CVE-2018-17158 Integer overflow in FreeBSD

What is CVE-2018-17158?

CVE-2018-17158 is a high-severity vulnerability in Freebsd Freebsd, published on 4 Dec 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In FreeBSD before 11.2-STABLE(r340854) and 11.2-RELEASE-p5, an integer overflow error can occur when handling the client address length field in an NFSv4 request. Unprivileged remote users with access to the NFS server can crash the system by sending a specially crafted NFSv4 request.

Weakness: CWE-190

Which versions are affected by CVE-2018-17158?

It affects 1 product.

Products include Freebsd Freebsd.

How do I fix CVE-2018-17158?

No fix has been published for CVE-2018-17158 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-17158 being exploited?

There is no known exploitation of CVE-2018-17158 in the wild and no public exploit code.

Other vulnerabilities in Freebsd Freebsd

• CVE-2018-17160 Memory corruption in FreeBSD Critical 10.0
• CVE-2014-3954 Memory corruption in n/a Critical 10.0
• CVE-2006-4304 Memory corruption in n/a Critical 10.0
• CVE-2006-0226 Integer overflow in n/a Critical 10.0
• CVE-2004-0002 Denial of service in n/a Critical 10.0

All Freebsd Freebsd vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-hmm8-hh9j-v7jm.