Microsoft Word/Office 2003/2007 XML External Entity Data information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Microsoft Word and Office 2003/2007. The affected element is an unknown function of the component XML External Entity Data Handler. The manipulation results in information disclosure. This vulnerability is identified as CVE-2013-3160. There is not any exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Microsoft Word and Office 2003/2007 (Word Processing Software). Affected is some unknown functionality of the component XML External Entity Data Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. CVE summarizes:

Microsoft Office 2003 SP3 and 2007 SP3, Word 2003 SP3 and 2007 SP3, and Word Viewer allow remote attackers to read arbitrary files via an XML document containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue, aka "XML External Entities Resolution Vulnerability."

The issue has been introduced in 11/17/2003. The weakness was released 09/10/2013 by Timur Yunusov, Alexey Osipov and Ilya Karpov with Positive Technologies as MS13-072 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. The public release was coordinated with the vendor. This vulnerability is traded as CVE-2013-3160 since 04/17/2013. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability was handled as a non-public zero-day exploit for at least 3585 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 69832 (MS13-072: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (2845537)), 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 110216 (Microsoft Office Remote Code Execution Vulnerability (MS13-072)).

Applying the patch MS13-072 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 databases at Tenable (69832), SecurityFocus (BID 62162†), OSVDB (97133†), Secunia (SA54737†) and Vulnerability Center (SBV-41434†). Further details are available at krebsonsecurity.com. Entries connected to this vulnerability are available at VDB-10188, VDB-10189, VDB-10190 and VDB-10191. Once again VulDB remains the best source for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 69832
Nessus Name: MS13-072: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (2845537)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 903401
OpenVAS Name: Microsoft Office Remote Code Execution Vulnerabilities (2845537)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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0-Day Time: 🔍
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Patch: MS13-072

Timelineinfo

11/17/2003 🔍
04/17/2013 +3439 days 🔍
09/10/2013 +146 days 🔍
09/10/2013 +0 days 🔍
09/10/2013 +0 days 🔍
09/10/2013 +0 days 🔍
09/10/2013 +0 days 🔍
09/11/2013 +1 days 🔍
09/11/2013 +0 days 🔍
09/11/2013 +0 days 🔍
09/11/2013 +0 days 🔍
05/24/2021 +2812 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS13-072
Researcher: Timur Yunusov, Alexey Osipov, Ilya Karpov
Organization: Positive Technologies
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2013-3160 (🔍)
GCVE (CVE): GCVE-0-2013-3160
GCVE (VulDB): GCVE-100-10236

OVAL: 🔍
IAVM: 🔍

SecurityFocus: 62162 - Microsoft Word CVE-2013-3160 XML Files Handling Information Disclosure Vulnerability
Secunia: 54737 - Microsoft Office Word Multiple Vulnerabilities, Highly Critical
OSVDB: 97133
Vulnerability Center: 41434 - [MS13-072] Microsoft Office Remote Information Disclosure Vulnerability via a Crafted XML File, Medium

Misc.: 🔍
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Entryinfo

Created: 09/11/2013 15:22
Updated: 05/24/2021 14:22
Changes: 09/11/2013 15:22 (92), 05/11/2017 08:34 (2), 05/24/2021 14:22 (3)
Complete: 🔍
Cache ID: 216:F21:103

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