Apple Mac OS X AppleScript Editor Code Obfuscation Vulnerability

BID:13500

Info

Apple Mac OS X AppleScript Editor Code Obfuscation Vulnerability

Bugtraq ID: 13500
Class: Input Validation Error
CVE: CVE-2005-1331
Remote: Yes
Local: No
Published: May 03 2005 12:00AM
Updated: Jul 12 2009 02:06PM
Credit: Discovered by David Remahl <[email protected]>.
Vulnerable: Dead Pirate Software SimpleCam 1.2
Apple Mac OS X Server 10.3.9
Apple Mac OS X Server 10.3.8
Apple Mac OS X Server 10.3.7
Apple Mac OS X Server 10.3.6
Apple Mac OS X Server 10.3.5
Apple Mac OS X Server 10.3.4
Apple Mac OS X Server 10.3.3
Apple Mac OS X Server 10.3.2
Apple Mac OS X Server 10.3.1
Apple Mac OS X Server 10.3
Apple Mac OS X 10.3.9
Apple Mac OS X 10.3.8
Apple Mac OS X 10.3.7
Apple Mac OS X 10.3.6
Apple Mac OS X 10.3.5
Apple Mac OS X 10.3.4
Apple Mac OS X 10.3.3
Apple Mac OS X 10.3.2
Apple Mac OS X 10.3.1
Apple Mac OS X 10.3
Not Vulnerable: Dead Pirate Software SimpleCam 1.3

Discussion

Apple Mac OS X AppleScript Editor Code Obfuscation Vulnerability

Mac OS X AppleScript editor is prone to a code obfuscation vulnerability. Scripts created using the applescript: URI mechanism could display code differently than the actual code that will execute if it is downloaded, compiled, and run.

This issue was initially reported in BID 13480 (Apple Mac OS X Multiple Vulnerabilities). Due to the availability of more information, this issue is being assigned a new BID.

Exploit / POC

Apple Mac OS X AppleScript Editor Code Obfuscation Vulnerability

A proof of concept is available at the following location:

http://remahl.se/david/vuln/010/demo.html

Solution / Fix

Apple Mac OS X AppleScript Editor Code Obfuscation Vulnerability

Solution:
Apple has released advisory (APPLE-SA-2005-05-03) to address this issue. Please see the referenced advisory for more information.


Dead Pirate Software SimpleCam 1.2

Apple Mac OS X 10.3.9

Apple Mac OS X Server 10.3.9

References

Apple Mac OS X AppleScript Editor Code Obfuscation Vulnerability

References:
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