CVE-2001-0170
glibc 2.1.9x and earlier does not properly clear the RESOLV_HOST_CONF, HOSTALIASES, or RES_OPTIONS environmental variables when executing setuid/setgid programs, which could allow local users to read arbitrary files.
Date published : 2001-05-07
http://www.securityfocus.com/bid/2181
http://archives.neohapsis.com/archives/bugtraq/2001-01/0131.html