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Cisco Secure ACS Session Management Security Issue
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Secunia Advisory:
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SA20816
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Release Date:
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2006-06-26
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Last Update:
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2006-06-28
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Popularity:
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5,908 views
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Critical:
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Less critical
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Impact:
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Security Bypass
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Where:
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From local network
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Solution Status:
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Unpatched
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| Software: | Cisco Secure ACS 4.x
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| CVE reference: | CVE-2006-3226
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Description:
Darren Bounds has reported a security issue in Cisco Secure ACS, which can be exploited by malicious people to bypass certain security restrictions.
The problem is caused due to the web-based management interface handling session management in an insecure way based on the assigned service port and the client's IP address. This can be exploited to bypass the user authentication and gain full administrative access to the web interface by guessing the assigned service port to a logged in administrative user.
Successful exploitation requires that the attacker uses the same IP address as the logged in administrative user.
The security issue has been reported in version 4.0 for Windows. Other versions may also be affected.
Solution:
Only connect to the web-based management interface from dedicated management systems.
Provided and/or discovered by:
Darren Bounds
Changelog:
2006-06-28: Added CVE reference.
Original Advisory:
Cisco:
http://www.cisco.com/warp/public/707/cisco-sr-20060623-acs.shtml
Darren Bounds:
http://lists.grok.org.uk/pipermail/full-disclosure/2006-June/047301.html
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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