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Category:   Application (Generic)  >   libarchive Vendors:   libarchive
libarchive Integer Overflow in Processing Files Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1036173
SecurityTracker URL:  http://securitytracker.com/id/1036173
CVE Reference:   CVE-2016-5844   (Links to External Site)
Date:  Jun 25 2016
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.2.0 and prior
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 specially crafted file that, when loaded by the target application, will trigger an integer overflow in choose_volume() and execute arbitrary code on the target system.

The original advisory is available at:

https://blog.fuzzing-project.org/48-Out-of-bounds-read-and-signed-integer-overflow-in-libarchive.html

Hanno Boeck reported this vulnerability.

Impact:   A remote user can a file that, when processed 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://groups.google.com/forum/#!topic/libarchive-announce/lyaOLoBI1Fs

Vendor URL:  www.libarchive.org/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jul 15 2016 (Ubuntu Issues Fix) libarchive Integer Overflow in Processing Files Lets Remote Users Execute Arbitrary Code
Ubuntu has issued a fix for Ubuntu Linux 12.04 LTS, 14.04 LTS, 15.10, and 16.04 LTS.
Sep 13 2016 (Red Hat Issues Fix) libarchive Integer Overflow in Processing Files Lets Remote Users Execute Arbitrary Code
Red Hat has issued a fix for Red Hat Enterprise Linux 7.
Sep 13 2016 (Red Hat Issues Fix) libarchive Integer Overflow in Processing Files Lets Remote Users Execute Arbitrary Code
Red Hat has issued a fix for Red Hat Enterprise Linux 6.



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