load_webdav in Apple Mac OS X 10.3.9 through 10.4.9 does not properly clean the environment when mounting a WebDAV filesystem, which allows local users to gain privileges by setting unspecified environment variables.Referenceshttp://secunia.com/advisories/24966http://docs.info.apple.com/article.html?artnum=305391http://www.securityfocus.com/bid/23569http://www.securitytracker.com/id?1017942http://www.us-cert.gov/cas/techalerts/TA07-109A.htmlhttp://www.kb.cert.org/vuls/id/474969http://www.osvdb.org/34871http://lists.apple.com/archives/Security-announce/2007/Apr/msg00001.htmlhttp://www.vupen.com/english/advisories/2007/1470
