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TITLE:
SecureW2 Insecure Pre-Master Secret Generation

SECUNIA ADVISORY ID:
SA16909

VERIFY ADVISORY:
http://secunia.com/advisories/16909/

CRITICAL:
Less critical

IMPACT:
Exposure of sensitive information

WHERE:
>From local network

SOFTWARE:
SecureW2 3.x
http://secunia.com/product/5757/

DESCRIPTION:
Simon Josefsson has reported a security issue in SecureW2, which
potentially can be exploited by malicious people to disclose certain
sensitive information.

The security issue is caused due to the insecure generation of the
TLS pre-master secret using the "rand()" function. This may allow the
master secret to derived and could lead to the disclosure of
subsequent encrypted data.

The security issue has been reported in version 3.0. Other versions
may also be affected.

SOLUTION:
Use another product.

PROVIDED AND/OR DISCOVERED BY:
Simon Josefsson

ORIGINAL ADVISORY:
http://lists.grok.org.uk/pipermail/full-disclosure/2005-September/037352.html

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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