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Category:   Application (Generic)  >   UnZip Vendors:   Info-ZIP
UnZip Buffer Overflows in '-t' Command Line Option Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1031433
SecurityTracker URL:  http://securitytracker.com/id/1031433
CVE Reference:   CVE-2014-8139, CVE-2014-8140, CVE-2014-8141   (Links to External Site)
Date:  Dec 23 2014
Impact:   Execution of arbitrary code via network, User access via network
Vendor Confirmed:  Yes  
Version(s): 6.0 and prior versions
Description:   Three vulnerabilities were reported in UnZip. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create a specially crafted zip file that, when processed by the target user with the '-t' command line option, will trigger a buffer overflow and execute arbitrary code on the target system. The code will run with the privileges of the target user.

The CRC32 processing code is affected [CVE-2014-8139].

The test_compr_eb() function is affected [CVE-2014-8140].

The getZip64Data() function is affected [CVE-2014-8141].

The original advisory is available at:

http://www.ocert.org/advisories/ocert-2014-011.html

Michele Spagnuolo of Google Security Team reported this vulnerability.

Impact:   A remote user can create a zip file that, when loaded by the target user, will execute arbitrary code on the target user's system.
Solution:   No solution was available at the time of this entry.
Vendor URL:  www.info-zip.org/UnZip.html (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.
Mar 18 2015 (Red Hat Issues Fix) UnZip Buffer Overflows in '-t' Command Line Option Let Remote Users Execute Arbitrary Code
Red Hat has issued a fix for Red Hat Enterprise Linux 6 and 7.
Jul 15 2015 (IBM Issues Fix for IBM Security Network Protection) UnZip Buffer Overflows in '-t' Command Line Option Let Remote Users Execute Arbitrary Code
IBM has issued a fix for IBM Security Network Protection.
Jul 25 2015 (IBM Issues Fix for IBM Security Proventia Network Enterprise Scanner) UnZip Buffer Overflows in '-t' Command Line Option Let Remote Users Execute Arbitrary Code
IBM has issued a fix for IBM Security Proventia Network Enterprise Scanner.



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