samba-client Package up to 3.x on Node.js process.exec command injection

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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.
7.3	$0-$5k	0.00

A vulnerability was found in samba-client Package up to 3.x on Node.js (File Transfer Software). It has been classified as critical. This affects the function process.exec. The manipulation with an unknown input leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-77. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The samba-client package before 4.0.0 for Node.js allows command injection because of the use of process.exec.

The weakness was presented 02/11/2021 as 5bc3bbad9b8d02243bc861a11ec73f788fbb1235. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2021-27185 since 02/10/2021. The exploitability is told to be easy. The attack can only be initiated within the local network. A authentication is required for exploitation. Technical details are known, but no exploit is available.

Upgrading to version 4.0.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Productinfoedit

Type

File Transfer Software

Name

samba-client Package

CPE 2.3infoedit

🔒

CPE 2.2infoedit

🔒

CVSSv3infoedit

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.3

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

NVD Base Score: 9.8
NVD Vector: 🔒

CVSSv2infoedit

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🔍	🔍	🔍	🔍	🔍	🔍
🔍	🔍	🔍	🔍	🔍	🔍

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

NVD Base Score: 🔒

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-77
ATT&CK: Unknown

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

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: samba-client Package 4.0.0
Patch: github.com

Timelineinfoedit

02/10/2021 CVE assigned
02/11/2021 +1 days Advisory disclosed
02/11/2021 +0 days VulDB entry created
02/28/2021 +17 days VulDB last update

Sourcesinfoedit

Advisory: 5bc3bbad9b8d02243bc861a11ec73f788fbb1235
Status: Confirmed

CVE: CVE-2021-27185 (🔒)

Entryinfoedit