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Improper Access Control

CVE-2014-3519

Medium
6.5/10

Summary

The open_by_handle_at function in vzkernel before 042stab090.5 in the OpenVZ modification for the Linux kernel 2.6.32, when using simfs, might allow local container users with CAP_DAC_READ_SEARCH capability to bypass an intended container protection mechanism and access arbitrary files on a filesystem via vectors related to use of the file_handle structure.

  • LOW
  • LOCAL
  • NONE
  • CHANGED
  • NONE
  • LOW
  • HIGH
  • NONE

CWE-284 - Improper Access Control

Listed 5th in the 'OWASP Top Ten', improper (or broken) access control attacks are a fundamental type of vulnerability. This includes a broad range of design flaws that enable users to act outside of their intended permissions. They can use these privileges to gain access to restricted files and functionality such as accessing restricted information, falsifying records, destroying data, or executing commands.

References

Advisory Timeline

  • Published