PGP 5.5.x through 6.5.3 does not properly check if an Additional Decryption Key (ADK) is stored in the signed portion of a public certificate, which allows an attacker who can modify a victims public certificate to decrypt any data that has been encrypted with the modified certificate.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Pgp | Pgp | 5.5.3i (including) | 5.5.3i (including) |
| Pgp | Pgp | 6.5.1i (including) | 6.5.1i (including) |
| Pgp | Pgp | 6.5.3i (including) | 6.5.3i (including) |