Improper input validation in Openstack Nova - CVE-2017-18191

 

Improper input validation in Openstack Nova - CVE-2017-18191

Published: March 7, 2018 / Updated: March 7, 2018


Vulnerability identifier: #VU10864
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-18191
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Openstack
Affected software:
Openstack Nova

Detailed vulnerability description

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists due to insufficient handling of encrypted volumes. A local attacker can swap encrypted volumes, corrupt the LUKS headers and cause the service to crash.

How to mitigate CVE-2017-18191

Install update from vendor's website.

Sources