CVE-2020-5339 : Exploit Details and Defense Strategies

RSA Authentication Manager versions prior to 8.4 P10 contain a stored cross-site scripting vulnerability that could allow an attacker to execute arbitrary code.

Understanding CVE-2020-5339

RSA Authentication Manager is affected by a stored XSS vulnerability that could be exploited by a malicious administrator to inject scripts into the Security Console.

What is CVE-2020-5339?

This CVE refers to a stored cross-site scripting vulnerability in RSA Authentication Manager versions before 8.4 P10. An attacker with advanced privileges could inject malicious scripts through the Security Console, potentially leading to script execution in other administrators' browsers.

The Impact of CVE-2020-5339

The vulnerability has a CVSS base score of 4.8 (Medium severity) and requires high privileges for exploitation. It poses a risk of executing arbitrary HTML or JavaScript code in affected Security Console instances.

Technical Details of CVE-2020-5339

RSA Authentication Manager's vulnerability details and impact.

Vulnerability Description

The vulnerability allows a malicious Security Console administrator to store and execute arbitrary HTML or JavaScript code through the web interface, affecting other administrators who access the compromised report page.

Affected Systems and Versions

Product: RSA Authentication Manager
Vendor: Dell
Versions Affected: Prior to AM 8.4 patch P10

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: High
User Interaction: Required
Scope: Changed
CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2020-5339 vulnerability.

Immediate Steps to Take

Apply the latest patch (AM 8.4 P10) to RSA Authentication Manager.
Monitor Security Console activities for suspicious behavior.
Educate administrators on safe web practices to prevent XSS attacks.

Long-Term Security Practices

Regularly update and patch RSA Authentication Manager to address security flaws.
Conduct security training for administrators to enhance awareness of potential vulnerabilities.

Patching and Updates

Dell should release patches and updates to fix the XSS vulnerability in RSA Authentication Manager.