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TITLE:
Intoto iGateway VPN / SSL-VPN Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA22206

VERIFY ADVISORY:
http://secunia.com/advisories/22206/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
Intoto iGateway SSL-VPN
http://secunia.com/product/12172/
Intoto iGateway VPN
http://secunia.com/product/12171/

DESCRIPTION:
A vulnerability has been reported in Intoto iGateway VPN and Intoto
iGateway SSL-VPN, which can be exploited by malicious people to cause
a DoS (Denial of Service).

The vulnerability is caused due to an error within the verification
of X.509 certificates with a large public modulus and public
exponent. This can be exploited to cause a DoS via specially crafted
X.509 certificates.

SOLUTION:
Reportedly, patch can be obtained by contacting Intoto at
support@intoto.com.

PROVIDED AND/OR DISCOVERED BY:
Originally reported in OpenSSL by Dr S. N Henson.
Reported in Intoto iGateway VPN / SSL-VPN by the vendor.

ORIGINAL ADVISORY:
http://www.uniras.gov.uk/niscc/docs/re-20060928-00661.pdf?lang=en

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About:
This Advisory was delivered by Secunia as a free service to help
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Definitions: (Criticality, Where etc.)
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