Vulnerability Database

289,697

Total vulnerabilities in the database

CVE-2020-7453

In FreeBSD 12.1-STABLE before r359021, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r359020, and 11.3-RELEASE before 11.3-RELEASE-p7, a missing null termination check in the jail_set configuration option "osrelease" may return more bytes with a subsequent jail_get system call allowing a malicious jail superuser with permission to create nested jails to read kernel memory.

  • Published: Apr 29, 2020
  • Updated: Apr 14, 2023
  • CVE: CVE-2020-7453
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6
  • AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

CVSS v2:

  • Severity: Low
  • Score: 3.3
  • AV:L/AC:M/Au:N/C:P/I:P/A:N

CWEs:

Software From Fixed in
freebsd / freebsd 11.3 11.3.x
freebsd / freebsd 11.3-p1 11.3-p1.x
freebsd / freebsd 11.3-p3 11.3-p3.x
freebsd / freebsd 11.3-p2 11.3-p2.x
freebsd / freebsd 12.1-p1 12.1-p1.x
freebsd / freebsd 12.1 12.1.x
freebsd / freebsd 11.3-p4 11.3-p4.x
freebsd / freebsd 11.3-p5 11.3-p5.x
freebsd / freebsd 11.3-p6 11.3-p6.x
freebsd / freebsd 12.1-p2 12.1-p2.x