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Category:   Application (Generic)  >   Perl Vendors:   Wall, Larry
Perl PathTools Bug in File::Spec Module Lets Remote Users Bypass Taint Restrictions on the Target System
SecurityTracker Alert ID:  1034772
SecurityTracker URL:  http://securitytracker.com/id/1034772
CVE Reference:   CVE-2015-8607   (Links to External Site)
Date:  Jan 21 2016
Impact:   Modification of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Perl. A remote user can bypass security controls on the target system.

The File::Spec::canonpath() in PathTools does not preserve the taint attribute. A user may be able to create a specially crafted value to bypass the taint protection mechanism.

PathTools is included in Perl.

David Golden reported this vulnerability.

Impact:   A remote user may be able to bypass the taint protection mechanism.
Solution:   The vendor has issued a fix (PathTools 3.62).
Vendor URL:  cpansearch.perl.org/src/RJBS/PathTools-3.62/Changes (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jan 21 2016 (Ubuntu Issues Fix) Perl PathTools Bug in File::Spec Module Lets Remote Users Bypass Taint Restrictions on the Target System
Ubuntu has issued a fix for Ubuntu Linux 15.04 and 15.10.
Aug 20 2016 (HP Issues Fix for HPE NonStop Server) Perl PathTools Bug in File::Spec Module Lets Remote Users Bypass Taint Restrictions on the Target System
HP has issued a fix for HPE NonStop Server.



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