoft Office 2007 SP2 and SP3 and 2010 SP1 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted Computer Graphics Metafile (CGM) file, aka "CGM File Format Memory Corruption Vulnerability."

The issue has been introduced in 01/30/2007. The weakness was published 08/14/2012 by Andrei Costin as MS12-057 as confirmed bulletin (Microsoft Technet). The advisory is shared at technet.microsoft.com. The public release has been coordinated with Microsoft. The identification of this vulnerability is CVE-2012-2524 since 05/09/2012. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a private exploit is available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2023 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 61532 (MS12-057: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (2731879)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins.

Applying the patch MS12-057 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (61532).

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
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CVSSv2info

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

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

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Nessus ID: 61532
Nessus Name: MS12-057: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (2731879)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902920
OpenVAS Name: Microsoft Office Remote Code Execution Vulnerability (2731879)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Patch: MS12-057
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Timelineinfo

01/30/2007 🔍
05/09/2012 +1926 days 🔍
08/14/2012 +97 days 🔍
08/14/2012 +0 days 🔍
08/14/2012 +0 days 🔍
08/14/2012 +0 days 🔍
08/14/2012 +0 days 🔍
08/14/2012 +0 days 🔍
08/14/2012 +0 days 🔍
08/15/2012 +1 days 🔍
08/15/2012 +0 days 🔍
08/16/2012 +1 days 🔍
03/27/2021 +3145 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS12-057
Researcher: Andrei Costin
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2012-2524 (🔍)
OVAL: 🔍
IAVM: 🔍

Vulnerability Center: 35863 - [MS12-057] Microsoft Office 2007 and Office 2010 Remote Code Execution via a Crafted CGM File, Critical
SecurityFocus: 54876 - Microsoft Office Memory Corruption CVE-2012-2524 Remote Code Execution Vulnerability
Secunia: 50251 - Microsoft Office CGM File Format Parsing Memory Corruption, Highly Critical
OSVDB: 84605

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

Entryinfo

Created: 08/16/2012 16:03
Updated: 03/27/2021 12:03
Changes: 08/16/2012 16:03 (82), 04/15/2017 16:30 (11), 03/27/2021 12:03 (2)
Complete: 🔍

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