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Category:   Application (Web Browser)  >   Apple Safari Vendors:   Apple
Apple Safari Lets Remote Users Cause Shell Code to Be Executed by the Target User
SecurityTracker Alert ID:  1015652
SecurityTracker URL:  http://securitytracker.com/id/1015652
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Feb 21 2006
Impact:   Execution of arbitrary code via network, User access via network
Exploit Included:  Yes  

Description:   A vulnerability was reported in Safari. A remote user can cause arbitrary commands to be executed on the target user's system.

A remote user can place a shell script in a ZIP archive and name the script file with a '.jpg' or '.mov' file extension and also include a metadata file that specifies the use of Terminal to load the script file. If the shell script is missing the shell interpreter specification line (i.e., shebang line), the target user's Safari browser will execute the shell commands without prompting the target user.

This can be exploited if the "Open 'safe' files after downloading" option is enabled [the default setting].

This can be exploited via HTML that references the ZIP archive.

Apple's Mail application may also be affected.

Michael Lehn discovered this vulnerability.

A demonstration exploit is available at:

http://www.mathematik.uni-ulm.de/%7elehn/mac.html

The original report is available at:

http://www.mathematik.uni-ulm.de/numerik/staff/lehn/macosx.html

Impact:   A remote user can cause arbitrary commands to be executed on the target user's system. The commands will run with the privileges of the target user.
Solution:   No solution was available at the time of this entry.

For a potential workaround, deactivate the option "Open 'safe' files after downloading" in the "General" section of the Safari preferences menu.

Vendor URL:  www.apple.com/ (Links to External Site)
Cause:   Access control error, State error
Underlying OS:  UNIX (macOS/OS X)

Message History:   None.


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