Improper Input Validation Affecting nova package, versions [,27.4.0) [28.0.0,28.2.0) [29.0.0,29.1.0)


Severity

Recommended
0.0
critical
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.07% (32nd percentile)

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  • Snyk ID SNYK-PYTHON-NOVA-7430273
  • published 8 Jul 2024
  • disclosed 2 Jul 2024
  • credit Martin Kaesberger

How to fix?

Upgrade nova to version 27.4.0, 28.2.0, 29.1.0 or higher.

Overview

nova is an OpenStack Nova provides a cloud computing fabric controller, supporting a wide variety of compute technologies, including: libvirt (KVM, Xen, LXC and more), Hyper-V, VMware, XenServer, OpenStack Ironic and PowerVM.

Affected versions of this package are vulnerable to Improper Input Validation in QCOW2 image processing. An authenticated user may convince systems to return a copy of that file's contents from the server resulting in unauthorized access to potentially sensitive data and unbounded memory/CPU consumption.

Note: All Cinder deployments are affected; only Glance deployments with image conversion enabled are affected; all Nova deployments are affected.

CVSS Scores

version 4.0
version 3.1
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Snyk

Recommended
9.2 critical
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Attack Requirements (AT)
    None
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Confidentiality (VC)
    High
  • Integrity (VI)
    High
  • Availability (VA)
    None
  • Confidentiality (SC)
    None
  • Integrity (SI)
    None
  • Availability (SA)
    High