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)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 6.9 (Medium). Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.009 (57.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- FreeBSD — versions 7.2, 8.0, 8.1-prerelease
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security.FreeBSD.org/advisories/FreeBSD-SA-10:06.nfsclient.asc (vendor-advisory, Vendor Advisory)
- www.exploit-db.com/exploits/14003 (exploit)
- www.exploit-db.com/exploits/14002 (exploit)
- securitytracker.com/id (vdb-entry)
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.