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     áòèé÷ :: Security-alerts
Security-Alerts mailing list archive (security-alerts@yandex-team.ru)

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[security-alerts] FW: [SA19300] FreeRADIUS EAP-MSCHAPv2 Denial of Service Vulnerability



> 
> 
> TITLE:
> FreeRADIUS EAP-MSCHAPv2 Denial of Service Vulnerability
> 
> SECUNIA ADVISORY ID:
> SA19300
> 
> VERIFY ADVISORY:
> http://secunia.com/advisories/19300/
> 
> CRITICAL:
> Less critical
> 
> IMPACT:
> DoS
> 
> WHERE:
> From local network
> 
> SOFTWARE:
> FreeRADIUS 1.x
> http://secunia.com/product/3921/
> 
> DESCRIPTION:
> A vulnerability has been reported in FreeRADIUS, which can be
> exploited by malicious people to cause a DoS (Denial of Service).
> 
> The vulnerability is caused due to an input validation error in the
> EAP-MSCHAPv2 state machine. This can be exploited by manipulating the
> EAP-MSCHAPv2 state machine on a radius client to bypass server
> authentication checks and cause the server to crash.
> 
> The vulnerability has been reported in version 1.0.0 through 1.1.0.
> 
> SOLUTION:
> Update to version 1.1.1.
> http://www.freeradius.org/getting.html
> 
> PROVIDED AND/OR DISCOVERED BY:
> The vendor credits Steffen Schuster.
> 
> ORIGINAL ADVISORY:
> http://www.freeradius.org/security.html
> 
> ----------------------------------------------------------------------
> 



 




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