CVE-2019-10799 : Exploit Details and Defense Strategies

compile-sass prior to version 1.0.5 allows the execution of arbitrary commands due to a command injection vulnerability.

Understanding CVE-2019-10799

What is CVE-2019-10799?

The vulnerability in compile-sass versions before 1.0.5 enables the execution of arbitrary commands through a specific function.

The Impact of CVE-2019-10799

The vulnerability allows attackers to execute arbitrary commands, posing a significant security risk to systems using affected versions of compile-sass.

Technical Details of CVE-2019-10799

Vulnerability Description

The issue arises from the "setupCleanupOnExit(cssPath)" function in the "dist/index.js" file, which is executed as part of the "rm" command without proper sanitization.

Affected Systems and Versions

Product: compile-sass
Vendor: n/a
Versions Affected: All versions prior to 1.0.5

Exploitation Mechanism

The vulnerability allows attackers to inject and execute arbitrary commands through the vulnerable function, potentially leading to unauthorized actions on the system.

Mitigation and Prevention

Immediate Steps to Take

Upgrade to version 1.0.5 or later of compile-sass to mitigate the vulnerability.
Implement input validation and proper command sanitization measures in the code.

Long-Term Security Practices

Regularly update software components to the latest secure versions.
Conduct security audits and code reviews to identify and address vulnerabilities proactively.

Patching and Updates

Apply patches and updates provided by the software vendor to address security issues and enhance system security.