Total vulnerabilities in the database
When adding an external mail account, processing of SMTP "capabilities" responses are not limited to plausible sizes. Attacker with access to a rogue SMTP service could trigger requests that lead to excessive resource usage and eventually service unavailability. We now limit accepted SMTP server response to reasonable length/size. No publicly available exploits are known.
| Software | From | Fixed in |
|---|---|---|
| open-xchange / open-xchange_appsuite_backend | - | 7.10.6 |
| open-xchange / open-xchange_appsuite_backend | 7.10.6 | 7.10.6.x |
| open-xchange / open-xchange_appsuite_backend | 7.10.6-revision_39 | 7.10.6-revision_39.x |
| open-xchange / open-xchange_appsuite_backend | 8.0.0 | 8.11.0 |