Microsoft Office 2007 WPS Converter memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.7$0-$5k0.00

A vulnerability classified as critical was found in Microsoft Office 2007 (Office Suite Software). This vulnerability affects an unknown part of the component WPS Converter. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Heap-based buffer overflow in the Office Works File Converter in Microsoft Office 2007 SP2, Works 9, and Works 6-9 File Converter allows remote attackers to execute arbitrary code via a crafted Works (aka .wps) file, aka "Office WPS Converter Heap Overflow Vulnerability."

The issue has been introduced in 01/30/2007. The weakness was published 04/10/2012 by Shaun Colley with IOActive, Ltd. as MS12-028 as confirmed knowledge base article (Website). The advisory is available at technet.microsoft.com. The public release has been coordinated with the vendor. This vulnerability was named CVE-2012-0177 since 12/13/2011. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a private exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 1897 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 58660 (MS12-028: Vulnerability in Microsoft Office Could Allow Remote Code Execution (2639185)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 110179 (Microsoft Office Remote Code Execution Vulnerability (MS12-028)).

Applying the patch KB2596871 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12906.

The vulnerability is also documented in the databases at X-Force (74555), Tenable (58660), SecurityFocus (BID 52867†), OSVDB (81134†) and Secunia (SA48723†). Similar entry is available at VDB-5048.

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CPE 2.3info

CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 8.7

VulDB Base Score: 10.0
VulDB Temp Score: 8.7
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CVSSv2info

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Exploitinginfo

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

Local: No
Remote: Yes

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

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Nessus ID: 58660
Nessus Name: MS12-028: Vulnerability in Microsoft Office Could Allow Remote Code Execution (2639185)
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OpenVAS ID: 903017
OpenVAS Name: Microsoft Office Remote Code Execution Vulnerability (2639185)
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Patch: KB2596871
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Timelineinfo

01/30/2007 🔍
12/13/2011 +1778 days 🔍
04/10/2012 +119 days 🔍
04/10/2012 +0 days 🔍
04/10/2012 +0 days 🔍
04/10/2012 +0 days 🔍
04/10/2012 +0 days 🔍
04/10/2012 +0 days 🔍
04/11/2012 +1 days 🔍
04/11/2012 +0 days 🔍
04/11/2012 +0 days 🔍
01/05/2025 +4652 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS12-028
Researcher: Shaun Colley
Organization: IOActive, Ltd.
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2012-0177 (🔍)
OVAL: 🔍
IAVM: 🔍

X-Force: 74555
SecurityFocus: 52867 - Microsoft Office Works File Converter (CVE-2012-0177) Heap Based Buffer Overflow Vulnerability
Secunia: 48723 - Microsoft Office/Works WPS Converter Buffer Overflow Vulnerability, Highly Critical
OSVDB: 81134
SecurityTracker: 1026910 - Microsoft Works WPS File Heap Overflow Lets Remote Users Execute Arbitrary Code
Vulnerability Center: 34845 - [MS12-028] Microsoft Office Works File Convertor Buffer Overflow Allows Remote Code Execution, Critical

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

Created: 04/11/2012 03:17 PM
Updated: 01/05/2025 03:36 AM
Changes: 04/11/2012 03:17 PM (88), 04/11/2017 10:37 AM (12), 03/22/2021 05:03 PM (2), 01/05/2025 03:36 AM (17)
Complete: 🔍
Cache ID: 18:B1E:40

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