The Free Software Foundation (FSF) Berkeley DB NSS module (aka libnss-db) 2.2.3pre1 reads the DB_CONFIG file in the current working directory, which allows local users to obtain sensitive information via a symlink attack involving a setgid or setuid application that uses this module.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6681
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10727
https://bugs.launchpad.net/ubuntu/+source/libnss-db/+bug/531976
http://www.vupen.com/english/advisories/2010/0903
http://www.vupen.com/english/advisories/2010/0841
http://www.vupen.com/english/advisories/2010/0776
http://www.ubuntu.com/usn/USN-922-1
http://www.securityfocus.com/bid/39132
http://www.mandriva.com/security/advisories?name=MDVSA-2010:077
http://secunia.com/advisories/39165
http://lists.fedoraproject.org/pipermail/package-announce/2010-April/038760.html
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705