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Category:   Application (E-mail Server)  >   Mailman Vendors:   GNU [multiple authors]
(Ubuntu Issues Fix) Mailman Transport Script Directory Traversal Bug Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1032034
SecurityTracker URL:  http://securitytracker.com/id/1032034
CVE Reference:   CVE-2015-2775   (Links to External Site)
Date:  Apr 7 2015
Impact:   User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 2.1.20
Description:   A vulnerability was reported in Mailman. A local user can obtain elevated privileges on the target system.

On systems where the Mailman Transport for Exim or the Postfix postfix_to_mailman.py transport is used, a local user can create a specially crafted directory containing a 'config.pck' file and then send email to an address containing directory traversal characters to cause Mailman to execute the file.

Impact:   A local user can obtain Mailman privileges on the target system.
Solution:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

http://www.ubuntu.com/usn/usn-2558-1

Vendor URL:  mailman.sourceforge.net/ (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  12.04 LTS, 14.04 LTS, 14.10

Message History:   This archive entry is a follow-up to the message listed below.
Apr 7 2015 Mailman Transport Script Directory Traversal Bug Lets Local Users Gain Elevated Privileges



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