Security Bulletin 23B30933

The metadata of an encrypted zone can be compromised

Medium

Security Bulletin 23B30933
CVE-2023-50442
12/13/2023

SUMMARY

The metadata of an encrypted zone is not fully protected, which allows a local attacker having appropriate privileges to alter it in order to exclude new files from encryption temporarily (this modification can however be detected as described in the Administrator guide).

CVSS SCORE: BASE 4.1

  • Attack Vector (AV): Local (L)
  • Attack Complexity (AC): High (H)
  • Privileges required (PR): High (H)
  • User interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): High (H)
  • Integrity (I): High (H)
  • Availability (A): None (N)

DETAILS

AFFECTED PRODUCTS AND VERSIONS

All versions of ZONECENTRAL.

SOLUTIONS AND RECOMMENDATIONS

As described in the ZONECENTRAL Administrator Guide, encrypted zones outside of the user computer have to be periodically scanned to detect unauthorized modifications.

For more information, contact support[@]primx[.]eu.

ACKNOWLEDGEMENTS

ANSSI