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Category:   Application (Generic)  >   Perl Vendors:   Wall, Larry
Perl XSLoader Relative Path Error Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1036260
SecurityTracker URL:  https://securitytracker.com/id/1036260
CVE Reference:   CVE-2016-6185   (Links to External Site)
Date:  Jul 9 2016
Impact:   Execution of arbitrary code via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Perl. A local user can obtain elevated privileges on the target system.

A local user can supply specially crafted data to the XSLoader component to load arbitrary code from the current working directory, even if the current directory has been excluded from @INC.

Jakub Wilk reported this vulnerability.

Impact:   A local user with access to the current working directory can cause arbitrary code to be executed from the current working directory.
Solution:   The vendor has issued a source code fix, available at:

http://perl5.git.perl.org/perl.git/commit/08e3451d7b3b714ad63a27f1b9c2a23ee75d15ee

Vendor URL:  www.perl.org/ (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.
Apr 17 2018 (Ubuntu Issues Fix) Perl XSLoader Relative Path Error Lets Local Users Gain Elevated Privileges
Ubuntu has issued a fix for Ubuntu Linux 14.04 LTS, 16.04 LTS, and 17.10.



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