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Vulnerability Details : CVE-2010-2020 (2 public exploits)

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.
Publish Date : 2010-05-28 Last Update Date : 2012-11-05
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Gain privileges

- Products Affected By CVE-2010-2020

# Product Type Vendor Product Version Update Edition Language
1 OS Freebsd Freebsd 7.2 Stable Version Details Vulnerabilities
2 OS Freebsd Freebsd 7.2 Pre-release Version Details Vulnerabilities
3 OS Freebsd Freebsd 7.2 Version Details Vulnerabilities
4 OS Freebsd Freebsd 8.0 Version Details Vulnerabilities
5 OS Freebsd Freebsd 8.1-prerelease Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Freebsd Freebsd 5

- References For CVE-2010-2020
SECTRACK 1024039
EXPLOIT-DB 14002 FreeBSD Kernel nfs_mount() Exploit Author:Patroklos Argyroudis Release Date:2010-06-23 (freebsd) local
EXPLOIT-DB 14003 FreeBSD Kernel mountnfs() Exploit Author:Patroklos Argyroudis Release Date:2010-06-23 (freebsd) dos

- Metasploit Modules Related To CVE-2010-2020

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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