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Category:   Application (Web Server/CGI)  >   Apache Tomcat Vendors:   Apache Software Foundation
(Apple Issues Fix for Mac OS X) Tomcat Single Quote Cookie Processing Bug Lets Remote Users Obtain Session Information
SecurityTracker Alert ID:  1020401
SecurityTracker URL:
CVE Reference:   CVE-2007-3382   (Links to External Site)
Date:  Jul 1 2008
Impact:   Disclosure of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.3 to 3.3.2, 4.1.0 to 4.1.36, 5.0.0 to 5.0.30, 5.5.0 to 5.5.24, 6.0.0 to 6.0.13
Description:   A vulnerability was reported in Tomcat. A remote user can obtain session information.

The software incorrectly interprets a single quote (') character in a cookie value as a delimiter. A remote user may be able to exploit this to hijack sessions.

A demonstration exploit URL is provided:


Tomasz Kuczynski, Poznan Supercomputing and Networking Center and CERT/CC reported this vulnerability.

Impact:   A remote user can may be able to hijack sessions.
Solution:   Apple has issued a fix for Mac OS X (Security Update 2008-004 and Mac OS X 10.5.4), which can be downloaded and installed via Software Update preferences, or from Apple Downloads at:

The vendor's advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Access control error
Underlying OS:  UNIX (macOS/OS X)
Underlying OS Comments:  10.4.11

Message History:   This archive entry is a follow-up to the message listed below.
Aug 14 2007 Tomcat Single Quote Cookie Processing Bug Lets Remote Users Obtain Session Information

 Source Message Contents

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