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Category:   Application (Generic)  >   Perl Vendors:   Wall, Larry
(Ubuntu Issues Fix) Perl XSLoader Relative Path Error Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1040686
SecurityTracker URL:
CVE Reference:   CVE-2016-6185   (Links to External Site)
Date:  Apr 17 2018
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:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  14.04 LTS, 16.04 LTS, 17.10

Message History:   This archive entry is a follow-up to the message listed below.
Jul 9 2016 Perl XSLoader Relative Path Error Lets Local Users Gain Elevated Privileges

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Content previously copyright LLC placed in the public domain on December 31, 2019.