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AUSCERT External Security Bulletin Redistribution
ESB-2008.0492 -- [Win]
Microsoft Internet Explorer 7 DisableCachingOfSSLPages may
not prevent caching
14 May 2008
AusCERT Security Bulletin Summary
Product: Internet Explorer 7
Operating System: Windows
Impact: Access Confidential Data
Access: Existing Account
CVE Names: CVE-2008-2159
Original Bulletin: http://www.kb.cert.org/vuls/id/468843
Revision History: May 14 2008: Added CVE Reference
May 13 2008: Initial Release
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Vulnerability Note VU#468843
Microsoft Internet Explorer 7 DisableCachingOfSSLPages may not prevent
Setting the Internet Explorer 7 option DisableCachingOfSSLPages may not
prevent the caching of SSL-enabled web pages.
Administrators and users can set the Internet Explorer
DisableCachingOfSSLPages option to prevent sensitive or private data from
being saved to disk. The registry key for this setting is:
After enabling this setting, Internet Explorer 7 may still cache
SSL-enabled web pages to disk.
Private or sensitive data may be written to disk inadvertently.
We are currently unaware of a practical solution to this problem.
Securely deleting or encrypting the Internet Explorer 7 browser cache
(%userprofile%\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low)
that contains the sensitive information will mitigate this vulnerability.
Vendor Status Date Updated
Microsoft Corporation Vulnerable 22-Apr-2008
Thanks to Bill KNox from MITRE for reporting this vulnerability.
This document was written by Ryan Giobbi.
Date Public 05/09/2008
Date First Published 05/09/2008 07:59:14 AM
Date Last Updated 05/09/2008
US-CERT Technical Alerts
Document Revision 18
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