CVE-2018-17157 Integer overflow in FreeBSD
Remote unprivileged users can execute arbitrary code on FreeBSD systems via an integer overflow in the NFSv4 server implementation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-17157?
CVE-2018-17157 is a critical 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 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.
Weakness: CWE-190
Which versions are affected by CVE-2018-17157?
It affects 1 product.
Products include Freebsd Freebsd.
How do I fix CVE-2018-17157?
No fix has been published for CVE-2018-17157 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-17157 being exploited?
There is no known exploitation of CVE-2018-17157 in the wild and no public exploit code.
Other vulnerabilities in Freebsd Freebsd
Sources
Also known as GHSA-rpw7-85c5-fxrp.