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TITLE:
ATEN KH1516i / KN9116 Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA35241

VERIFY ADVISORY:
http://secunia.com/advisories/35241/

DESCRIPTION:
Some vulnerabilities have been reported in ATEN KH1516i and KN9116,
which can be exploited by malicious people to disclose sensitive
information, manipulate certain data, and potentially compromise a
user's system.

1) An error exists in the key exchange process when negotiating a
symmetric session key via RSA. This can be exploited extract the
session key by intercepting traffic and e.g. potentially execute
arbitrary code on connected machines via MitM (Man-in-the-Middle)
attacks.

2) Mouse events are transferred between a client and the KVM switch
via an unencrypted data channel. This can be exploited to inject e.g.
arbitrary mouse clicks via MitM (Man-in-the-Middle) attacks.

3) The web interface session cookie does not contain the "Secure"
attribute. This can be exploited to obtain the cookie and potentially
gain access to connected machines by redirecting the user's browser to
a HTTP connection.

The vulnerabilities are reported in KH1516i and KN9116. Other
products may also be affected.

SOLUTION:
Use the products in trusted networks only.

PROVIDED AND/OR DISCOVERED BY:
Jakob Lell from the TU Berlin computer security working group

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