Vulnerability Note VU#902374

Apple Mac OS X TruBlueEnvironment vulnerable to buffer overflow

Overview

Apple Mac OS X contains a buffer overflow in TruBlueEnvironment which could allow a local, authenticated attacker to execute arbitrary code with root privileges.

I. Description

Mac OS X allows older Macintosh applications to run in an environment called Classic. TruBlueEnvironment is part of this Classic environment and is installed setuid root by default. During execution, TruBlueEnvironment fails to validate the length of an environment variable. Using a specially crafted environment variable, an authenticated local attacker could execute arbitrary code with privileges of the vulnerable process.

II. Impact

A local, authenticated attacker could execute arbitrary code with root privileges.

III. Solution

Apply Patch

Apple has released a patch to address this vulnerability. For further details, please see the Apple Security Advisory (Security Update 2004-01-26).

Systems Affected

Vendor	Status	Date Notified	Date Updated
Apple Computer Inc.	Vulnerable	15-Mar-2004

References

http://docs.info.apple.com/article.html?artnum=61798
http://www.atstake.com/research/advisories/2004/a012704-1.txt

Credit

Apple credits Dave G. of @stake for reporting this vulnerability.

This document was written by Damon Morda.

Other Information

Date Public:	2004-01-28
Date First Published:	2004-03-08
Date Last Updated:	2004-03-15
CERT Advisory:
CVE-ID(s):	CAN-2004-0089
NVD-ID(s):	CAN-2004-0089
US-CERT Technical Alerts:
Metric:	9.56
Document Revision:	20

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