CVE-2019-10800 : What You Need to Know

A vulnerability in the package codecov before version 2.0.16 allows for command injection due to unsanitized gcov arguments.

Understanding CVE-2019-10800

This CVE involves a command injection vulnerability in the codecov package.

What is CVE-2019-10800?

The vulnerability in codecov before version 2.0.16 arises from the lack of sanitization of gcov arguments before passing them to the popen method.

The Impact of CVE-2019-10800

The vulnerability has a CVSS base score of 6.5, with high confidentiality impact and proof-of-concept exploit code maturity.

Technical Details of CVE-2019-10800

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability allows for command injection due to unsanitized gcov arguments.

Affected Systems and Versions

Product: codecov
Versions affected: < 2.0.16
Version type: custom

Exploitation Mechanism

The lack of sanitization of gcov arguments enables threat actors to inject and execute arbitrary commands.

Mitigation and Prevention

Protecting systems from CVE-2019-10800 is crucial to maintaining security.

Immediate Steps to Take

Update codecov to version 2.0.16 or higher to mitigate the vulnerability.
Implement input validation to sanitize user inputs and prevent command injection.

Long-Term Security Practices

Regularly monitor and audit code for vulnerabilities like command injection.
Educate developers on secure coding practices to prevent similar issues in the future.

Patching and Updates

Stay informed about security updates for codecov and promptly apply patches to address known vulnerabilities.