The Avast AV parsing engine allows virus-detection bypass via a crafted ZIP archive. This affects versions before 12 definitions 200114-0 of Antivirus Pro, Antivirus Pro Plus, and Antivirus for Linux.
Product A handles inputs or steps differently than Product B, which causes A to perform incorrect actions based on its perception of B’s state.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Antivirus_for_linux | Avast | * | 12.0 (excluding) |
| Antivirus_pro | Avast | * | 12.0 (excluding) |
| Antivirus_pro_plus | Avast | * | 12.0 (excluding) |