The der_chop script in the openssl package in Trustix Secure Linux 1.5 through 2.1 and other operating systems allows local users to overwrite files via a symlink attack on temporary files.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A164
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10621
https://exchange.xforce.ibmcloud.com/vulnerabilities/17583
http://www.trustix.org/errata/2004/0050
http://www.securityfocus.com/bid/11293
http://www.redhat.com/support/errata/RHSA-2005-476.html
http://www.gentoo.org/security/en/glsa/glsa-200411-15.xml
http://www.debian.org/security/2004/dsa-603