Secunia Research has discovered a vulnerability in Opera, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to the shell script used to launch Opera parsing shell commands that are enclosed within backticks in the URL provided via the command line. This can e.g. be exploited to execute arbitrary shell commands by tricking a user into following a malicious link in an external application which uses Opera as the default browser (e.g. the mail client Evolution on Red Hat Enterprise Linux 4).
This vulnerability can only be exploited on Unix / Linux based environments.
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Subject: Opera Command Line URL Shell Command Injection
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