Auth bypass in Freebsd

CVE-2019-5602

In FreeBSD 12.0-STABLE before r349628, 12.0-RELEASE before 12.0-RELEASE-p7, 11.3-PRERELEASE before r349629, 11.3-RC3 before 11.3-RC3-p1, and 11.2-RELEASE before 11.2-RELEASE-p11, a bug in the cdrom driver allows users with read access to the cdrom device to arbitrarily overwrite kernel memory when media is present thereby allowing a malicious user in the operator group to gain root privileges.

Vulnerability class: Buffer Overflow

EPSS: 0.041 (89.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Freebsd — versions 11.3, FreeBSD 12.0 before 12.0-RELEASE-p7 and 11.2 before 11.2-RELEASE-p11, 12.0

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-5602?
CVE-2019-5602 is a high-severity vulnerability in Freebsd, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2019-07-03.
How severe is CVE-2019-5602?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2019-5602 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.