VulnerabilityModified
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…
MEDIUM 6.9EPSS 0.87%
Does this matter?
Lower severity and a low EPSS score (0.87%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 6.9 MEDIUMAV:L/AC:M/Au:N/C:C/I:C/A:C
- EPSS
- 0.87% probability · 57th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- freebsd/freebsd
- Source
- secteam@freebsd.org
References
- http://security.FreeBSD.org/advisories/FreeBSD-SA-10:06.nfsclient.ascVendor Advisory
- http://securitytracker.com/id?1024039
- http://www.exploit-db.com/exploits/14002
- http://www.exploit-db.com/exploits/14003
- http://security.FreeBSD.org/advisories/FreeBSD-SA-10:06.nfsclient.ascVendor Advisory
- http://securitytracker.com/id?1024039
- http://www.exploit-db.com/exploits/14002
- http://www.exploit-db.com/exploits/14003
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.