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Visualware MyConnection Server doRTAAccessCTConfig Cross-Site Scripting Authentication Bypass Vulnerability

September 8th, 2023

Vulnerability Details

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.

Additional Details

Visualware has issued an update to correct this vulnerability. More details can be found at:
https://myconnectionserver.visualware.com/support/security-advisories

Disclosure Timeline

  • 2023-07-31 - Vulnerability reported to vendor
  • 2023-09-08 - Coordinated public release of advisory

Credit

06fe5fd2bc53027c4a3b7e395af0b850e7b8a044

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