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                                   CERT-Renater

                        Note d'Information No. 2008/VULN409
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DATE                      : 08/10/2008

HARDWARE PLATFORM(S)      : /

OPERATING SYSTEM(S)       : Systems running Opera versions prior to 9.6.

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http://www.opera.com/support/search/view/901/
http://www.opera.com/support/search/view/902/
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Advisory: Specially crafted addresses can execute arbitrary code


Severity: Extremely Severe


Problem Description

If a malicious page redirects Opera to a specially crafted address
(URL), it can cause Opera to crash. Given sufficient address content,
the crash could cause execution of code controlled by the attacking
page.


Opera's Response

Opera Software has released Opera 9.60, where this issue has been fixed.


Credits

Thanks to Chris of Matasano Security for reporting this issue to Opera
Software.
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Advisory: Java applets can be used to read sensitive information


Severity: Highly Severe


Problem Description

Once a Java applet has been cached, if a page can predict the cache path
for that applet, it can load the applet from the cache, causing it to
run in the context of the local machine. This allows it to read other
cache files on the computer or perform other normally more restrictive
actions. These files could contain sensitive information, which could
then be sent to the attacker.


Opera's Response

Opera Software has released Opera 9.60, where this issue has been fixed.


Credits

Thanks to Nate McFeters for reporting this issue to Opera Software.

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          Les serveurs de référence du CERT-Renater
          http://www.urec.fr/securite
          http://www.cru.fr/securite
          http://www.renater.fr
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          + CERT-RENATER          | tel : 01-53-94-20-44          +
          + 151 bd de l'Hopital   | fax : 01-53-94-20-41          +
          + 75013 Paris           | email: certsvp@renater.fr     +
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