Vulnerability Monitor

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CVE-2013-5710


The nullfs implementation in sys/fs/nullfs/null_vnops.c in the kernel in FreeBSD 8.3 through 9.2 allows local users with certain permissions to bypass access restrictions via a hardlink in a nullfs instance to a file in a different instance.


Published

2013-09-23T20:55:07.433

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 3.7 (LOW)

CVSSv2 Vector

AV:L/AC:H/Au:N/C:P/I:P/A:P

  • Access Vector: LOCAL
  • Access Complexity: HIGH
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

1.9

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-264

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System freebsd freebsd 8.0 Yes
Operating System freebsd freebsd 8.3 Yes
Operating System freebsd freebsd 8.4 Yes
Operating System freebsd freebsd 9.0 Yes
Operating System freebsd freebsd 9.1 Yes
Operating System freebsd freebsd 9.2 Yes

References