CVE-2018-17157

Critical

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.

SeverityCritical

CVSS9.8

Exploit probability—

Product

Freebsd

PublishedDec 4, 2018

First seenDec 4, 2018

How to fix

Update

freebsd freebsd11.2 or later

Vendor advisories

security.freebsd.org/advisories/FreeBSD-SA-18:13.nfs.asc

Affected products

Product	Affected versions	Fixed in
freebsd freebsd	v < 11.2, 11.2	11.2

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