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The shell-quote package before 1.7.3 for Node.js allows command injection. An attacker can inject unescaped shell metacharacters through a regex designed to support Windows drive letters. If the output of this package is passed to a real shell as a quoted argument to a command with exec(), an attacker can inject arbitrary commands. This is because the Windows drive letter regex character class is {A-z] instead of the correct {A-Za-z]. Several shell metacharacters exist in the space between capital letter Z and lower case letter a, such as the backtick character.
✔️ This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.
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CVE-2021-42740 (High) detected in shell-quote-1.7.2.tgz
CVE-2021-42740 (High) detected in shell-quote-1.7.2.tgz - autoclosed
Oct 21, 2022
CVE-2021-42740 - High Severity Vulnerability
quote and parse shell commands
Library home page: https://registry.npmjs.org/shell-quote/-/shell-quote-1.7.2.tgz
Path to dependency file: /package.json
Path to vulnerable library: /node_modules/shell-quote/package.json
Dependency Hierarchy:
Found in HEAD commit: 3912fdf164197aec6dc6c42ef1edc2f39d68619f
Found in base branch: master
The shell-quote package before 1.7.3 for Node.js allows command injection. An attacker can inject unescaped shell metacharacters through a regex designed to support Windows drive letters. If the output of this package is passed to a real shell as a quoted argument to a command with exec(), an attacker can inject arbitrary commands. This is because the Windows drive letter regex character class is {A-z] instead of the correct {A-Za-z]. Several shell metacharacters exist in the space between capital letter Z and lower case letter a, such as the backtick character.
Publish Date: 2021-10-21
URL: CVE-2021-42740
Base Score Metrics:
Type: Upgrade version
Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42740
Release Date: 2021-10-21
Fix Resolution (shell-quote): 1.7.3
Direct dependency fix Resolution (react-scripts): 5.0.0
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