CVE-2010-2020

Public Exploit

Description

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.

Category

6.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.42%
Vendor Advisory FreeBSD.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://security.FreeBSD.org/advisories/FreeBSD-SA-10:06.nfsclient.asc vendor advisory
http://www.exploit-db.com/exploits/14003 exploit
http://www.exploit-db.com/exploits/14002 exploit
http://securitytracker.com/id?1024039 vdb entry

Frequently Asked Questions

What is the severity of CVE-2010-2020?
CVE-2010-2020 has been scored as a medium severity vulnerability.
How to fix CVE-2010-2020?
To fix CVE-2010-2020, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2010-2020 being actively exploited in the wild?
It is possible that CVE-2010-2020 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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