CVE-2018-17157

Name: CVE-2018-17157
Creator: NVD / NIST
Published: 2018-12-04T15:29:00.247+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 24.17%

Last modified Jun 17, 2026

CVE-2018-17157 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 24.17% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

24.17%

97.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-190

Affected Software

Vendor	Product	Versions	Update
Freebsd	Freebsd	< 11.2	—
Freebsd	Freebsd	11.2	P4

References

http://www.securityfocus.com/bid/106192Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1042164Patch, Third Party Advisory, VDB Entry
https://secuniaresearch.flexerasoftware.com/secunia_research/2018-25/Third Party Advisory
https://security.freebsd.org/advisories/FreeBSD-SA-18:13.nfs.ascPatch, Vendor Advisory
http://www.securityfocus.com/bid/106192Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1042164Patch, Third Party Advisory, VDB Entry
https://secuniaresearch.flexerasoftware.com/secunia_research/2018-25/Third Party Advisory
https://security.freebsd.org/advisories/FreeBSD-SA-18:13.nfs.ascPatch, Vendor Advisory

Timeline

Published: Dec 4, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-17157?

How severe is CVE-2018-17157?

Severity scoring for CVE-2018-17157 is pending analysis. The EPSS model estimates a 24.17% probability of exploitation in the next 30 days.

How do I fix CVE-2018-17157?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-17157?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST