Vulnerability Monitor

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CVE-2020-25584

In FreeBSD 13.0-STABLE before n245118, 12.2-STABLE before r369552, 11.4-STABLE before r369560, 13.0-RC5 before p1, 12.2-RELEASE before p6, and 11.4-RELEASE before p9, a superuser inside a FreeBSD jail configured with the non-default allow.mount permission could cause a race condition between the lookup of ".." and remounting a filesystem, allowing access to filesystem hierarchy outside of the jail.

Published

2021-04-07T15:15:13.013

Last Modified

2024-11-21T05:18:10.463

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

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

1.9

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-362
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System freebsd freebsd < 11.4 Yes
Operating System freebsd freebsd < 12.2 Yes
Operating System freebsd freebsd 11.4 Yes
Operating System freebsd freebsd 11.4 Yes
Operating System freebsd freebsd 11.4 Yes
Operating System freebsd freebsd 11.4 Yes
Operating System freebsd freebsd 11.4 Yes
Operating System freebsd freebsd 11.4 Yes
Operating System freebsd freebsd 11.4 Yes
Operating System freebsd freebsd 11.4 Yes
Operating System freebsd freebsd 11.4 Yes
Operating System freebsd freebsd 12.2 Yes
Operating System freebsd freebsd 12.2 Yes
Operating System freebsd freebsd 12.2 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
References