Microsoft Windows Vista/7/8/8.1 Media Center input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows Vista/7/8/8.1. It has been classified as critical. This vulnerability affects unknown code of the component Media Center. The manipulation leads to input validation. This vulnerability is documented as CVE-2015-6131. The attack can be initiated remotely. Additionally, an exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows Vista/7/8/8.1 (Operating System) and classified as critical. This issue affects an unknown code block of the component Media Center. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Windows Media Center in Microsoft Windows Vista SP2, Windows 7 SP1, Windows 8, and Windows 8.1 allows remote attackers to execute arbitrary code via a crafted .mcl file, aka "Media Center Library Parsing RCE Vulnerability."

The bug was discovered 12/08/2015. The weakness was released 12/08/2015 by NSFocus Security Team with NSFOCUS Security Team as MS15-134 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. The identification of this vulnerability is CVE-2015-6131 since 08/14/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 87263 (MS15-134: Security Update for Windows Media Center to Address Remote Code Execution (3108669)), 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 91137 (Microsoft Windows Media Center Remote Code Execution Vulnerability (MS15-134)).

Applying the patch MS15-134 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 Exploit-DB (38911), Tenable (87263), SecurityFocus (BID 78512†) and Vulnerability Center (SBV-54921†). Entry connected to this vulnerability is available at VDB-79510. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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  • end of life (old version)

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 87263
Nessus Name: MS15-134: Security Update for Windows Media Center to Address Remote Code Execution (3108669)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802074
OpenVAS Name: Microsoft Windows Media Center Remote Code Execution Vulnerability (3108669)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
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Patch: MS15-134

Timelineinfo

08/14/2015 🔍
12/08/2015 +116 days 🔍
12/08/2015 +0 days 🔍
12/08/2015 +0 days 🔍
12/08/2015 +0 days 🔍
12/08/2015 +0 days 🔍
12/08/2015 +0 days 🔍
12/09/2015 +1 days 🔍
12/09/2015 +0 days 🔍
12/09/2015 +0 days 🔍
06/29/2025 +3490 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS15-134
Researcher: NSFocus Security Team
Organization: NSFOCUS Security Team
Status: Confirmed

CVE: CVE-2015-6131 (🔍)
GCVE (CVE): GCVE-0-2015-6131
GCVE (VulDB): GCVE-100-79511
SecurityFocus: 78512 - Microsoft Windows CVE-2015-6131 Remote Code Execution Vulnerability
SecurityTracker: 1034335
Vulnerability Center: 54921 - [MS15-134] Microsoft Windows Media Center for Microsoft Windows Remote Code Execution via a Crafted .mcl File, Critical

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

Entryinfo

Created: 12/09/2015 13:27
Updated: 06/29/2025 17:19
Changes: 12/09/2015 13:27 (72), 07/07/2019 11:21 (14), 06/29/2022 09:29 (3), 06/29/2025 17:19 (14)
Complete: 🔍
Cache ID: 216:E50:103

Be aware that VulDB is the high quality source for vulnerability data.

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