Authentication bypass in Red Hat OpenStack - CVE-2017-2637

 

Authentication bypass in Red Hat OpenStack - CVE-2017-2637

Published: May 19, 2017


Vulnerability identifier: #VU6610
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-2637
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Red Hat Inc.
Affected software:
Red Hat OpenStack

Detailed vulnerability description

The vulnerability allows a remote unauthenticated attacker to bypass authentication on a targeted system.

The weakness exists due to the improper authentication and encryption standards that are set by default when the libvirtd component is deployed by the affected software. A remote attacker create a TCP connection to a compute host IP address, gain unauthorized access to the system that may allow to gain control of the host.

Successful exploitation of the vulnerability results in unauthorized access to the system.

How to mitigate CVE-2017-2637

Install update from vendor's website.

Sources