Out-of-bounds Read in FreeBSD
CVE-2019-5604
In FreeBSD 12.0-STABLE before r350246, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r350247, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, the emulated XHCI device included with the bhyve hypervisor did not properly validate data provided by the guest, allowing an out-of-bounds read. This provides a malicious guest the possibility to crash the system or access system memory.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.031 (87.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000
Affected products
- FreeBSD — versions 11.3, and before 11.2-RELEASE-p12, 11.0
Weakness classification (CWE)
References
- security.FreeBSD.org/advisories/FreeBSD-SA-19:16.bhyve.asc (vendor-advisory, Vendor Advisory)
- packetstormsecurity.com/files/153753/FreeBSD-Security-Advisory-FreeBSD-SA-19-16… (VDB Entry, Third Party Advisory)
- security.netapp.com/advisory/ntap-20190814-0003/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2019-5604?
- CVE-2019-5604 is a critical-severity vulnerability in FreeBSD, classified under Out-of-bounds Read. CVSS score: 9.6/10. Published 2019-07-26.
- How severe is CVE-2019-5604?
- Critical severity. CVSS v3 base score is 9.6 out of 10.