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HistoryDec 01, 2009 - 12:00 a.m.

[ GLSA 200911-06 ] PEAR Net_Traceroute: Command injection

2009-12-0100:00:00
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Gentoo Linux Security Advisory GLSA 200911-06


                                        http://security.gentoo.org/

Severity: High
Title: PEAR Net_Traceroute: Command injection
Date: November 26, 2009
Bugs: #294264
ID: 200911-06


Synopsis

An input sanitation error in PEAR Net_Traceroute might allow remote
attackers to execute arbitrary commands.

Background

PEAR Net_Traceroute is an OS independent wrapper class for executing
traceroute calls from PHP.

Affected packages

-------------------------------------------------------------------
 Package                      /  Vulnerable  /          Unaffected
-------------------------------------------------------------------

1 dev-php/PEAR-Net_Traceroute < 0.21.2 >= 0.21.2

Description

Pasquale Imperato reported that the $host parameter to the traceroute()
function in Traceroute.php is not properly sanitized before being
passed to exec().

Impact

A remote attacker could exploit this vulnerability when user input is
passed directly to PEAR Net_Traceroute in a PHP script, possibly
resulting in the remote execution of arbitrary shell commands with the
privileges of the user running the affected PHP script.

Workaround

Ensure that all data that is passed to the traceroute() function is
properly shell escaped (for instance using the escapeshellcmd()
function).

Resolution

All PEAR Net_Traceroute users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose
&quot;&gt;=dev-php/PEAR-Net_Traceroute-0.21.2&quot;

References

[ 1 ] CVE-2009-4025
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4025

Availability

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-200911-06.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
[email protected] or alternatively, you may file a bug at
https://bugs.gentoo.org.

License

Copyright 2009 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5

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