Microsoft Windows 7 SP1/Server 2008 R2 SP1/Server 2008 SP2 MSC information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

A vulnerability was found in Microsoft Windows 7 SP1/Server 2008 R2 SP1/Server 2008 SP2 (Operating System). It has been rated as problematic. This issue affects an unknown function of the component MSC. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

The Microsoft Common Console Document (.msc) in Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1 allows an attacker to read arbitrary files via an XML external entity (XXE) declaration, due to the way that the Microsoft Common Console Document (.msc) parses XML input containing a reference to an external entity, aka "Windows Information Disclosure Vulnerability".

The bug was discovered 09/12/2017. The weakness was published 09/12/2017 as KB4039038 as confirmed security update guide (Website). The advisory is shared at portal.msrc.microsoft.com. The public release has been coordinated with Microsoft. The identification of this vulnerability is CVE-2017-8710 since 05/03/2017. The exploitation is known to be difficult. An attack has to be approached locally. The successful exploitation requires a simple authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue. The advisory points out:

An information disclosure vulnerability exists in the Microsoft Common Console Document (.msc) when it improperly parses XML input containing a reference to an external entity. An attacker who successfully exploited this vulnerability could read arbitrary files via an XML external entity (XXE) declaration.

The vulnerability scanner Nessus provides a plugin with the ID 103127 (Windows 7 and Windows Server 2008 R2 September 2017 Security Updates), 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.

Applying the patch KB4039038 is able to eliminate this problem. The bugfix is ready for download at catalog.update.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 (103127). Similar entries are available at 106502, 106454, 106472 and 106481.

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CPE 2.3info

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CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 4.4
VulDB Temp Score: 4.2
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Vendor Base Score (Microsoft): 4.4
Vendor Vector (Microsoft): 🔍

NVD Base Score: 5.5
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CVSSv2info

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Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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Nessus ID: 103127
Nessus Name: Windows 7 and Windows Server 2008 R2 September 2017 Security Updates
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802136
OpenVAS Name: Microsoft Windows Information Disclosure Vulnerability (KB4039038)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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Patch: KB4039038

Timelineinfo

05/03/2017 🔍
09/12/2017 +132 days 🔍
09/12/2017 +0 days 🔍
09/12/2017 +0 days 🔍
09/12/2017 +0 days 🔍
09/12/2017 +0 days 🔍
09/12/2017 +0 days 🔍
09/13/2017 +1 days 🔍
01/12/2021 +1217 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: KB4039038
Researcher: SaifAllah benMassaoud
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2017-8710 (🔍)
OVAL: 🔍

SecurityTracker: 1039325
SecurityFocus: 100793 - Microsoft Windows CVE-2017-8710 Information Disclosure Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20140213
See also: 🔍

Entryinfo

Created: 09/13/2017 14:16
Updated: 01/12/2021 08:38
Changes: 09/13/2017 14:16 (90), 12/04/2019 08:07 (5), 01/12/2021 08:36 (2), 01/12/2021 08:38 (1)
Complete: 🔍

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