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Category:   Application (Generic)  >   Perl Vendors:   Wall, Larry
Perl File::Path.pm rmtree() Race Condition May Let Local Users Create Privileged Binaries
SecurityTracker Alert ID:  1014211
SecurityTracker URL:  http://securitytracker.com/id/1014211
CVE Reference:   CVE-2005-0448   (Links to External Site)
Updated:  Dec 20 2005
Original Entry Date:  Jun 16 2005
Impact:   Modification of system information, Root access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 5.8.4
Description:   In March 2005, a vulnerability was reported in the rmtree() function in File::Path.pm. A local user may be able to create set user id (setuid) binaries in certain cases.

A local user can exploit a race condition to create setuid binaries in a directory tree while the directory tree is being deleted by a root level user. The user must have write permissions in that directory tree to exploit this flaw.

Paul Szabo discovered this vulnerability.

Impact:   A local user can create setuid binaries in certain cases.
Solution:   The vendor has issued a fixed version (5.8.4 or later), available at:

http://www.perl.com/CPAN/src/

Red Hat has issued a fix for Red Hat Enterprise Linux 4:

https://rhn.redhat.com/errata/RHSA-2005-674.html

Cause:   Access control error, State error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jun 16 2005 (HP Issues Fix) Perl File::Path.pm rmtree() Race Condition May Let Local Users Create Privileged Binaries
HP has issued a fix.
Oct 5 2005 (Red Hat Issues Fix) Perl File::Path.pm rmtree() Race Condition May Let Local Users Create Privileged Binaries
Red Hat has released a fix for Red Hat Enterprise Linux 4.
Oct 4 2013 (Oracle Issues Fix for Solaris) Perl File::Path.pm rmtree() Race Condition May Let Local Users Create Privileged Binaries
Oracle has issued a fix for Solaris 10 and 11.1.



 Source Message Contents



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