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Vulnerability Details : CVE-2013-5710

The nullfs implementation in sys/fs/nullfs/null_vnops.c in the kernel in FreeBSD 8.3 through 9.2 allows local users with certain permissions to bypass access restrictions via a hardlink in a nullfs instance to a file in a different instance.
Publish Date : 2013-09-23 Last Update Date : 2013-10-23
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- CVSS Scores & Vulnerability Types

CVSS Score
3.7
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity High (Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Bypass a restriction or similar
CWE ID 264

- Products Affected By CVE-2013-5710

# Product Type Vendor Product Version Update Edition Language
1 OS Freebsd Freebsd 8.0 Version Details Vulnerabilities
2 OS Freebsd Freebsd 8.3 Version Details Vulnerabilities
3 OS Freebsd Freebsd 8.4 Version Details Vulnerabilities
4 OS Freebsd Freebsd 9.0 Version Details Vulnerabilities
5 OS Freebsd Freebsd 9.1 Version Details Vulnerabilities
6 OS Freebsd Freebsd 9.2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Freebsd Freebsd 6

- References For CVE-2013-5710

http://www.debian.org/security/2013/dsa-2769
DEBIAN DSA-2769
http://svnweb.freebsd.org/base?view=revision&revision=255442 CONFIRM
http://www.securitytracker.com/id/1029015
SECTRACK 1029015
http://www.freebsd.org/security/advisories/FreeBSD-SA-13:13.nullfs.asc
FREEBSD FreeBSD-SA-13:13
http://secunia.com/advisories/54861
SECUNIA 54861

- Metasploit Modules Related To CVE-2013-5710

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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