Card Access Control System Accessed

     What you know, what you are, and what you have. These are three of the key components of security. Key cards are a common form of security that can deny access to a space or object to anyone without an object with the proper credentials. Researchers at Tenable have discovered a series of flaws discovered in September of last year. The flaws pertain to PremiSys Identicard Access control System.
     The researchers at Tenable found a hardcoded set of credentials in version 3.1.190 of PremiSys IDenticard. This set of credentials would allow an adversary all the capabilities of an administrator including modifying access to existing users, deleting users, and adding users. Though it’s doubtful that an adversary could act without trace, they can certainly act without hindrance.
The researchers also found that the sensitive information in the system was stored with an insecure hashing algorithm. It currently uses the MD5 which has not been recommended since 1996 and is subject to commonly known collision vulnerabilities.
     Backups within the system are stored in password protected zip files. Unfortunately, the password has been hardcoded into each instance of the product with no option for the user to change the password without the intervention of the vendor. Along with backups being barely protected by a hardcoded password, the database also comes with a preselected username and password with no opportunity for the user to change those credentials. They must once again go to the vendor for a custom solution.
     These issues seem fairly pressing and can be crippling in a product that promises security. The common practice of providing a grace period for a company to patch the issues seems generous in the face of such glaring flaws. So far a patch has not been released and the product is still vulnerable.
Workarounds include network segmentation and restricting access to systems from outside of the network. It might not be possible to maintain vigilance over the entirely of a database without verification hashes.
     John Fox, Senior Product Manager at Identicard, has provided a statement to Bleeping Computer claiming to be vigilant of the situation. They “anticipate releasing improvements in the near term” which should be expected of any company experiencing any such complications in their product.
Sources: research/tra-2019-01
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