Microsoft Malware Protection Engine up to 1.1.10600.0 input validation

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

Summaryinfo

A vulnerability marked as problematic has been reported in Microsoft Malware Protection Engine up to 1.1.10600.0. Affected is an unknown function. The manipulation leads to input validation. This vulnerability is documented as CVE-2014-2779. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft Malware Protection Engine up to 1.1.10600.0 (Anti-Malware Software) and classified as problematic. This issue affects an unknown code. 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 availability. The summary by CVE is:

mpengine.dll in Microsoft Malware Protection Engine before 1.1.10701.0 allows remote attackers to cause a denial of service (system hang) via a crafted file.

The weakness was released 06/17/2014 by Tavis Ormandy with Google Project Zero as 2974294 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. The public release was coordinated with Microsoft. The identification of this vulnerability is CVE-2014-2779 since 04/10/2014. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 76123 (MS Security Advisory 2974294: Vulnerability in Microsoft Malware Protection Engine Could Allow Denial of Service), 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 122135 (Microsoft Malware Protection Engine Denial of Service Vulnerability (KB2974294)).

Applying the patch 2974294 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 X-Force (93843), Tenable (76123), SecurityFocus (BID 68076†), Secunia (SA59337†) and SecurityTracker (ID 1030438†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Microsoft Forefront Client Security
  • Microsoft Forefront Endpoint Protection
  • Microsoft Forefront Security for SharePoint
  • Microsoft System Center Endpoint Protection
  • Microsoft Malicious Software Removal Tool
  • Microsoft Security Essentials
  • Microsoft Windows Defender
  • Microsoft Windows Intune Endpoint Protection

Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 76123
Nessus Name: MS Security Advisory 2974294: Vulnerability in Microsoft Malware Protection Engine Could Allow Denial of Service
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: 2974294

Timelineinfo

04/10/2014 🔍
06/17/2014 +68 days 🔍
06/17/2014 +0 days 🔍
06/17/2014 +0 days 🔍
06/17/2014 +0 days 🔍
06/17/2014 +0 days 🔍
06/18/2014 +1 days 🔍
06/18/2014 +0 days 🔍
06/18/2014 +0 days 🔍
06/19/2014 +1 days 🔍
03/12/2015 +266 days 🔍
07/12/2021 +2314 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: 2974294
Researcher: Tavis Ormandy
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2014-2779 (🔍)
GCVE (CVE): GCVE-0-2014-2779
GCVE (VulDB): GCVE-100-29831

IAVM: 🔍

X-Force: 93843 - Multiple Microsoft products Malware Protection Engine denial of service, High Risk
SecurityFocus: 68076 - Microsoft Malware Protection Engine CVE-2014-2779 Remote Denial of Service Vulnerability
Secunia: 59337 - Microsoft Products Malware Protection Engine File Parsing Denial of Service Vulnerability, Moderately Critical
SecurityTracker: 1030438
Vulnerability Center: 45048 - Microsoft Malware Protection Engine before 1.1.10701.0 Remote DoS via a Crafted File - CVE-2014-2779, Medium

Entryinfo

Created: 03/12/2015 12:19
Updated: 07/12/2021 07:57
Changes: 03/12/2015 12:19 (76), 05/31/2017 08:51 (13), 07/12/2021 07:57 (3)
Complete: 🔍
Cache ID: 216:9D0:103

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