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A new version (0.9.0.0 - Release Candidate 1) of the free Secunia PSI
has been released. The new version includes many new and advanced
features, which makes it even easier to stay patched.

Download and test it today:
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Read more about this new version:
https://psi.secunia.com/?page=changelog

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TITLE:
Omegasoft Insel User Enumeration and Security Bypass

SECUNIA ADVISORY ID:
SA28410

VERIFY ADVISORY:
http://secunia.com/advisories/28410/

CRITICAL:
Less critical

IMPACT:
Security Bypass, Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
Omegasoft Insel
http://secunia.com/product/10264/

DESCRIPTION:
MC Iglo has reported a weakness and a vulnerability in Omegasoft
Insel, which can be exploited by malicious people to determine valid
usernames and by malicious users to potentially bypass certain
security restrictions.

1) The problem is that a different response is sent when using a
valid or invalid username, which can be exploited to determine valid
usernames.

2) An error in the authentication process can be exploited to login
as an arbitrary user without valid user credentials by providing
specially crafted cookies.

SOLUTION:
Vulnerability #2 is reportedly fixed in Rel.9 Sp 10.

PROVIDED AND/OR DISCOVERED BY:
MC Iglo

ORIGINAL ADVISORY:
http://archives.neohapsis.com/archives/bugtraq/2008-01/0099.html

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About:
This Advisory was delivered by Secunia as a free service to help
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