Certain BSD-based Telnet clients, including those used on Solaris and SuSE Linux, allow remote malicious Telnet servers to read sensitive environment variables via the NEW-ENVIRON option with a SEND ENV_USERVAR command.Referenceshttp://lists.apple.com/archives/security-announce/2006//Aug/msg00000.htmlhttp://www.redhat.com/support/errata/RHSA-2005-504.htmlhttp://securitytracker.com/id?1014203http://www.securityfocus.com/bid/13940http://sunsolve.sun.com/search/document.do?assetkey=1-26-57755-1http://www.vupen.com/english/advisories/2006/3101http://secunia.com/advisories/21253http://www.kb.cert.org/vuls/id/800829http://www.securityfocus.com/bid/19289http://www.redhat.com/support/errata/RHSA-2005-562.htmlhttp://www.us-cert.gov/cas/techalerts/TA06-214A.htmlhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11373http://sunsolve.sun.com/search/document.do?assetkey=1-26-101665-1https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1139http://idefense.com/application/poi/display?id=260&type=vulnerabilitieshttp://secunia.com/advisories/17135http://sunsolve.sun.com/search/document.do?assetkey=1-26-57761-1http://sunsolve.sun.com/search/document.do?assetkey=1-26-101671-1http://www.novell.com/linux/security/advisories/2005_16_sr.html