Information disclosure in SSB-DB
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-200.
Summary
SSB-DB version 20.0.0 has an information disclosure vulnerability. The get() method is supposed to only decrypt messages when you explicitly ask it to, but there is a bug where it's decrypting any message that it can. This means that it is returning the decrypted content of private messages, which a malicious peer could use to get access to private data. This only affects peers running [email protected] 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. This is fixed in version 20.0.1. Note that users of SSB-Server verion 16.0.0 should upgrade to 16.0.1 to get the fixed version of SSB-DB.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ssbc | SSB-DB | = 20.0.0 | — | No fix listed | CNA |
| — | ssb-db (npm) | 20.0.0 to before 20.0.1 | 20.0.1 | Patch available | GHSA-mpgr-2cx9-327h |
- SSB-DB Vendorssbc Affected = 20.0.0 Fixed in — No fix listed CNA
- ssb-db (npm) Vendor— Affected 20.0.0 to before 20.0.1 Fixed in 20.0.1 Patch available GHSA-mpgr-2cx9-327h
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:scuttlebutt:ssb-db:20.0.0:*:*:*:*:*:*:* | 20.0.0 | Vulnerable | Scuttlebutt |
- cpe:2.3:a:scuttlebutt:ssb-db:20.0.0:*:*:*:*:*:*:* Versions 20.0.0 Vulnerable ·Scuttlebutt
Remediation
- Fix · GHSA-mpgr-2cx9-327h ssb-db (npm) Fixed in 20.0.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-4045
- 2026-10-03 Alias added: GHSA-mpgr-2cx9-327h
References
Sources
- CVE-2020-4045 · CVE Program
- CVE-2020-4045 · NVD
- FIRST EPSS
- GHSA-mpgr-2cx9-327h · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences