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Incorrect Access Control Affecting octavia package, versions [,0.9.0)

0.0
low

Snyk CVSS

    Attack Complexity Low
    Privileges Required High

    Threat Intelligence

    EPSS 0.28% (68th percentile)
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NVD
8 high
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Red Hat
5.5 medium

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  • Snyk ID SNYK-PYTHON-OCTAVIA-174798
  • published 28 May 2019
  • disclosed 27 May 2019
  • credit Nir Magnezi
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Introduced: 27 May 2019

CVE-2019-3895 Open this link in a new tab
CWE-284 Open this link in a new tab

How to fix?

Upgrade octavia to version 0.9.0 or higher.

Overview

octavia is an operator-grade reference implementation for Load Balancing as a Service (LBaaS) for OpenStack.

Affected versions of this package are vulnerable to Incorrect Access Control. _extract_amp_image_id_by_tag within octavia/compute/drivers/nova_driver.py does not filter images and use images owned by pre-defined tenant. This could allow any non-admin tenant to tag an image with the 'amphora' tag and set it to public=True.

Note: Exploitation of this vulnerability requires configuration of your instance to allow any tenant to post public images, which is not enabled in default configuration.