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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200512-10">
<title>Opera: Command-line URL shell command injection</title>
<synopsis>
Lack of URL validation in Opera command-line wrapper could be abused to
execute arbitrary commands.
</synopsis>
<product type="ebuild">opera</product>
<announced>December 18, 2005</announced>
<revised>December 18, 2005: 01</revised>
<bug>113239</bug>
<access>remote</access>
<affected>
<package name="www-client/opera" auto="yes" arch="*">
<unaffected range="ge">8.51</unaffected>
<vulnerable range="lt">8.51</vulnerable>
</package>
</affected>
<background>
<p>
Opera is a multi-platform web browser.
</p>
</background>
<description>
<p>
Peter Zelezny discovered that the shell script used to launch
Opera parses shell commands that are enclosed within backticks in the
URL provided via the command line.
</p>
</description>
<impact type="normal">
<p>
A remote attacker could exploit this vulnerability by enticing a
user to follow a specially crafted URL from a tool that uses Opera to
open URLs, resulting in the execution of arbitrary commands on the
targeted machine.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All Opera users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=www-client/opera-8.51&quot;</code>
</resolution>
<references>
<uri link="http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3750">CVE-2005-3750</uri>
<uri link="http://www.opera.com/docs/changelogs/linux/851/">Opera 8.51 Changelog</uri>
</references>
<metadata tag="requester" timestamp="Thu, 15 Dec 2005 12:24:01 +0000">
koon
</metadata>
<metadata tag="bugReady" timestamp="Thu, 15 Dec 2005 12:24:20 +0000">
koon
</metadata>
<metadata tag="submitter" timestamp="Fri, 16 Dec 2005 02:18:07 +0000">
adir
</metadata>
</glsa>