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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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Freebsd ≫ Freebsd Version 11.3 Update -
Freebsd ≫ Freebsd Version 11.3 Update p1
Freebsd ≫ Freebsd Version 11.3 Update p2
Freebsd ≫ Freebsd Version 11.3 Update p3
Freebsd ≫ Freebsd Version 11.3 Update p4
Freebsd ≫ Freebsd Version 11.3 Update p5
Freebsd ≫ Freebsd Version 11.3 Update p6
Freebsd ≫ Freebsd Version 12.1 Update -
Freebsd ≫ Freebsd Version 12.1 Update p1
Freebsd ≫ Freebsd Version 12.1 Update p2
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.34% 0.256
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 6 0.8 5.2
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
NIST 3.3 3.4 4.9
AV:L/AC:M/Au:N/C:P/I:P/A:N
CWE-754 Improper Check for Unusual or Exceptional Conditions

The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.

https://security.FreeBSD.org/advisories/FreeBSD-SA-20:08.jail.asc
Patch
Vendor Advisory