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CVE-2012-3371: OpenStack Nova Scheduler denial of service through scheduler_hints

May 17, 2022 (updated November 22, 2024)

The Nova scheduler in OpenStack Compute (Nova) Folsom (2012.2) and Essex (2012.1), when DifferentHostFilter or SameHostFilter is enabled, allows remote authenticated users to cause a denial of service (excessive database lookup calls and server hang) via a request with many repeated IDs in the os:scheduler_hints section.

References

  • bugs.launchpad.net/nova/+bug/1017795
  • github.com/advisories/GHSA-xxgm-qpj5-4886
  • github.com/openstack/nova
  • github.com/openstack/nova/commit/034762e8060dcf0a11cb039b9d426b0d0bb1801d
  • github.com/pypa/advisory-database/tree/main/vulns/nova/PYSEC-2012-40.yaml
  • lists.launchpad.net/openstack/msg14452.html
  • nvd.nist.gov/vuln/detail/CVE-2012-3371

Code Behaviors & Features

Detect and mitigate CVE-2012-3371 with GitLab Dependency Scanning

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Affected versions

All versions before 12.0.0a0

Fixed versions

  • 12.0.0a0

Solution

Upgrade to version 12.0.0a0 or above.

Impact 3.5 LOW

AV:N/AC:M/Au:S/C:N/I:N/A:P

Learn more about CVSS

Weakness

  • CWE-20: Improper Input Validation

Source file

pypi/nova/CVE-2012-3371.yml

Spotted a mistake? Edit the file on GitLab.

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