CVE-2020-13802 : Vulnerability Insights and Analysis

Rebar3 versions 3.0.0-beta.3 to 3.13.2 are vulnerable to OS command injection via URL parameter of dependency specification.

Understanding CVE-2020-13802

Rebar3 versions 3.0.0-beta.3 to 3.13.2 are susceptible to a critical OS command injection vulnerability.

What is CVE-2020-13802?

This CVE identifies a security flaw in Rebar3 versions 3.0.0-beta.3 to 3.13.2 that allows attackers to execute arbitrary operating system commands through the URL parameter of dependency specification.

The Impact of CVE-2020-13802

The vulnerability can be exploited by malicious actors to execute unauthorized commands on the affected system, potentially leading to unauthorized access, data theft, or system compromise.

Technical Details of CVE-2020-13802

Rebar3 versions 3.0.0-beta.3 to 3.13.2 are affected by an OS command injection vulnerability.

Vulnerability Description

The vulnerability in Rebar3 allows attackers to inject and execute arbitrary OS commands through the URL parameter of dependency specification.

Affected Systems and Versions

Rebar3 versions 3.0.0-beta.3 to 3.13.2

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the URL parameter of dependency specification to inject malicious OS commands.

Mitigation and Prevention

It is crucial to take immediate action to mitigate the risks associated with CVE-2020-13802.

Immediate Steps to Take

Update Rebar3 to a non-vulnerable version beyond 3.13.2.
Avoid processing user-controlled input as part of the dependency specification.
Implement input validation mechanisms to sanitize user inputs.

Long-Term Security Practices

Regularly monitor for security advisories and updates related to Rebar3.
Conduct security assessments and penetration testing to identify and address vulnerabilities.

Patching and Updates

Apply patches and updates provided by Rebar3 promptly to address the vulnerability and enhance system security.