CVE-2017-8304 : Exploit Details and Defense Strategies

Accellion FTA devices prior to version FTA_9_12_180 are affected by an XSS vulnerability in courier/1000@/oauth/playground/callback.html.

Understanding CVE-2017-8304

This CVE involves a cross-site scripting (XSS) vulnerability in Accellion FTA devices.

What is CVE-2017-8304?

An XSS vulnerability was identified in Accellion FTA devices before version FTA_9_12_180, specifically in courier/1000@/oauth/playground/callback.html.

The Impact of CVE-2017-8304

The vulnerability allows attackers to execute malicious scripts in the context of a user's browser, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2017-8304

Accellion FTA devices are susceptible to XSS attacks due to a flaw in the courier/1000@/oauth/playground/callback.html page.

Vulnerability Description

The XSS vulnerability arises when a carefully manipulated URI is utilized on the mentioned page.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Not applicable

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious URI to inject and execute scripts on the affected page.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Update Accellion FTA devices to version FTA_9_12_180 or later to mitigate the XSS risk.
Monitor network traffic for any suspicious activity that could indicate an ongoing attack.

Long-Term Security Practices

Regularly review and update security configurations on Accellion FTA devices.
Educate users on safe browsing practices to minimize the risk of XSS attacks.

Patching and Updates

Stay informed about security patches and updates released by Accellion to address vulnerabilities like CVE-2017-8304.