CVE-2018-17157

high-risk
Published 2018-12-04

In FreeBSD before 11.2-STABLE(r340854) and 11.2-RELEASE-p5, an integer overflow error when handling opcodes can cause memory corruption by sending a specially crafted NFSv4 request. Unprivileged remote users with access to the NFS server may be able to execute arbitrary code.

Do I need to act?

!
12.2% chance of exploitation in next 30 days
EPSS score — higher than 88% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Freebsd

References (8)

Third Party Advisory http://www.securityfocus.com/bid/106192
Patch http://www.securitytracker.com/id/1042164
Third Party Advisory https://secuniaresearch.flexerasoftware.com/secunia_research/2018-25/
Patch https://security.freebsd.org/advisories/FreeBSD-SA-18:13.nfs.asc
Third Party Advisory http://www.securityfocus.com/bid/106192
Patch http://www.securitytracker.com/id/1042164
Third Party Advisory https://secuniaresearch.flexerasoftware.com/secunia_research/2018-25/
Patch https://security.freebsd.org/advisories/FreeBSD-SA-18:13.nfs.asc
51
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 12/34 · Low
Exposure 7/34 · Low