Microsoft Malware Protection Engine 1.1.9402.0 File Scan memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Microsoft Malware Protection Engine 1.1.9402.0. This affects an unknown part of the component File Scan Handler. The manipulation as part of File leads to memory corruption. This vulnerability is uniquely identified as CVE-2013-1346. Moreover, an exploit is present. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Microsoft Malware Protection Engine 1.1.9402.0 (Anti-Malware Software). It has been rated as critical. This issue affects an unknown code of the component File Scan Handler. The manipulation as part of a File leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

mpengine.dll in Microsoft Malware Protection Engine before 1.1.9506.0 on x64 platforms allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted file.

The weakness was disclosed 05/14/2013 as 2846338 as confirmed advisory (Website). It is possible to read the advisory at technet.microsoft.com. The public release has been coordinated in cooperation with Microsoft. The identification of this vulnerability is CVE-2013-1346 since 01/12/2013. 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.

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 66425 (MS Security Advisory 2846338: Vulnerability in Microsoft Malware Protection Engine Could Allow Remote Code Execution), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 121195 (Microsoft Malware Protection Engine Remote Code Execution (MSA-2846338)).

Upgrading to version 1.1.9506.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. The problem might be mitigated by replacing the product with Avast! Antivirus as an alternative. 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. According to Microsoft, the update should be automatically applied within 48 hours by the built-in mechanism for the automatic detection and deployment of updates.

The vulnerability is also documented in the databases at X-Force (84266), Tenable (66425), OSVDB (93396†), Secunia (SA53444†) and Vulnerability Center (SBV-39629†). support.microsoft.com is providing further details. 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: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 66425
Nessus Name: MS Security Advisory 2846338: Vulnerability in Microsoft Malware Protection Engine Could Allow Remote Code Execution
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Malware Protection Engine 1.1.9506.0
Patch: technet.microsoft.com
Alternative: Avast! Antivirus

Timelineinfo

01/12/2013 🔍
05/14/2013 +122 days 🔍
05/14/2013 +0 days 🔍
05/14/2013 +0 days 🔍
05/15/2013 +1 days 🔍
05/15/2013 +0 days 🔍
05/15/2013 +0 days 🔍
05/15/2013 +0 days 🔍
05/16/2013 +1 days 🔍
05/11/2021 +2917 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: 2846338
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-1346 (🔍)
GCVE (CVE): GCVE-0-2013-1346
GCVE (VulDB): GCVE-100-8747

IAVM: 🔍

X-Force: 84266
Secunia: 53444 - Microsoft Products Malware Protection Engine File Parsing Vulnerability, Highly Critical
OSVDB: 93396
Vulnerability Center: 39629 - Microsoft Malware Protection Engine Remote Arbitrary Code Execution via a Maliciously Crafted File, Critical

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍

Entryinfo

Created: 05/15/2013 17:37
Updated: 05/11/2021 14:38
Changes: 05/15/2013 17:37 (85), 04/30/2017 10:34 (1), 05/11/2021 14:38 (2)
Complete: 🔍
Cache ID: 216:C2F:103

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