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TITLE:
Apple Mac OS X ARDAgent Privilege Escalation Vulnerability

SECUNIA ADVISORY ID:
SA30776

VERIFY ADVISORY:
http://secunia.com/advisories/30776/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

OPERATING SYSTEM:
Apple Macintosh OS X
http://secunia.com/product/96/

DESCRIPTION:
A vulnerability has been discovered in Mac OS X, which can be
exploited by malicious, local users to gain escalated privileges.

The problem is that "ARDAgent", which is owned by "root" and has the
setuid bit set, can be invoked to execute shell commands via
AppleScript (e.g. through "osascript"). This can be exploited to
execute arbitrary commands with root privileges.

The vulnerability is confirmed on Mac OS X 10.4 and is also reported
in version 10.5.

SOLUTION:
Grant only trusted users access to affected systems.

PROVIDED AND/OR DISCOVERED BY:
Reported in the Macshadows.com forums and via Slashdot.

ORIGINAL ADVISORY:
http://www.macshadows.com/forums/index.php?showtopic=8640
http://it.slashdot.org/article.pl?sid=08/06/18/1919224

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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