Access Restriction Bypass Affecting nova package, versions [,12.0.0a0)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-UNMANAGED-NOVA-2371927
  • published26 Jan 2022
  • disclosed27 Dec 2013
  • creditUnknown

Introduced: 27 Dec 2013

CVE-2013-2030  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade nova to version 12.0.0a0 or higher.

Overview

Affected versions of this package are vulnerable to Access Restriction Bypass keystone/middleware/auth_token.py in OpenStack Nova Folsom, Grizzly, and Havana uses an insecure temporary directory for storing signing certificates, which allows local users to spoof servers by pre-creating this directory, which is reused by Nova, as demonstrated using /tmp/keystone-signing-nova on Fedora.

CVSS Scores

version 3.1