CVE-2013-4477
First published: Sat Nov 02 2013(Updated: )
The LDAP backend in OpenStack Identity (Keystone) Grizzly and Havana, when removing a role on a tenant for a user who does not have that role, adds the role to the user, which allows local users to gain privileges.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| pip/keystone | <8.0.0a0 | 8.0.0a0 |
| OpenStack Grizzly | ||
| OpenStack Havana |
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Reference Links
- http://rhn.redhat.com/errata/RHSA-2014-0113.html
- http://www.openwall.com/lists/oss-security/2013/10/30/6
- http://www.ubuntu.com/usn/USN-2034-1
- https://bugs.launchpad.net/keystone/+bug/1242855
- https://nvd.nist.gov/vuln/detail/CVE-2013-4477
- https://github.com/openstack/keystone/commit/b17e7bec768bd53d3977352486378698a3db3cfa
- https://github.com/openstack/keystone/commit/c6800ca1ac984c879e75826df6694d6199444ea0
- https://github.com/advisories/GHSA-f889-wfwm-6p7m (Advisory)
Frequently Asked Questions
What is the severity of CVE-2013-4477?
CVE-2013-4477 is classified as a medium severity vulnerability that allows local users to gain privileges inadvertently.
How do I fix CVE-2013-4477?
To fix CVE-2013-4477, upgrade to OpenStack Keystone version 8.0.0a0 or later.
What software versions are affected by CVE-2013-4477?
CVE-2013-4477 affects OpenStack Identity (Keystone) versions Grizzly and Havana.
What is the potential impact of CVE-2013-4477?
The potential impact of CVE-2013-4477 is that unauthorized users can gain additional privileges by exploiting the role management feature.
Is CVE-2013-4477 specific to OpenStack?
Yes, CVE-2013-4477 is specific to the OpenStack Identity service, affecting its LDAP backend implementation.
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