J-Security Center

Title: ELS Screen to Screen Multiple Password Vulnerabilities

Severity: INFO

Description:

Screen to Screen is a remote control utility for systems runnig MacOS. To use it, you need to have an administrator password. This password is stored in encrypted form in a file called "Authorization" located in the System Folder under Preferences:Power On Preferences:Screen To Screen.

There are two problems:
1: The file can be deleted, and then the next time Screen to Screen is started it will reset the username to 'administrator' and the password to 'admin'.
2: The encryption scheme is weak and can be broken.

Affected Products:

  • ELS Screen to Screen 1.0.0

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