Information disclosure in SSB-DB and SSB-Server packages for npm



Published: 2020-06-18
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-4045
CWE-ID CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		ssb-server
Server applications / Database software

ssb-db
Web applications / Modules and components for CMS

Vendor Secure Scuttlebutt Consortium

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU29123

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-4045

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in the "get()" method. A remote attacker can gain unauthorized access to sensitive information on the system.

Note: This only affects peers who also have private messages, and is only known to be exploitable if you're also running in SSB-Server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ssb-server: 16.0.0

ssb-db: 20.0.0

CPE2.3 External links

http://github.com/ssbc/ssb-db/commit/43334d0871c9cc6220e0f6d6338499060f7761d4
http://github.com/ssbc/ssb-db/security/advisories/GHSA-mpgr-2cx9-327h


Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?



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