Passlogix v-GO Self-Service Password Reset Bypass via Invalid SSL Certificate

2011.02.09
Credit: Garrett Held
Risk: Medium
Local: Yes
Remote: No
CWE: CWE-310


Ogólna skala CVSS: 6.2/10
Znaczenie: 10/10
Łatwość wykorzystania: 1.9/10
Wymagany dostęp: Lokalny
Złożoność ataku: Wysoka
Autoryzacja: Nie wymagana
Wpływ na poufność: Pełny
Wpływ na integralność: Pełny
Wpływ na dostępność: Pełny

Trustwave's SpiderLabs Security Advisory TWSL2010-007: Passlogix v-GO Self-Service Password Reset Bypass via Invalid SSL Certificate https://www.trustwave.com/spiderlabs/advisories/TWSL2010-007.txt Published: 2010-12-10 Version: 1.0 Vendor: Oracle Passlogix (http://www.passlogix.com/) Product: Passlogix v-GO Self-Service Password Reset and OEM versions Version(s) affected: Versions prior to 7.0A - note that no currently supported release is affected Internet Explorer Versions Vulnerable: IE6, IE7 Product description: Passlogix v-GO SSPR provides users with a fast, secure way to regain access to their computer by automating Windows password reset. Users can reset their password or unlock their Windows account directly from their locked out workstation, so that they can get to their applications within seconds - without having to pick up the telephone or go to another workstation. Credit: Garrett Held of Trustwave's SpiderLabs CVE: CVE-2010-4506 Finding: When a user clicks the button on the login window to reset their Windows or AD password, a locked-down IE browser shows a form to answer questions before allowing a reset. If for any reason an invalid SSL Certificate is used by the password reset site, the resulting Internet Explorer alert will ask if the user would like to accept, deny, or view the details. By navigating through the windows using the following method, a user can execute a program without authentication. When the certificate error popup is shown there will be three tabs: "General", "Details", and "Certification Path" Choose the "Details" tab then click on the "Copy to File" button that is now shown in the bottom right. This will cause a "Certificate Export" wizard to appear. Click the "Next >" button until you reach the "File To Export" page (third page) which displays a "Browse" button. Click this and a "Save As" dialog box will appear which also allows you to navigate the filesystem. You can now browse the file system for executables such as "explorer.exe" and launch an application by right clicking the file and selecting "Open". While an SSL certificate left to expire may create this problem, other methods may be used to induce certificate failures, such as: * Man-In-The-Middle attack, which requires network access to spoof the router and relay any certificate back to client except a valid one. * System settings change, such as a future date, which would not match the certificate. Vendor Response: Vendor confirmed this vulnerability was patched in version 7.0A, released in November of 2009. Remediation Steps: This issue was addressed with the release of v-GO SSPR 7.0A. Passlogix has since been acquired by Oracle, and the current release is Oracle ESSO 11.1.1.2.0. Please note that this vulnerability does not affect any currently supported or available versions. Vendor Communication Timeline: 11/1/10 - Vendor contacted 11/8/10 - Vendor confirmed vulnerability was addressed with release of 7.0A 12/3/10 - Vendor notified of release date 12/10/10 - Advisory released Revision History: 1.0 Initial publication About Trustwave: Trustwave is the leading provider of on-demand and subscription-based information security and payment card industry compliance management solutions to businesses and government entities throughout the world. For organizations faced with today's challenging data security and compliance environment, Trustwave provides a unique approach with comprehensive solutions that include its flagship TrustKeeper compliance management software and other proprietary security solutions. Trustwave has helped thousands of organizations--ranging from Fortune 500 businesses and large financial institutions to small and medium-sized retailers--manage compliance and secure their network infrastructure, data communications and critical information assets. Trustwave is headquartered in Chicago with offices throughout North America, South America, Europe, Africa, China and Australia. For more information, visit https://www.trustwave.com About Trustwave's SpiderLabs: SpiderLabs is the advance security team at Trustwave responsible for incident response and forensics, ethical hacking and application security tests for Trustwave's clients. SpiderLabs has responded to hundreds of security incidents, performed thousands of ethical hacking exercises and tested the security of hundreds of business applications for Fortune 500 organizations. For more information visit https://www.trustwave.com/spiderlabs Disclaimer: The information provided in this advisory is provided "as is" without warranty of any kind. Trustwave disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Trustwave or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Trustwave or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.

Referencje:

https://www.trustwave.com/spiderlabs/advisories/TWSL2010-007.txt


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