FreeBSD
At a glance
- Source
- NVD
- EPSS
- EPSS 0.34 % · percentile 27 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- freebsd
- NVD status
- Modified
Description
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.
Weaknesses (CWE)
- CWE-754 — Improper Check for Unusual or Exceptional Conditions
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.0 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | LOW 3.3 | AV:L/AC:M/Au:N/C:P/I:P/A:N | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2020-28579
- GCVE · GCVE-0-2020-7453
Affected configurations (NVD CPE)
cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:*cpe:2.3:o:freebsd:freebsd:11.3:p1:*:*:*:*:*:*cpe:2.3:o:freebsd:freebsd:11.3:p2:*:*:*:*:*:*cpe:2.3:o:freebsd:freebsd:11.3:p3:*:*:*:*:*:*cpe:2.3:o:freebsd:freebsd:11.3:p4:*:*:*:*:*:*cpe:2.3:o:freebsd:freebsd:11.3:p5:*:*:*:*:*:*cpe:2.3:o:freebsd:freebsd:11.3:p6:*:*:*:*:*:*cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:*cpe:2.3:o:freebsd:freebsd:12.1:p1:*:*:*:*:*:*cpe:2.3:o:freebsd:freebsd:12.1:p2:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| FreeBSD | affected 12.1-STABLE before r359021, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r359020, 11.3-RELEASE before 11.3-RELEASE-p7 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |