A weakness has been reported in OCS Inventory NG, which can be exploited by malicious people to potentially identify valid user accounts.
The application's web interface returns different error messages depending on whether an unsuccessful login attempt is performed with a valid or invalid username. This can be exploited to potentially identify valid usernames via multiple login attempts.
The weakness is reported in version 1.01. Other versions may also be affected.
Solution: Update to version 1.02.1 or later.
Provided and/or discovered by: Reported by Will Aoki in a Debian bug report.
Original Advisory: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=529344
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Subject: OCS Inventory NG Web Interface User Account Enumeration Weakness
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