Resource management error in Ansible Tower - CVE-2019-19342
Published: January 13, 2020
Vulnerability identifier: #VU24221
CSH Severity: Medium
CVSS v4: 7.5 [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]
CVE-ID: CVE-2019-19342
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Ansible Tower
How to mitigate CVE-2019-19342
Install updates from vendor's website.
Ansible Tower - addressed in versions 3.5.4, 3.6.2