Microsoft Word 2007 Word File memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.5$0-$5k0.00

A vulnerability classified as very critical was found in Microsoft Word 2007 (Word Processing Software). This vulnerability affects an unknown functionality of the component Word File Handler. 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:

Microsoft Word 2007 SP3 and Office Compatibility Pack SP3 allow remote attackers to execute arbitrary code via a crafted Office document, aka "Memory Corruption Vulnerability."

The weakness was presented 10/08/2013 by Mateusz Jurczyk, Ivan Fratric and Ben Hawkes with Google Security Team as MS13-086 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. The public release was coordinated in cooperation with the vendor. This vulnerability was named CVE-2013-3892 since 06/03/2013. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/26/2021).

The vulnerability scanner Nessus provides a plugin with the ID 70338 (MS13-086: Vulnerabilities in Microsoft Word Could Allow Remote Code Execution (2885084)), 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 110222 (Microsoft Word Multiple Remote Code Execution Vulnerabilities (MS13-086)).

Applying the patch MS13-086 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 (70338). Additional details are provided at technet.microsoft.com. See 10633, 10634, 10635 and 10636 for similar entries.

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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: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 70338
Nessus Name: MS13-086: Vulnerabilities in Microsoft Word Could Allow Remote Code Execution (2885084)
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OpenVAS ID: 903406
OpenVAS Name: MS Office Compatibility Pack Remote Code Execution Vulnerabilities (2885084)
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Countermeasuresinfo

Recommended: Patch
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Patch: MS13-086

Timelineinfo

06/03/2013 🔍
08/10/2013 +68 days 🔍
10/03/2013 +53 days 🔍
10/08/2013 +5 days 🔍
10/08/2013 +0 days 🔍
10/08/2013 +0 days 🔍
10/09/2013 +1 days 🔍
10/09/2013 +0 days 🔍
10/11/2013 +2 days 🔍
05/26/2021 +2784 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS13-086
Researcher: Mateusz Jurczyk, Ivan Fratric, Ben Hawkes
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2013-3892 (🔍)
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IAVM: 🔍

Vulnerability Center: 41837 - [MS13-086] Microsoft Office 2007 and Compatibility Pack Remote Code Execution due to Memory Corruption - CVE-2013-3892, Critical
SecurityFocus: 62797
Secunia: 55143 - Microsoft Office Word Files Processing Two Memory Corruption Vulnerabilities, Highly Critical
OSVDB: 98222

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Entryinfo

Created: 10/11/2013 10:04
Updated: 05/26/2021 14:38
Changes: 10/11/2013 10:04 (85), 05/13/2017 09:36 (1), 05/26/2021 14:37 (3), 05/26/2021 14:38 (1)
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