What is CVE-2010-2020?

CVE-2010-2020 is a vulnerability in Freebsd, classified under Improper Input Validation. Published 2010-05-28.

Is CVE-2010-2020 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Freebsd

CVE-2010-2020

sys/nfsclient/nfs_vfsops.c in the NFS client in the kernel in FreeBSD 7.2 through 8.1-PRERELEASE, when vfs.usermount is enabled, does not validate the length of a certain fhsize parameter, which allows local users to gain privileges via a crafted mount request.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.009 (55.0th percentile) — read the EPSS interpretation.

Affected products

Freebsd — versions 7.2, 8.0, 8.1-prerelease
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

References

secteam@freebsd.org (x_refsource_FREEBSD, vendor-advisory, Vendor Advisory)
secteam@freebsd.org (exploit, x_refsource_EXPLOIT-DB)
secteam@freebsd.org (exploit, x_refsource_EXPLOIT-DB)
secteam@freebsd.org (vdb-entry, x_refsource_SECTRACK)

Frequently asked questions

What is CVE-2010-2020?: CVE-2010-2020 is a vulnerability in Freebsd, classified under Improper Input Validation. Published 2010-05-28.
Is CVE-2010-2020 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.