Microsoft Windows up to Vista SP2 MAPI DLL Loader untrusted search path

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows 7 SP1/7 SP1/Server 2008 R2 SP1/Server 2008 SP2/Vista SP2 and classified as problematic. Affected by this issue is some unknown functionality of the component MAPI DLL Loader. Executing a manipulation can lead to untrusted search path. The identification of this vulnerability is CVE-2016-0020. The attack can only be executed locally. There is no exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows 7 SP1/7 SP1/Server 2008 R2 SP1/Server 2008 SP2/Vista SP2 (Operating System). It has been declared as problematic. This vulnerability affects an unknown code of the component MAPI DLL Loader. The manipulation with an unknown input leads to a untrusted search path vulnerability. The CWE definition for the vulnerability is CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1 mishandle DLL loading, which allows local users to gain privileges via a crafted application, aka "MAPI DLL Loading Elevation of Privilege Vulnerability."

The weakness was shared 01/12/2016 with Zero Day Initiative as MS16-007 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. This vulnerability was named CVE-2016-0020 since 12/04/2015. The attack needs to be approached locally. A single authentication is needed for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1574.

The vulnerability scanner Nessus provides a plugin with the ID 87890 (MS16-007: Security Update for Microsoft Windows to Address Remote Code Execution (3124901)), 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 91151 (Microsoft Windows Remote Code Execution Vulnerability (MS16-007)).

Applying the patch MS16-007 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 Tenable (87890), SecurityFocus (BID 79909†), SecurityTracker (ID 1034661†) and Vulnerability Center (SBV-55668†). The entries VDB-80219, VDB-80220, VDB-80221 and VDB-80222 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Support

  • end of life (old version)

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Untrusted search path
CWE: CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 87890
Nessus Name: MS16-007: Security Update for Microsoft Windows to Address Remote Code Execution (3124901)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802074
OpenVAS Name: Microsoft Windows Multiple Vulnerabilities (3124901)
OpenVAS File: 🔍
OpenVAS 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: MS16-007
Fortigate IPS: 🔍

Timelineinfo

12/04/2015 🔍
01/12/2016 +39 days 🔍
01/12/2016 +0 days 🔍
01/12/2016 +0 days 🔍
01/12/2016 +0 days 🔍
01/13/2016 +1 days 🔍
01/13/2016 +0 days 🔍
01/13/2016 +0 days 🔍
01/14/2016 +1 days 🔍
07/03/2022 +2362 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS16-007
Organization: Zero Day Initiative
Status: Confirmed

CVE: CVE-2016-0020 (🔍)
GCVE (CVE): GCVE-0-2016-0020
GCVE (VulDB): GCVE-100-80224
SecurityFocus: 79909 - Microsoft Windows MAPI DLL Loading CVE-2016-0020 Local Privilege Escalation Vulnerability
SecurityTracker: 1034661 - Microsoft Windows DLL Loading Errors Let Remote Users Execute Arbitrary Code and Local Users Gain Elevated Privileges
Vulnerability Center: 55668 - [MS16-007] Microsoft Windows Remote Privilege Escalation via a Crafted Application - CVE-2016-0020, Critical

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

Entryinfo

Created: 01/14/2016 10:43
Updated: 07/03/2022 09:17
Changes: 01/14/2016 10:43 (67), 04/07/2017 13:55 (24), 07/03/2022 09:17 (3)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!