Buffer overflow in FreeBSD
CVE-2018-17160
In FreeBSD before 11.2-STABLE(r341486) and 11.2-RELEASE-p6, insufficient bounds checking in one of the device models provided by bhyve can permit a guest operating system to overwrite memory in the bhyve host possibly permitting arbitrary code execution. A guest OS using a firmware image can cause the bhyve process to crash, or possibly execute arbitrary code on the host as root.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.033 (88.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · change: 0.000
Affected products
- FreeBSD — versions FreeBSD 11.2 before 11.2-RELEASE-p6, 11.2
Weakness classification (CWE)
References
- security.freebsd.org/advisories/FreeBSD-SA-18:14.bhyve.asc (vendor-advisory, Patch, Mitigation, Vendor Advisory)
- www.securityfocus.com/bid/106210 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2018-17160?
- CVE-2018-17160 is a critical-severity vulnerability in FreeBSD, classified under Out-of-bounds Write. CVSS score: 10.0/10. Published 2018-12-04.
- How severe is CVE-2018-17160?
- Critical severity. CVSS v3 base score is 10.0 out of 10.