CVE 2008-3112
Directory traversal vulnerability in Sun Java Web Start in JDK and JRE 6 before Update 7, JDK and JRE 5.0 before Update 16, and SDK and JRE 1.4.x before 1.4.2_18 allows remote attackers to create arbitrary files via the writeManifest method in the CacheEntry class, aka CR 6703909.
See the 
CVE page on Mitre.org
for more details.
