McAfee Anti-Virus Engine DATS drivers before 4398 released on Oct 13th 2004 and DATS Driver before 4397 October 6th 2004 allows remote attackers to bypass antivirus protection via a compressed file with both local and global headers set to zero, which does not prevent the compressed file from being opened on a target system.

Eset Anti-Virus before 1.020 (16th September 2004) allows remote attackers to bypass antivirus protection via a compressed file with both local and global headers set to zero, which does not prevent the compressed file from being opened on a target system.

Star before 1.5_alpha46 does not drop the effective user ID (euid) before calling external programs, which could allow local users to gain privileges by modifying the RSH environment variable to reference a malicious program.

Easy Guestbook CGI programs do not authenticate the administrator, which allows remote attackers to (1) delete entries via direct access of admin.cgi, or (2) reconfigure Guestbook via direct access of config.cgi.