Zend Optimizer 3.3.3 (Windows) Insecure Permissions
Title: Zend Optimizer 3.3.3 (Windows) Insecure Permissions
Advisory ID: ZSL-2012-5083
Type: Local
Impact: Privilege Escalation
Risk: (2/5)
Release Date: 03.04.2012
* Note: The patch did not change the version number of the affected product, so the updated version is still 3.3.3, but with proper permissions.
[23.02.2012] Contact with the vendor.
[23.02.2012] Vendor responds asking for details.
[24.02.2012] Sent detailed information to the vendor.
[24.02.2012] Vendor assigns appropriate team for coordination.
[27.02.2012] Vendor is analyzing the issue, working on a fix.
[27.02.2012] Asked vendor for confirmation and scheduled patch release date.
[28.02.2012] Vendor replies with confirmation of the issue.
[05.03.2012] Asked vendor for status update.
[06.03.2012] Vendor created fix for the issue, promising patch release date.
[07.03.2012] Sent coordination details to the vendor.
[14.03.2012] Asked vendor for status update.
[14.03.2012] Vendor replies.
[21.03.2012] Sent advisory release information to the vendor.
[21.03.2012] Vendor extends the patch release date.
[29.03.2012] Vendor publishes new version to address this issue.
[03.04.2012] Coordinated public security advisory released.
[2] http://www.zend.com/en/products/guard/downloads
[3] http://www.securityfocus.com/bid/52866
[4] http://packetstormsecurity.org/files/111530
[5] http://cxsecurity.com/issue/WLB-2012040044
[6] http://secunia.com/advisories/48642/
[7] http://www.osvdb.org/show/osvdb/80935
[8] http://xforce.iss.net/xforce/xfdb/74580
[04.04.2012] - Added reference [4] and [5]
[06.04.2012] - Added reference [6] and [7]
[20.04.2012] - Added reference [8]
Web: http://www.zeroscience.mk
e-mail: lab@zeroscience.mk
Advisory ID: ZSL-2012-5083
Type: Local
Impact: Privilege Escalation
Risk: (2/5)
Release Date: 03.04.2012
Summary
Zend Optimizer is a free application that runs the files encoded using Zend Guard and enhances the overall performance of your PHP applications.Description
The Zend Optimizer package for Windows is vulnerable to an elevation of privileges vulnerability which can be used by a simple user that can change the library file with a binary of choice. The vulnerability exist due to the improper permissions, with the 'F' flag (full control) for the 'Everyone' group, for the 'ZendExtensionManager.dll' library file and 'ZendOptimizer.dll' which are bundled with the Zend Optimizer (Runtime for PHP 5.2 and earlier) installation package.Vendor
Zend Technologies Ltd. - http://www.zend.comAffected Version
3.3.3* and 3.3.0** Note: The patch did not change the version number of the affected product, so the updated version is still 3.3.3, but with proper permissions.
Tested On
Microsoft Windows XP Professional SP3 (EN)Vendor Status
[01.02.2012] Vulnerability discovered.[23.02.2012] Contact with the vendor.
[23.02.2012] Vendor responds asking for details.
[24.02.2012] Sent detailed information to the vendor.
[24.02.2012] Vendor assigns appropriate team for coordination.
[27.02.2012] Vendor is analyzing the issue, working on a fix.
[27.02.2012] Asked vendor for confirmation and scheduled patch release date.
[28.02.2012] Vendor replies with confirmation of the issue.
[05.03.2012] Asked vendor for status update.
[06.03.2012] Vendor created fix for the issue, promising patch release date.
[07.03.2012] Sent coordination details to the vendor.
[14.03.2012] Asked vendor for status update.
[14.03.2012] Vendor replies.
[21.03.2012] Sent advisory release information to the vendor.
[21.03.2012] Vendor extends the patch release date.
[29.03.2012] Vendor publishes new version to address this issue.
[03.04.2012] Coordinated public security advisory released.
PoC
zendoptimizer_iperms.txtCredits
Vulnerability discovered by Gjoko Krstic - <gjoko@zeroscience.mk>References
[1] http://static.zend.com/topics/Zend-Optimizer-3.3.3-Release-Notes-V2.txt[2] http://www.zend.com/en/products/guard/downloads
[3] http://www.securityfocus.com/bid/52866
[4] http://packetstormsecurity.org/files/111530
[5] http://cxsecurity.com/issue/WLB-2012040044
[6] http://secunia.com/advisories/48642/
[7] http://www.osvdb.org/show/osvdb/80935
[8] http://xforce.iss.net/xforce/xfdb/74580
Changelog
[03.04.2012] - Initial release[04.04.2012] - Added reference [4] and [5]
[06.04.2012] - Added reference [6] and [7]
[20.04.2012] - Added reference [8]
Contact
Zero Science LabWeb: http://www.zeroscience.mk
e-mail: lab@zeroscience.mk
