Resource management error in Ansible Tower - CVE-2019-19342

 

Resource management error in Ansible Tower - CVE-2019-19342

Published: January 13, 2020


Vulnerability identifier: #VU24221
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-19342
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Red Hat Inc.
Affected software:
Ansible Tower

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to error handling issue in Ansible Tower, when /websocket is requested and the password contains the '#' character. This request would cause a socket error in RabbitMQ when parsing the password and an HTTP error code 500 and partial password disclose will occur in plaintext. An attacker could easily guess some predictable passwords or brute force the password.


How to mitigate CVE-2019-19342

Install updates from vendor's website.

Sources