25131 : TrueCrypt External Command Path Subversion Local Privilege Escalation
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
10	778	over 5 years ago	over 3 years ago	0 times	90%

Timeline

Disclosure Date
2006-04-30

Description

TrueCrypt contains a flaw that may allow a malicious user to gain access to unauthorized privileges. The issue is caused by the unsafe use of the 'execvp()' function to execute external commands without sanitising the user's current PATH settings. This flaw may lead to a loss of integrity.

Classification

Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Rumored
Disclosure: OSVDB Verified, Vendor Verified

Technical

The program TrueCrypt is not SUID/SGID by default and can not be leveraged for additional privileges as a result of a default installation. This vulnerability only manifests if an administrator adds SUID or SGID privileges to the program, or if another program invokes it with increased privileges.

Solution

Upgrade to version 4.2 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

TrueCrypt

4.1

References

Secunia Advisory ID: 19903
CVE ID: 2006-2183 (see also: NVD)
VUPEN Advisory: ADV-2006-1591
Other Advisory URL: http://lists.immunitysec.com/pipermail/dailydave/2006-April/003152.html
Vendor URL: http://www.truecrypt.org/
Vendor Specific News/Changelog Entry: http://www.truecrypt.org/history.php

Credit

Julien Tinnes - julien.tinnesfrancetelecom.com -

CVSSv2 Score

CVSSv2 Base Score = 7.2
Source: nvd.nist.gov | Generated: 2006-05-04 | Disagree?

Blogs

This product uses the Daylife API but is not endorsed or certified by Daylife.

This section lists the latest news and blogs found via the daylife API (and for older items, the technorati API), which mention or otherwise discuss this vulnerability.

None found at this time

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