<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="200911-06"> <title>PEAR Net_Traceroute: Command injection</title> <synopsis> An input sanitation error in PEAR Net_Traceroute might allow remote attackers to execute arbitrary commands. </synopsis> <product type="ebuild">PEAR-Net_Traceroute</product> <announced>2009-11-26</announced> <revised count="01">2009-11-26</revised> <bug>294264</bug> <access>remote</access> <affected> <package name="dev-php/PEAR-Net_Traceroute" auto="yes" arch="*"> <unaffected range="ge">0.21.2</unaffected> <vulnerable range="lt">0.21.2</vulnerable> </package> </affected> <background> <p> PEAR Net_Traceroute is an OS independent wrapper class for executing traceroute calls from PHP. </p> </background> <description> <p> Pasquale Imperato reported that the $host parameter to the traceroute() function in Traceroute.php is not properly sanitized before being passed to exec(). </p> </description> <impact type="high"> <p> 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. </p> </impact> <workaround> <p> Ensure that all data that is passed to the traceroute() function is properly shell escaped (for instance using the escapeshellcmd() function). </p> </workaround> <resolution> <p> All PEAR Net_Traceroute users should upgrade to the latest version: </p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=dev-php/PEAR-Net_Traceroute-0.21.2"</code> </resolution> <references> <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4025">CVE-2009-4025</uri> </references> <metadata tag="requester" timestamp="2009-11-26T07:38:17Z"> a3li </metadata> <metadata tag="submitter" timestamp="2009-11-26T07:53:00Z"> a3li </metadata> <metadata tag="bugReady" timestamp="2009-11-26T19:14:35Z"> a3li </metadata> </glsa>