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Date: Wed, 26 Aug 2015 20:22:48 +0000
From: Tristan Cacqueray <tdecacqu@...hat.com>
To: oss-security@...ts.openwall.com
Subject: [OSSA 2015-016] Information leak via Swift tempurls (CVE-2015-5223)

==================================================
OSSA-2015-016: Information leak via Swift tempurls
==================================================

:Date: August 26, 2015
:CVE: CVE-2015-5223


Affects
~~~~~~~
- Swift: versions through 2.3.0


Description
~~~~~~~~~~~
Richard Hawkins from Rackspace and Swift core reviewers reported a
vulnerability in Swift tempurls. When in possession of a tempurl key
authorized for PUT, a malicious actor may retrieve other objects in
the same Swift account (tenant). All Swift setups are affected.


Patches
~~~~~~~
- https://review.openstack.org/217253 (Juno)
- https://review.openstack.org/217254 (Kilo)
- https://review.openstack.org/217255 (Kilo)
- https://review.openstack.org/217259 (Liberty)
- https://review.openstack.org/217260 (Liberty)


Credits
~~~~~~~
- Richard Hawkins from Rackspace (CVE-2015-5223)
- Swift core reviewers from OpenStack (CVE-2015-5223)


References
~~~~~~~~~~
- https://launchpad.net/bugs/1453948
- https://launchpad.net/bugs/1449212
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5223


Notes
~~~~~
- This fix will be included in future 2014.2.4 (juno) and 2015.1.2 (kilo)
  releases.

--
Tristan Cacqueray
OpenStack Vulnerability Management Team


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