McAfee True Key up to 4.20 Windows Client 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.
5.9$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in McAfee True Key up to 4.20. The affected element is an unknown function of the component Windows Client. Executing a manipulation can lead to untrusted search path. This vulnerability appears as CVE-2018-6661. The attack requires local access. In addition, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in McAfee True Key up to 4.20 and classified as problematic. This vulnerability affects an unknown function of the component Windows Client. 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:

DLL Side-Loading vulnerability in Microsoft Windows Client in McAfee True Key before 4.20.110 allows local users to gain privilege elevation via not verifying a particular DLL file signature.

The bug was discovered 03/30/2018. The weakness was presented 04/02/2018 (Website). The advisory is shared for download at service.mcafee.com. This vulnerability was named CVE-2018-6661 since 02/06/2018. The attack needs to be approached locally. The successful exploitation requires a single authentication. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1574.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370867 (McAfee True Key DLL Side Loading vulnerability (TS102801)).

Upgrading to version 4.20.110 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (45961). See VDB-127671, VDB-127672 and VDB-127673 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
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: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

OpenVAS ID: 53323
OpenVAS Name: McAfee True Key DLL Side Loading Privilege Elevation Vulnerability (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: True Key 4.20.110

Timelineinfo

02/06/2018 🔍
03/30/2018 +52 days 🔍
04/02/2018 +3 days 🔍
04/02/2018 +0 days 🔍
04/02/2018 +0 days 🔍
02/08/2021 +1043 days 🔍

Sourcesinfo

Vendor: mcafee.com

Advisory: service.mcafee.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-6661 (🔍)
GCVE (CVE): GCVE-0-2018-6661
GCVE (VulDB): GCVE-100-115528
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 04/03/2018 00:11
Updated: 02/08/2021 09:47
Changes: 04/03/2018 00:11 (65), 01/20/2020 09:55 (7), 02/08/2021 09:47 (2)
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!