Vulnerability identifier: #VU24221

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-19342

CWE-ID: CWE-399

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Ansible Tower
Web applications / Remote management & hosting panels

Vendor: Red Hat Inc.

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Ansible Tower: 3.5.0 - 3.6.1

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External links
http://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-19342

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.