Microsoft Word 2007 PAPX code injection

CVSS Meta Temp Score
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8.6$0-$5k0.00

A vulnerability was found in Microsoft Word 2007 (Word Processing Software). It has been classified as critical. This affects some unknown processing of the component PAPX Handler. The manipulation with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Microsoft Word 2007 SP2 and SP3 does not properly handle memory during the parsing of Word documents, which allows remote attackers to execute arbitrary code via a crafted document, aka "Word PAPX Section Corruption Vulnerability."

The weakness was released 10/09/2012 by TippingPoint with HP TippingPoint as MS12-064 as confirmed bulletin (Website). The advisory is shared at technet.microsoft.com. The public release was coordinated with Microsoft. This vulnerability is uniquely identified as CVE-2012-0182 since 12/13/2011. The exploitability is told to be difficult. Access to the local network is required for this attack to succeed. No form of authentication is needed for exploitation. Technical details are unknown but a private exploit is available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 62459 (MS12-064: Vulnerabilities in Microsoft Word Could Allow Remote Code Execution (2742319)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 110192 (Microsoft Word Remote Code Execution Vulnerability (MS12-064)).

Applying the patch MS12-064 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. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12596.

The vulnerability is also documented in the vulnerability database at Tenable (62459). Further details are available at technet.microsoft.com. Entries connected to this vulnerability are available at 6622, 6623, 6624 and 6625.

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CPE 2.3info

CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 9.6
VulDB Meta Temp Score: 8.6

VulDB Base Score: 9.6
VulDB Temp Score: 8.6
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CVSSv2info

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Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
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ATT&CK: 🔍

Local: No
Remote: Partially

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

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Nessus ID: 62459
Nessus Name: MS12-064: Vulnerabilities in Microsoft Word Could Allow Remote Code Execution (2742319)
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Countermeasuresinfo

Recommended: Patch
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Patch: MS12-064
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Timelineinfo

12/13/2011 🔍
10/09/2012 +301 days 🔍
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04/14/2021 +3108 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS12-064
Researcher: TippingPoint
Organization: HP TippingPoint
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2012-0182 (🔍)
OVAL: 🔍

SecurityTracker: 1027618 - Microsoft Word Memory Errors Let Remote Users Execute Arbitrary Code
Vulnerability Center: 36425 - [MS12-064] Microsoft Word 2007 PAPX Section Corruption Remote Code Execution Vulnerability, Critical
SecurityFocus: 55780 - Microsoft Word PAPX Section Corruption Remote Code Execution Vulnerability
Secunia: 50835 - Microsoft Products PAPX Section and listid Handling Vulnerabilities, Highly Critical
OSVDB: 86054

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

Created: 10/10/2012 11:12
Updated: 04/14/2021 17:35
Changes: 10/10/2012 11:12 (81), 04/17/2017 12:51 (14), 04/14/2021 17:35 (3)
Complete: 🔍
Committer:

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