The mod_dialback module in Prosody before 0.9.9 does not properly generate random values for the secret token for server-to-server dialback authentication, which makes it easier for attackers to spoof servers via a brute force attack.
| Software | From | Fixed in |
|---|---|---|
| prosody / prosody | 0.9.3 | 0.9.3.x |
| prosody / prosody | - | 0.9.8.x |
| prosody / prosody | 0.9.6 | 0.9.6.x |
| prosody / prosody | 0.9.5 | 0.9.5.x |
| prosody / prosody | 0.9.2 | 0.9.2.x |
| prosody / prosody | 0.9.7 | 0.9.7.x |
| prosody / prosody | 0.9.0 | 0.9.0.x |
| prosody / prosody | 0.9.4 | 0.9.4.x |
| prosody / prosody | 0.9.1 | 0.9.1.x |
| fedoraproject / fedora | 22 | 22.x |
| fedoraproject / fedora | 23 | 23.x |
| debian / debian_linux | 8.0 | 8.0.x |
| debian / debian_linux | 7.0 | 7.0.x |