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Cisco IOS RADIUS Authentication Security Bypass
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Secunia Advisory:
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SA15850
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Release Date:
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2005-06-30
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Last Update:
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2005-07-12
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Popularity:
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11,429 views
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Critical:
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Moderately critical
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Impact:
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Security Bypass
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| OS: | Cisco IOS 12.x
Cisco IOS R12.x
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Secunia CVSS-2 Score:
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Available in Secunia business solutions 
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| Advisory Content (Page 1 of 3) | [ 1 ] [ 2 ] [ 3 ] | |
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Description:
A vulnerability has been reported in Cisco IOS, which can be exploited by malicious people to bypass RADIUS authentication.
The vulnerability is caused due to an error in the AAA (Authentication, Authorization, and Accounting) RADIUS authentication method making it possible to bypass it by supplying an overly long username.
Successful exploitation bypasses the RADIUS authentication.
The vulnerability only affects devices running the following version of Cisco IOS and configured with a RADIUS authentication and a fallback method to "none" with "local" or no other method in between:
* 12.2T based trains
* 12.3 based trains
* 12.3T based trains
* 12.4 based trains
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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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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