Stack-based buffer overflow in PccScan.dll before build 1451 in Trend Micro AntiVirus plus AntiSpyware 2008 Internet Security 2008 and Internet Security Pro 2008 allows user-assisted remote attackers to cause a denial of service (SfCtlCom.exe crash) and allows local users to gain privileges via a malformed .zip archive with a long name as demonstrated by a .zip file created via format string specifiers in a crafted .uue file.