CVE-2017-2627 Path traversal in openstack-tripleo-common
Permissive sudoers configuration allows directory traversal and grants root access to the validations user, enabling privilege escalation in OpenStack environments.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-2627?
CVE-2017-2627 is a high-severity path traversal vulnerability in Redhat Openstack, published on 22 Aug 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw was found in openstack-tripleo-common as shipped with Red Hat Openstack Enterprise 10 and 11. The sudoers file as installed with OSP's openstack-tripleo-common package is much too permissive. It contains several lines for the mistral user that have wildcards that allow directory traversal with '..' and it grants full passwordless root access to the validations user.
Weakness: CWE-22
Which versions are affected by CVE-2017-2627?
It affects 2 products.
Products include Openstack Tripleo-Common, Redhat Openstack.
How do I fix CVE-2017-2627?
No fix has been published for CVE-2017-2627 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2017-2627 being exploited?
There is no known exploitation of CVE-2017-2627 in the wild and no public exploit code.
Sources
Also known as GHSA-mqhr-f34x-gw3r.