CVE-2021-25938 : Security Advisory and Response

ArangoDB versions v2.2.6.2 through v3.7.10 are vulnerable to Cross-Site Scripting (XSS) due to lack of validation in .zip file names and missing X-Frame-Options Header, increasing the risk of self XSS.

Understanding CVE-2021-25938

This CVE involves a security vulnerability in ArangoDB that could allow attackers to conduct Cross-Site Scripting attacks.

What is CVE-2021-25938?

ArangoDB versions v2.2.6.2 through v3.7.10 are susceptible to Cross-Site Scripting (XSS) due to inadequate validation of .zip file names, enabling attackers to name zip files with malicious characters. Additionally, the absence of the X-Frame-Options Header makes it easier for attackers to perform self XSS attacks.

The Impact of CVE-2021-25938

This vulnerability could be exploited by malicious actors to execute XSS attacks, potentially leading to unauthorized access, data theft, or complete system compromise.

Technical Details of CVE-2021-25938

ArangoDB versions v2.2.6.2 through v3.7.10 exhibit the following technical details:

Vulnerability Description

The vulnerability arises from a lack of validation in .zip file names and the absence of the X-Frame-Options Header, creating opportunities for XSS attacks.

Affected Systems and Versions

ArangoDB versions v2.2.6.2 through v3.7.10 are confirmed to be impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by forming zip files with malicious characters, leveraging the absence of X-Frame-Options Header to execute XSS attacks.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-25938, consider implementing the following measures:

Immediate Steps to Take

Update ArangoDB to the latest patched version.
Implement proper input validation mechanisms to prevent XSS attacks.

Long-Term Security Practices

Regularly monitor security advisories and update systems promptly.
Conduct regular security audits and assessments to identify vulnerabilities.

Patching and Updates

Stay informed about security updates and apply patches released by ArangoDB promptly to address this vulnerability.