---
title: "CVE-2013-4477\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2013-4477?format=md
keywords: index, follow
---

# CVE-2013-4477

Publication date 2 November 2013

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

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## Description

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.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| keystone | 13.10 saucy | Fixed 1:2013.2-0ubuntu1.1 |
| 13.04 raring | Fixed 1:2013.1.4-0ubuntu1.1 |
| 12.10 quantal | Fixed 2012.2.4-0ubuntu3.3 |
| 12.04 LTS precise | Not affected |
| 10.04 LTS lucid | Not in release |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2013-4477?format=md#patch-details)

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| keystone | * Upstream:   <https://review.openstack.org/53154> * Upstream:   <https://review.openstack.org/53146> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4477)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2013-4477)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2013-4477)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2013-4477)

### Related Ubuntu Security Notices (USN)

+ [USN-2034-1](https://usn.ubuntu.com/USN-2034-1)
+ OpenStack Keystone vulnerability
+ 25 November 2013

### Other references

* <https://bugs.launchpad.net/keystone/+bug/1242855>
* <http://www.openwall.com/lists/oss-security/2013/10/30/6>
* <https://www.cve.org/CVERecord?id=CVE-2013-4477>
