2021-37841 | Docker Desktop access control

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.
5.3	$0-$5k	0.59

A vulnerability classified as critical was found in Docker Desktop up to 3.5.x (Virtualization Software). This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-284. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Docker Desktop before 3.6.0 suffers from incorrect access control. If a low-privileged account is able to access the server running the Windows containers, it can lead to a full container compromise in both process isolation and Hyper-V isolation modes. This security issue leads an attacker with low privilege to read, write and possibly even execute code inside the containers.

The weakness was disclosed 08/13/2021. This vulnerability was named CVE-2021-37841 since 08/02/2021. The exploitation appears to be easy. Access to the local network is required for this attack to succeed. Required for exploitation is a single authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 3.6.0 eliminates this vulnerability.

Type

Vendor

Name

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

AV	AC	Au	C	I	A
🔍	🔍	🔍	🔍	🔍	🔍
🔍	🔍	🔍	🔍	🔍	🔍
🔍	🔍	🔍	🔍	🔍	🔍

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Privilege escalation
CWE: CWE-284
ATT&CK: T1068

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Desktop 3.6.0

08/02/2021 CVE assigned
08/13/2021 +11 days Advisory disclosed
08/13/2021 +0 days VulDB entry created
08/18/2021 +5 days VulDB last updateStatus: Confirmed

CVE: CVE-2021-37841 (🔒)

Created: 08/13/2021 08:16
Updated: 08/18/2021 03:45
Changes: (2) source_cve_assigned source_cve_nvd_summary
Complete: 🔍

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