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Category:   Application (Generic)  >   unattended-upgrades Vendors:   [Multiple Authors/Vendors]
unattended-upgrades File Authentication Bypass Flaw Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1032738
SecurityTracker URL:  http://securitytracker.com/id/1032738
CVE Reference:   CVE-2015-1330   (Links to External Site)
Updated:  Jul 24 2015
Original Entry Date:  Jun 29 2015
Impact:   Execution of arbitrary code via network, Modification of system information, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in unattended-upgrades. A remote user can cause arbitrary code to be executed on the target system.

On systems with the 'force-confold' or 'force-confnew' dpkg options enabled via the DPkg::Options::* apt configuration, the system does not properly authenticate downloaded package files. A remote user that can conduct a man-in-the-middle attack can modify package files to cause the target system to execute arbitrary code.

Michael Vogt reported this vulnerability.

Impact:   A remote user that can conduct a man-in-the-middle attack can cause arbitrary code to be executed on the target system.
Solution:   The vendor has issued a fix.

[Editor's note: Individual Linux distribution vendors have issued a fix for their distribution.]

Cause:   Authentication error
Underlying OS:  Linux (Debian), Linux (Ubuntu)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jun 29 2015 (Ubuntu Issues Fix) unattended-upgrades File Authentication Bypass Flaw Lets Remote Users Execute Arbitrary Code
Ubuntu has issued a fix for Ubuntu 12.04 LTS, 14.04 LTS, 14.10, and 15.04.



 Source Message Contents



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