CVE-2020-28724 : Exploit Details and Defense Strategies

An open redirect vulnerability in werkzeug before 0.11.6 allows attackers to exploit a double slash in the URL.

Understanding CVE-2020-28724

This CVE involves an open redirect vulnerability in werkzeug before version 0.11.6, which can be exploited through a specific URL manipulation.

What is CVE-2020-28724?

The vulnerability in werkzeug allows malicious actors to redirect users to malicious websites by manipulating URLs with double slashes.

The Impact of CVE-2020-28724

This vulnerability can be exploited by attackers to trick users into visiting malicious sites, potentially leading to phishing attacks or the download of malware.

Technical Details of CVE-2020-28724

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability exists in werkzeug versions prior to 0.11.6 and stems from improper handling of double slashes in URLs, enabling open redirects.

Affected Systems and Versions

Affected Product: Not applicable
Affected Vendor: Not applicable
Affected Version: Not applicable

Exploitation Mechanism

Attackers can craft URLs with double slashes to exploit the open redirect vulnerability in werkzeug, redirecting users to malicious websites.

Mitigation and Prevention

Protecting systems from CVE-2020-28724 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update werkzeug to version 0.11.6 or newer to mitigate the vulnerability.
Be cautious when clicking on URLs with unexpected or excessive slashes.

Long-Term Security Practices

Regularly update software and libraries to patch known vulnerabilities.
Educate users about the risks of clicking on suspicious links to prevent exploitation.

Patching and Updates

Ensure timely patching of werkzeug to the latest version to address the open redirect vulnerability.