Know every vulnerabilitybefore it knows you.
DevGuard continuously monitors your dependencies and alerts you when CVEs like this one affect your stack — with real-time threat intelligence built for developers.
GHSA-mpgr-2cx9-327h
No affected components available
Impact
What kind of vulnerability is it? Who is impacted?
Servers running SSB-DB 20.0.0 (which is packaged with SSB-Server 16.0.0) must upgrade immediately.
There is no evidence that other SSB apps are vulnerable or that this problem has been exploited in the wild.
The get() method is supposed to only decrypt messages when you explicitly ask it to, but there's a bug where it's decrypting any message that it can. This means that it's returning the decrypted content of private messages, which a malicious peer could use to get access to private data. This only affects peers running SSB-DB@20.0.0 who also have private messages, and is only known to be exploitable if you're also running SSB-OOO (default in SSB-Server), which exposes a thin wrapper around get() to anonymous peers.
Patches
Has the problem been patched? What versions should users upgrade to?
Yes, please upgrade to SSB-DB 20.0.1 (or SSB-Server 16.0.1) immediately.
Workarounds
Is there a way for users to fix or remediate the vulnerability without upgrading?
You may be able to disable the most obvious attack vector, SSB-OOO, by disabling the plugin, but you should upgrade immediately anyway.
For more information
If you have any questions or comments about this advisory, open an issue in SSB-DB
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
Browse More
Continuously monitor your dependencies and get alerted when vulnerabilities like this one affect your stack.
Checkout DevGuard