CVE-2020-8910 : What You Need to Know

A URL parsing issue in goog.uri of the Google Closure Library versions up to and including v20200224 allows an attacker to send malicious URLs to be parsed by the library and return the wrong authority. Mitigation: update your library to version v20200315.

Understanding CVE-2020-8910

This CVE involves an authentication bypass vulnerability in Google's Closure-Library.

What is CVE-2020-8910?

CVE-2020-8910 is an authentication bypass vulnerability in the Google Closure Library versions up to and including v20200224, allowing attackers to manipulate URLs and potentially gain unauthorized access.

The Impact of CVE-2020-8910

The vulnerability has a CVSS base score of 6.5, indicating a medium severity issue with high confidentiality impact.

Technical Details of CVE-2020-8910

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The vulnerability in goog.uri of the Google Closure Library allows attackers to exploit a URL parsing issue, leading to an incorrect authority being returned.

Affected Systems and Versions

Product: Closure-Library
Vendor: Google
Versions affected: up to and including v20200224

Exploitation Mechanism

The vulnerability can be exploited by sending malicious URLs to the library, triggering the incorrect parsing of URLs.

Mitigation and Prevention

To address CVE-2020-8910, follow these mitigation steps:

Immediate Steps to Take

Update the Google Closure Library to version v20200315 to patch the vulnerability.

Long-Term Security Practices

Regularly update software libraries and dependencies to prevent security vulnerabilities.
Implement input validation mechanisms to sanitize user inputs and prevent malicious URL parsing.

Patching and Updates

Stay informed about security updates and patches released by Google for the Closure Library to address vulnerabilities.