CVE-2018-17157: Integer Overflow

Published Dec 4, 2018
·
Updated

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.

Affected Software

2 affected components
FreeBSD FreeBSD<11.2
FreeBSD FreeBSD=11.2-p4

Event History

Dec 4, 2018
CVE Published
via MITRE·03:00 PM
Data Sourced
via MITRE·03:00 PM
DescriptionWeakness

Frequently Asked Questions

1

What is the severity of CVE-2018-17157?

CVE-2018-17157 has a critical severity as it allows unprivileged remote users to execute arbitrary code.

2

How do I fix CVE-2018-17157?

To fix CVE-2018-17157, upgrade FreeBSD to version 11.2-STABLE(r340854) or 11.2-RELEASE-p5 or later.

3

Who is affected by CVE-2018-17157?

CVE-2018-17157 affects users running FreeBSD versions prior to 11.2-STABLE(r340854) and 11.2-RELEASE-p5.

4

What type of vulnerability is CVE-2018-17157?

CVE-2018-17157 is an integer overflow vulnerability related to NFSv4 request handling.

5

Can CVE-2018-17157 be exploited remotely?

Yes, CVE-2018-17157 can be exploited remotely by unprivileged users accessing the NFS server.

Contact

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