CVE-2023-42034: myconnection XSS — Fix

Description

Visualware MyConnection Server doRTAAccessCTConfig Cross-Site Scripting Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Visualware MyConnection Server. Minimal user interaction is required to exploit this vulnerability. The specific flaw exists within the doRTAAccessCTConfig method. The issue results from the lack of proper validation of user-supplied data, which can lead to the injection of an arbitrary script. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-21613.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
visualware	myconnection_server	All

References

Advisories & Patches

https://myconnectionserver.visualware.com/support/security-advisories https://myconnectionserver.visualware.com/support/security-advisories

Other References

https://www.zerodayinitiative.com/advisories/ZDI-23-1399/ https://www.zerodayinitiative.com/advisories/ZDI-23-1399/

Frequently Asked Questions

What is CVE-2023-42034? +

Visualware MyConnection Server doRTAAccessCTConfig Cross-Site Scripting Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Visualware MyConnection Server. Minimal user interaction is required to exploit this vulnerability. The specific flaw exists within the doRTAAccessCTConfig method. The issue results from the lack of proper validation of user-supplied data, which can lead to the injection of an arbitrary script. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-21613. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2023-42034? +

CVE-2023-42034 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-42034? +

CVE-2023-42034 affects products from visualware, specifically: myconnection_server. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-42034? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2023-42034