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Category:   Application (Generic)  >   libarchive Vendors:   libarchive
(Ubuntu Issues Fix) libarchive Integer Overflow in isoent_gen_joliet_identifier() in Processing ISO9660 Archives Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1037975
SecurityTracker URL:  http://securitytracker.com/id/1037975
CVE Reference:   CVE-2016-6250   (Links to External Site)
Date:  Mar 9 2017
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 3.2.1
Description:   A vulnerability was reported in libarchive. A remote user can cause arbitrary code to be executed on the target system.

A remote user can create a file with a specially crafted filename that, when archived as an ISO9660 archive by the target application using libarchive, will trigger an integer overflow and execute arbitrary code on the target system. The code will run with the privileges of the application using libarchive.

The original advisory is available at:

https://github.com/libarchive/libarchive/files/295073/libarchiveOverflow.txt

Christian Wressnegger, Alwin Maier, and Fabian Yamaguchi reported this vulnerability.

Impact:   A remote user can create a file that, when archived by the target application, will execute arbitrary code on the target system.
Solution:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

http://www.ubuntu.com/usn/usn-3225-1

Vendor URL:  www.ubuntu.com/usn/usn-3225-1 (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  12.04 LTS, 14.04 LTS, 16.04 LTS, 16.10

Message History:   This archive entry is a follow-up to the message listed below.
Jul 22 2016 libarchive Integer Overflow in isoent_gen_joliet_identifier() in Processing ISO9660 Archives Lets Remote Users Execute Arbitrary Code



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