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Vulnerability Details : CVE-2012-3485 (1 public exploit)

Tunnelblick 3.3beta20 and earlier relies on argv[0] to determine the name of an appropriate (1) kernel module pathname or (2) executable file pathname, which allows local users to gain privileges via an execl system call.
Publish Date : 2012-08-26 Last Update Date : 2013-12-13
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- CVSS Scores & Vulnerability Types

CVSS Score
7.2
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 Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access Admin
Vulnerability Type(s) Gain privileges
CWE ID 20

- Products Affected By CVE-2012-3485

# Product Type Vendor Product Version Update Edition Language
1 Application Google Tunnelblick 3.3beta20 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Google Tunnelblick 1

- References For CVE-2012-3485

http://archives.neohapsis.com/archives/fulldisclosure/2012-08/0122.html
FULLDISC 20120811 OS X Local Root: Silly SUID Helper in Tunnel Blick
http://code.google.com/p/tunnelblick/issues/detail?id=212 CONFIRM
Exploit! http://www.exploit-db.com/exploits/24578
EXPLOIT-DB 24578 Setuid Tunnelblick Privilege Escalation Author:metasploit Release Date:2013-03-05 (osx) local
http://git.zx2c4.com/Pwnnel-Blicker/tree/pwnnel-blicker-for-kids.sh
http://www.openwall.com/lists/oss-security/2012/08/14/1
MLIST [oss-security] 20120812 Re: Tunnel Blick: Multiple Vulnerabilities to Local Root and DoS (OS X)

- Metasploit Modules Related To CVE-2012-3485

Setuid Tunnelblick Privilege Escalation
This module exploits a vulnerability in Tunnelblick 3.2.8 on Mac OS X. The vulnerability exists in the setuid openvpnstart, where an insufficient validation of path names allows execution of arbitrary shell scripts as root. This module has been tested successfully on Tunnelblick 3.2.8 build 2891.3099 over Mac OS X 10.7.5.
Module type : exploit Rank : excellent Platforms : OSX


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