shescape@0.4.1 vulnerabilities

simple shell escape library

Direct Vulnerabilities

Known vulnerabilities in the shescape package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • M
Improper Neutralization

shescape is a simple shell escape library

Affected versions of this package are vulnerable to Improper Neutralization due to possible escaping the wrong shell, thus allowing attackers to bypass protections. Note: you are only vulnerable if you are using this package on Windows in a threaded context.

How to fix Improper Neutralization?

Upgrade shescape to version 1.7.4 or higher.

<1.7.4
  • M
Information Exposure

shescape is a simple shell escape library

Affected versions of this package are vulnerable to Information Exposure such that an attacker may be able to get read-only access to environment variables.

Note:

This impact users of Shescape:

  1. On Windows using the Windows Command Prompt (i.e. cmd.exe), and
  2. Using quote/quoteAll or escape/escapeAll with the interpolation option set to true.

How to fix Information Exposure?

Upgrade shescape to version 1.7.1 or higher.

<1.7.1
  • M
Remote Code Execution (RCE)

shescape is a simple shell escape library

Affected versions of this package are vulnerable to Remote Code Execution (RCE) on Windows, when processing cmd.exe commands. An attacker can cause all arguments following their input to be ignored by including a line feed character ('\n') in the input.

How to fix Remote Code Execution (RCE)?

Upgrade shescape to version 1.5.8 or higher.

<1.5.8
  • M
Arbitrary Code Execution

shescape is a simple shell escape library

Affected versions of this package are vulnerable to Arbitrary Code Execution. Module vulnerable against shell injection if the attacker manages to insert a null character into the payload.

How to fix Arbitrary Code Execution?

Upgrade shescape to version 1.1.3 or higher.

<1.1.3