Common Unix Printing System (CUPS) 1.1.14 through 1.1.17 allows local users with lp privileges to create or overwrite arbitrary files via file race conditions, as demonstrated by ice-cream.
https://exchange.xforce.ibmcloud.com/vulnerabilities/10907
http://www.securityfocus.com/bid/6435
http://www.redhat.com/support/errata/RHSA-2002-295.html
http://www.novell.com/linux/security/advisories/2003_002_cups.html
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:001
http://www.idefense.com/advisory/12.19.02.txt
http://www.debian.org/security/2003/dsa-232
http://marc.info/?l=bugtraq&m=104032149026670&w=2
http://archives.neohapsis.com/archives/vulnwatch/2002-q4/0117.html