GLSA 200512-10: Opera: Command-line URL shell command injection

http://security.gentoo.org/

Severity:	normal
Title:	Opera: Command-line URL shell command injection
Date:	12/18/2005
Bugs:	#113239
ID:	200512-10

Synopsis

Lack of URL validation in Opera command-line wrapper could be abused to execute arbitrary commands.

Background

Opera is a multi-platform web browser.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
www-client/opera	< 8.51	>= 8.51	All supported architectures

Description

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.

Impact

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.

Workaround

There is no known workaround at this time.

Resolution

All Opera users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=www-client/opera-8.51"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200512-10.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.