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Category:   Application (Generic)  >   Perl Vendors:   Wall, Larry
Perl rmtree() Function Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1020373
SecurityTracker URL:  http://securitytracker.com/id/1020373
CVE Reference:   CVE-2008-2827   (Links to External Site)
Date:  Jun 27 2008
Impact:   Root access via local system
Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 5.10.0
Description:   A vulnerability was reported in Perl. A local user can obtain elevated privileges on the target system.

The rmtree() function in 'lib/File/Path.pm' does not properly manage permissions on symbolic links (symlinks). The function changes the permissions of the symlink target to the permissions of the symlink, which may be world-writable and world-readable permissions.

A local user can exploit this to obtain root privileges on the target system.

The vendor's bug report is available at:

http://rt.cpan.org/Public/Bug/Display.html?id=36982

Ben Hutchings reported this vulnerability.

Impact:   A local user can obtain root privileges on the target system.
Solution:   No solution was available at the time of this entry.
Vendor URL:  cpan.org/ (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


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