CVE-2020-14342 vulnerability in Canonical and Other Products
Published on September 9, 2020

It was found that cifs-utils' mount.cifs was invoking a shell when requesting the Samba password, which could be used to inject arbitrary commands. An attacker able to invoke mount.cifs with special permission, such as via sudo rules, could use this flaw to escalate their privileges.

Vendor Advisory Vendor Advisory Vendor Advisory Vendor Advisory NVD

Vulnerability Analysis

CVE-2020-14342 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.

Attack Vector:

LOCAL

Attack Complexity:

LOW

Privileges Required:

LOW

User Interaction:

NONE

Scope:

UNCHANGED

Confidentiality Impact:

LOW

Integrity Impact:

LOW

Availability Impact:

NONE

Weakness Type

What is a Command Injection Vulnerability?

The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

CVE-2020-14342 has been classified to as a Command Injection vulnerability or weakness.

Products Associated with CVE-2020-14342

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2020-14342 are published in these products:

Canonical Ubuntu Linux

Samba Cifs Utils

Fedora Project Fedora

OpenSuse Leap

Affected Versions

samba cifs-utils Version 6.11 is affected by CVE-2020-14342

Exploit Probability

EPSS

0.13%

Percentile

32.97%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.