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.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Prosody | Prosody | * | 0.9.8 (including) |
| Prosody | Prosody | 0.9.0 (including) | 0.9.0 (including) |
| Prosody | Prosody | 0.9.1 (including) | 0.9.1 (including) |
| Prosody | Prosody | 0.9.2 (including) | 0.9.2 (including) |
| Prosody | Prosody | 0.9.3 (including) | 0.9.3 (including) |
| Prosody | Prosody | 0.9.4 (including) | 0.9.4 (including) |
| Prosody | Prosody | 0.9.5 (including) | 0.9.5 (including) |
| Prosody | Prosody | 0.9.6 (including) | 0.9.6 (including) |
| Prosody | Prosody | 0.9.7 (including) | 0.9.7 (including) |
| Prosody | Ubuntu | precise | * |
| Prosody | Ubuntu | trusty | * |
| Prosody | Ubuntu | upstream | * |
| Prosody | Ubuntu | vivid | * |
| Prosody | Ubuntu | wily | * |
References
- http://blog.prosody.im/prosody-0-9-9-security-release/
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175829.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175868.html
- http://www.debian.org/security/2016/dsa-3439
- http://www.openwall.com/lists/oss-security/2016/01/08/5
- https://prosody.im/issues/issue/571
- https://prosody.im/security/advisory_20160108-2/
- http://blog.prosody.im/prosody-0-9-9-security-release/
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175829.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175868.html
- http://www.debian.org/security/2016/dsa-3439
- http://www.openwall.com/lists/oss-security/2016/01/08/5
- https://prosody.im/issues/issue/571
- https://prosody.im/security/advisory_20160108-2/