Vulnerability CVE-2012-3485
Published: 2012-08-26   Modified: 2012-08-27

Description:
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.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Setuid Tunnelblick 3.2.8 Privilege Escalation
Juan vazquez
05.03.2013

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Google -> Tunnelblick 

 References:
http://www.openwall.com/lists/oss-security/2012/08/14/1
http://www.exploit-db.com/exploits/24578
http://git.zx2c4.com/Pwnnel-Blicker/tree/pwnnel-blicker-for-kids.sh
http://code.google.com/p/tunnelblick/issues/detail?id=212
http://archives.neohapsis.com/archives/fulldisclosure/2012-08/0122.html
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