Apple + Security & Privacy

Apple Remote Desktop vulnerability allows malicious programs to execute code as root

Posted on June 19th, 2008 by

A vulnerability has been discovered that allows malicious programs to execute code as root when run locally, or via a remote connection, on computers running Mac OS X 10.4 and 10.5. This vulnerability takes advantage of the fact that ARDAgent, a part of the Remote Management component of Mac OS X 10.4 and 10.5, has a setuid bit set. Any user running such an executable gains the privileges of the user who owns that executable. In this case, ARDAgent is owned by root, so running code via the ARDAgent executable runs this code as root, without requiring a password. The exploit in question depends on ARDAgent’s ability to run AppleScripts, which may, in turn, include shell script commands.

Read the rest of Intego's Security Alert here (PDF).

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