CVE-2013-2157 Auth bypass in n/a

Medium 4.3 Published 20 Aug 2013 Updated 6 Aug 2024

Remote attackers can bypass authentication in OpenStack Keystone when LDAP anonymous binding is enabled, gaining unauthorized access.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2013-2157?

CVE-2013-2157 is a medium-severity authentication bypass vulnerability in n/a, published on 20 Aug 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

OpenStack Keystone Folsom, Grizzly before 2013.1.3, and Havana, when using LDAP with Anonymous binding, allows remote attackers to bypass authentication via an empty password.

Weakness: CWE-287

Which versions are affected by CVE-2013-2157?

It affects 1 product.

Linux distribution packages (6)

`openstack-keystone` Red Hat:openstack:2::el6	All versions	`0:2012.2.4-3.el6ost`
`openstack-keystone-doc` Red Hat:openstack:2::el6	All versions	`0:2012.2.4-3.el6ost`
`python-keystone` Red Hat:openstack:2::el6	All versions	`0:2012.2.4-3.el6ost`
`openstack-keystone` Red Hat:openstack:3::el6	All versions	`0:2013.1.2-2.el6ost`
`openstack-keystone-doc` Red Hat:openstack:3::el6	All versions	`0:2013.1.2-2.el6ost`
`python-keystone` Red Hat:openstack:3::el6	All versions	`0:2013.1.2-2.el6ost`

Products include Openstack Keystone.

How do I fix CVE-2013-2157?

Upgrade to a fixed version.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2013-2157 being exploited?

There is no known exploitation of CVE-2013-2157 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2013-2157, GHSA-w396-2gg4-mxgv, RHSA-2013:0994, RHSA-2013:1083.