Ruby 1.6.x up to 1.6.8, 1.8.x up to 1.8.2, and 1.9.0 development up to 2005-09-01 allows attackers to bypass safe level and taint flag protections and execute disallowed code when Ruby processes a program through standard input (stdin).
jvn.jp/jp/JVN%2362914675/index.html
lists.apple.com/archives/security-announce/2006/May/msg00003.html
secunia.com/advisories/16904
secunia.com/advisories/17094
secunia.com/advisories/17098
secunia.com/advisories/17129
secunia.com/advisories/17147
secunia.com/advisories/17285
secunia.com/advisories/19130
secunia.com/advisories/20077
securityreason.com/securityalert/59
www.debian.org/security/2005/dsa-860
www.debian.org/security/2005/dsa-862
www.debian.org/security/2005/dsa-864
www.gentoo.org/security/en/glsa/glsa-200510-05.xml
www.kb.cert.org/vuls/id/160012
www.mandriva.com/security/advisories?name=MDKSA-2005:191
www.novell.com/linux/security/advisories/2006_05_sr.html
www.redhat.com/support/errata/RHSA-2005-799.html
www.ruby-lang.org/en/20051003.html
www.securityfocus.com/bid/14909
www.securityfocus.com/bid/17951
www.securitytracker.com/alerts/2005/Sep/1014948.html
www.ubuntu.com/usn/usn-195-1
www.us-cert.gov/cas/techalerts/TA06-132A.html
www.vupen.com/english/advisories/2006/1779
exchange.xforce.ibmcloud.com/vulnerabilities/22360
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10564