An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users email messages (and path disclosure).
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Dovecot | Dovecot | 2.2.26 (including) | 2.3.13 (excluding) |
| Red Hat Enterprise Linux 8 | RedHat | dovecot-1:2.3.8-9.el8 | * |
| Dovecot | Ubuntu | bionic | * |
| Dovecot | Ubuntu | devel | * |
| Dovecot | Ubuntu | focal | * |
| Dovecot | Ubuntu | groovy | * |
| Dovecot | Ubuntu | trusty | * |
| Dovecot | Ubuntu | upstream | * |