Reflected Cross-Site Scripting(XSS) in Avocent devices

Title Reflected Cross-Site Scripting(XSS)
Product Avocent DSR2030
Vulnerable Version Appliance firmware version 03.04.00.07
Fixed Version 03.07.01.23
Product Avocent SVIP1020
Vulnerable Version Appliance firmware version 01.06.00.03
Fixed Version 01.07.00.00
CVE number CVE-2024-34923
Impact Medium
Homepage Avocent page
Found March 2022 & Update additional version for another device in March 2024

Vendor Description

Avocent Corporation was an information-technology products manufacturer headquartered in Huntsville, Alabama.
Avocent formed in 2000 from the merger of the world's two largest manufacturers of KVM (keyboard, video and mouse) equipment, Apex and Cybex Computer Products Corporation.
As of August 2006, the company employed more than 1,800 people worldwide.

Vulnerability Overview/Description

Reflected Cross-Site Scripting
With reflected cross-site scripting, an attacker can inject arbitrary HTML or JavaScript code into the victim’s web browser.
Once the victim clicks a malicious link, the attacker’s code is executed in the context of the victim’s web browser.
The vulnerability can be used to change the contents of the displayed site, redirect to other sites or steal user credentials. Additionally, users are potential victims of browser exploits and JavaScript trojans.

Vulnerable / Tested Versions

The following versions were tested and found to be vulnerable:
- Appliance firmware version 01.06.00.03
- Appliance firmware version 03.04.00.07

Solution

The vendor provides an updated version which should be installed immediately:
For the first device - 03.07.01.23
For the second device - 01.06.00.03

Advisory URL

https://ka1ne1.github.io/avocent_xss.html

Researchers

Kiryukhin Dmitry,Melnikova Anastasia, Maria Mikhaylova

EOF D. Kiryukhin / @2024