USN-3451-1: OpenStack Swift vulnerabilities

Ubuntu Security Notice USN-3451-1

11th October, 2017

swift vulnerabilities

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 Örjan 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 version:

Ubuntu 14.04 LTS:
swift 1.13.1-0ubuntu1.5
python-swift 1.13.1-0ubuntu1.5

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes.

References

CVE-2015-5223, CVE-2016-0737, CVE-2016-0738