Ubuntu Security Notice 3451-1 - It was discovered that OpenStack Swift incorrectly handled tempurls. A remote authenticated user in possession of a tempurl key authorized for PUT could retrieve other objects in the same Swift account. Romain Le Disez and Arjan Persson discovered that OpenStack Swift incorrectly closed client connections. A remote attacker could possibly use this issue to consume resources, resulting in a denial of service. Various other issues were also addressed.
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Ubuntu Security Notice USN-3451-1
October 11, 2017
swift vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in OpenStack Swift.
Software Description:
- swift: OpenStack distributed virtual object store
Details:
It was discovered that OpenStack Swift incorrectly handled tempurls. A
remote authenticated user in possession of a tempurl key authorized for PUT
could retrieve other objects in the same Swift account. (CVE-2015-5223)
Romain Le Disez and Arjan Persson discovered that OpenStack Swift
incorrectly closed client connections. A remote attacker could possibly use
this issue to consume resources, resulting in a denial of service.
(CVE-2016-0737, CVE-2016-0738)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 14.04 LTS:
python-swift 1.13.1-0ubuntu1.5
swift 1.13.1-0ubuntu1.5
In general, a standard system update will make all the necessary changes.
References:
https://www.ubuntu.com/usn/usn-3451-1
CVE-2015-5223, CVE-2016-0737, CVE-2016-0738
Package Information:
https://launchpad.net/ubuntu/+source/swift/1.13.1-0ubuntu1.5