Arbitrary flash code remote execution in 123flashchat server
Flash remote code execution vulnerability in the 123 Flash Chat client that allows escalation to administrator.
Antecedentes
123 Flash Chat is a Java chat server with a Flash client, with a public demo on the product website.
Description
The Flash client excessively uses the eval statement, and in many cases includes user-controllable variables. If the username contains the ; character, it is possible to inject code into the client, change the user's own variables to become an administrator, and even inject code into other connected clients.
Business impact
An attacker can execute Flash code in other users' browsers and escalate privileges up to the administrator account.
Affected systems
123 Flash Chat Server up to version 5.1 (released on December 22, 2005).
Solución
The manufacturer confirmed that the vulnerability is fixed in version 5.1_2.
Calendario de divulgación
The information contained within this advisory is supplied 'as-is' with no warranties or guarantees of fitness for use or otherwise. Internet Security Auditors accepts no responsibility for any damage caused by the use or misuse of this information.
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