Heap-based buffer overflow in the DEC2EXE module for Symantec AntiVirus Library allows remote attackers to execute arbitrary code via a UPX compressed file containing a negative virtual offset to a crafted PE header.

Kaspersky 3.x to 4.x 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.

Computer Associates (CA) InoculateIT 6.0, eTrust Antivirus r6.0 through r7.1, eTrust Antivirus for the Gateway r7.0 and r7.1, eTrust Secure Content Manager, eTrust Intrusion Detection, EZ-Armor 2.0 through 2.4, and EZ-Antivirus 6.1 through 6.3 allow 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.

RAV antivirus 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.

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.

Archive::Zip Perl module before 1.14, when used by antivirus programs such as amavisd-new, 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.

Computer Associates eTrust EZ Antivirus 7.0.0 to 7.0.4, including 7.0.1.4, installs its files with insecure permissions (ACLs), which allows local users to gain privileges by replacing critical programs with malicious ones, as demonstrated using VetMsg.exe.

Computer Associates eTrust Antivirus EE 6.0 through 7.0 allows remote attackers to bypass virus scanning by including a password-protected file in a ZIP file, which causes eTrust to scan only the password protected file and skip the other files.

Unknown versions of Symantec Norton AntiVirus and Microsoft Outlook allow attackers to cause a denial of service (crash) via malformed e-mail messages (1) without a body or (2) without a carriage return ("\n") separating the headers from the body.