Apple CoreFoundation Privileged Plug-In Execution Vulnerability

BID:11135

Info

Apple CoreFoundation Privileged Plug-In Execution Vulnerability

Bugtraq ID: 11135
Class: Design Error
CVE: CVE-2004-0821
Remote: No
Local: Yes
Published: Sep 07 2004 12:00AM
Updated: Jul 12 2009 07:06AM
Credit: Announced by Apple and credited to Kikuchi Masashi <[email protected]>.
Vulnerable: Apple Mac OS X Server 10.3.5
Apple Mac OS X Server 10.3.4
Apple Mac OS X Server 10.2.8
Apple Mac OS X 10.3.5
Apple Mac OS X 10.3.4
Apple Mac OS X 10.2.8
Not Vulnerable:

Discussion

Apple CoreFoundation Privileged Plug-In Execution Vulnerability

It is reported that bundles using CoreFoundation can be made to automatically load plug-in executables using the CFPlugIn feature. This is a security vulnerability allowing for local privilege escalation as malicious executable plug-ins can be loaded by a privileged application. At this time, it is not clear whether the application targeted must be in the form of a bundle or if the attacker can perform the attack against any privileged application with a custom bundle.

Users are advised to apply the patch provided by Apple, which changes the feature to prevent loading of plug-ins automatically if an executable is already loaded.

Exploit / POC

Apple CoreFoundation Privileged Plug-In Execution Vulnerability

Currently we are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] &lt;mailto:[email protected]&gt;.

Solution / Fix

Apple CoreFoundation Privileged Plug-In Execution Vulnerability

Solution:
Apple has released an advisory (APPLE-SA-0024-09-07) along with fixes to address this, and many other issues. Please see the referenced advisory for further information.


Apple Mac OS X 10.2.8

Apple Mac OS X Server 10.2.8

Apple Mac OS X 10.3.4

Apple Mac OS X Server 10.3.4

Apple Mac OS X 10.3.5

Apple Mac OS X Server 10.3.5

References

Apple CoreFoundation Privileged Plug-In Execution Vulnerability

References:

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