Directory traversal vulnerability in ld.so.1 in Sun Solaris 8, 9, and 10 allows local users to execute arbitrary code via a .. (dot dot) sequence in the LANG environment variable that points to a locale file containing attacker-controlled format string specifiers.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2121
https://exchange.xforce.ibmcloud.com/vulnerabilities/30849
http://www.vupen.com/english/advisories/2006/4979
http://www.securityfocus.com/bid/21564
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102724-1
http://securitytracker.com/id?1017376
http://secunia.com/advisories/23317
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=449