Race condition in the rmtree function in the File::Path module in Perl 5.6.1 and 5.8.4 sets read/write permissions for the world, which allows local users to delete arbitrary files and directories, and possibly read files and directories, via a symlink attack.
https://www.ubuntu.com/usn/usn-44-1/
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9938
https://exchange.xforce.ibmcloud.com/vulnerabilities/18650
http://www.securityfocus.com/bid/12072
http://www.redhat.com/support/errata/RHSA-2005-105.html
http://www.redhat.com/support/errata/RHSA-2005-103.html
http://www.gentoo.org/security/en/glsa/glsa-200501-38.xml
http://www.debian.org/security/2004/dsa-620
http://secunia.com/advisories/55314
http://secunia.com/advisories/18517
http://secunia.com/advisories/12991