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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.

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Read more about this new version:
https://psi.secunia.com/?page=changelog

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TITLE:
IBM Lotus Notes Java Applet Signature Execution Control List Security
Bypass

SECUNIA ADVISORY ID:
SA29031

VERIFY ADVISORY:
http://secunia.com/advisories/29031/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
IBM Lotus Notes 6.x
http://secunia.com/product/388/
IBM Lotus Notes 7.x
http://secunia.com/product/7953/
IBM Lotus Notes 8.x
http://secunia.com/product/16277/

DESCRIPTION:
A security issue has been reported in IBM Lotus Notes, which can be
exploited by malicious people to bypass certain security mechanisms.

The problem is that it is possible to bypass the ECL (Execution
Control List ) mechanism when e.g. a user who receives a mail
containing an unsigned java applet forwards the mail to another user,
which causes the unsigned applet to be signed by the original user.

Successful exploitation requires that the recipient of the forwarded
mail has the "Enable Java Applets" option enabled, the ECL configured
to allow the sender to execute Java, and that the sender is trusted to
sign Java applets.

The security issue affects versions 6.0, 6.5, 7.0, and 8.0.

SOLUTION:
The vendor recommends disabling the "Enable Java Applets" option or
using a trusted signature for all Java Applets.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits David Gloede.

ORIGINAL ADVISORY:
http://www-1.ibm.com/support/docview.wss?uid=swg21257250

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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:
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http://secunia.com/about_secunia_advisories/


Please Note:
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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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