Microsoft Windows Defender prior 4.2.223.0 on Windows 8/Windows RT Registry Path Value input validation

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Microsoft Windows Defender on Windows 8/Windows RT. Affected is an unknown function of the component Registry Path Value. Performing a manipulation results in input validation. This vulnerability is known as CVE-2013-0078. Attacking locally is a requirement. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Microsoft Windows Defender on Windows 8/Windows RT (Operating System). It has been classified as critical. This affects an unknown functionality of the component Registry Path Value. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The Microsoft Antimalware Client in Windows Defender on Windows 8 and Windows RT uses an incorrect pathname for MsMpEng.exe, which allows local users to gain privileges via a crafted application, aka "Microsoft Antimalware Improper Pathname Vulnerability."

The weakness was published 04/09/2013 by Bruce Monroe, Tony Robotham and Shai Sarfaty with Intel/Centrica as MS13-034 as confirmed bulletin (Microsoft Technet). The advisory is shared at technet.microsoft.com. The public release has been coordinated with Microsoft. This vulnerability is uniquely identified as CVE-2013-0078 since 11/27/2012. The exploitability is told to be difficult. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/28/2024).

The vulnerability scanner Nessus provides a plugin with the ID 65881 (MS13-034: Vulnerability in Microsoft Antimalware Client Could Allow Elevation of Privilege (2823482)), 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 121050 (Microsoft Antimalware Client Elevation of Privilege Vulnerability (MS13-034)).

Upgrading to version 4.2.223.0 eliminates this vulnerability. The upgrade is hosted for download at support.microsoft.com. Applying the patch MS13-034 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (65881), OSVDB (92128†), Secunia (SA52921†), SecurityTracker (ID 1028404†) and Vulnerability Center (SBV-39069†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.4
VulDB Temp Score: 8.0
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: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 65881
Nessus Name: MS13-034: Vulnerability in Microsoft Antimalware Client Could Allow Elevation of Privilege (2823482)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 901216
OpenVAS Name: Microsoft Antimalware Client Privilege Elevation Vulnerability (2823482)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Windows Defender 4.2.223.0
Patch: MS13-034

Timelineinfo

11/27/2012 🔍
04/09/2013 +133 days 🔍
04/09/2013 +0 days 🔍
04/09/2013 +0 days 🔍
04/09/2013 +0 days 🔍
04/09/2013 +0 days 🔍
04/09/2013 +0 days 🔍
04/10/2013 +1 days 🔍
04/10/2013 +0 days 🔍
04/10/2013 +0 days 🔍
12/28/2024 +4280 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS13-034
Researcher: Bruce Monroe, Tony Robotham, Shai Sarfaty
Organization: Intel/Centrica
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2013-0078 (🔍)
GCVE (CVE): GCVE-0-2013-0078
GCVE (VulDB): GCVE-100-8205

OVAL: 🔍

Secunia: 52921 - Microsoft Windows Defender Pathnames Handling Privilege Escalation Vulnerability, Less Critical
OSVDB: 92128
SecurityTracker: 1028404 - Microsoft Antimalware Client Path Name Flaw Lets Local Users Gain Elevated Privileges
Vulnerability Center: 39069 - [MS13-034] Microsoft Windows Defender Local Privilege Escalation due to Wrong Pathname for MsMpEng, High

Entryinfo

Created: 04/10/2013 16:02
Updated: 12/28/2024 22:42
Changes: 04/10/2013 16:02 (83), 05/03/2019 07:03 (3), 05/07/2021 02:01 (2), 12/28/2024 22:42 (16)
Complete: 🔍
Committer:
Cache ID: 216::103

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