SB2019101812 - Insufficiently protected credentials in Nextcloud server

Description

This security bulletin contains information about 1 vulnerability.

1) Insufficiently protected credentials (CVE-ID: CVE-2019-17393)

CWE-ID: CWE-522 - Insufficiently Protected Credentials

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The Customer's Tomedo Server in Version 1.7.3 communicates to the Vendor Tomedo Server via HTTP (in cleartext) that can be sniffed by unauthorized actors. Basic authentication is used for the authentication, making it possible to base64 decode the sniffed credentials and discover the username and password.

Remediation

Install update from vendor's website.

References

• http://packetstormsecurity.com/files/154873/Tomedo-Server-1.7.3-Information-Disclosure-Weak-Cryptography.html
• http://seclists.org/fulldisclosure/2019/Oct/33