CVE-2010-2020 Privilege escalation in n/a
Local attackers can escalate privileges via crafted mount requests in FreeBSD kernel NFS client when usermount is enabled.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2010-2020?
CVE-2010-2020 is a medium-severity vulnerability in Freebsd Freebsd, published on 28 May 2010. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-20
Which versions are affected by CVE-2010-2020?
It affects 1 product.
Products include Freebsd Freebsd.
How do I fix CVE-2010-2020?
No fix has been published for CVE-2010-2020 yet. Limit exposure of the affected software until one is available.
Is CVE-2010-2020 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2010-2020 exists.
Public exploit code: 2 Exploit-DB entries.
Other vulnerabilities in Freebsd Freebsd
Sources
Also known as GHSA-jxp6-x4gh-789p.