Argument injection vulnerability in the ping function in Ping.php in the Net_Ping package before 2.4.5 for PEAR allows remote attackers to execute arbitrary shell commands via the host parameter. NOTE: this has also been reported as a shell metacharacter problem.
https://www.redhat.com/archives/fedora-package-announce/2009-November/msg01152.html
https://www.redhat.com/archives/fedora-package-announce/2009-November/msg01130.html
https://www.redhat.com/archives/fedora-package-announce/2009-November/msg01044.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/54390
http://www.vupen.com/english/advisories/2009/3320
http://www.securityfocus.com/bid/37093
http://www.debian.org/security/2009/dsa-1949
http://svn.php.net/viewvc/pear/packages/Net_Ping/trunk/Ping.php?r1=274728&r2=290669&pathrev=290669
http://secunia.com/advisories/37502
http://secunia.com/advisories/37451
http://pear.php.net/package/Net_Ping/download/2.4.5
http://pear.php.net/advisory20091114-01.txt
http://blog.pear.php.net/2009/11/14/net_traceroute-and-net_ping-security-advisory/