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Category:   Application (Generic)  >   libarchive Vendors:   libarchive
libarchive Integer Overflow in isoent_gen_joliet_identifier() in Processing ISO9660 Archives Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1036431
SecurityTracker URL:  http://securitytracker.com/id/1036431
CVE Reference:   CVE-2016-6250   (Links to External Site)
Date:  Jul 22 2016
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:   The vendor has issued a fix (3.2.1).

The vendor's advisory is available at:

https://github.com/libarchive/libarchive/issues/711

Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Sep 13 2016 (Red Hat Issues Fix) libarchive Integer Overflow in isoent_gen_joliet_identifier() in Processing ISO9660 Archives Lets Remote Users Execute Arbitrary Code
Red Hat has issued a fix for Red Hat Enterprise Linux 7.
Mar 9 2017 (Ubuntu Issues Fix) libarchive Integer Overflow in isoent_gen_joliet_identifier() in Processing ISO9660 Archives Lets Remote Users Execute Arbitrary Code
Ubuntu has issued a fix for Ubuntu Linux 12.04 LTS, 14.04 LTS, 16.04 LTS, and 16.10.



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