WinZip before 11.0 does not properly verify the authenticity of updates, which allows man-in-the-middle attackers to execute arbitrary code via a Trojan horse update, as demonstrated by evilgrade and DNS cache poisoning.
| Software | From | Fixed in |
|---|---|---|
| winzip / winzip | 10.0 | 10.0.x |
| winzip / winzip | 7.0 | 7.0.x |
| winzip / winzip | 8.0 | 8.0.x |
| winzip / winzip | 8.1 | 8.1.x |
| winzip / winzip | 9.0 | 9.0.x |