Critical severity · published Dec 4, 2018
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…
10.0
CVSS
3.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)3.3% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
Freebsd · Freebsd
before 11.2; 11.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-17160
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-17160
Third Party Advisory
http://www.securityfocus.com/bid/106210
Mitigation
https://security.freebsd.org/advisories/FreeBSD-SA-18:14.bhyve.asc
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