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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.041 (90.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.041 · newest: 0.041 · change: 0.000
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
- security.FreeBSD.org/advisories/FreeBSD-SA-19:11.cd_ioctl.asc (vendor-advisory, Vendor Advisory)
- packetstormsecurity.com/files/153522/FreeBSD-Security-Advisory-FreeBSD-SA-19-11… (VDB Entry, Third Party Advisory)
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.