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  5. CVE-2023-44487

CVE-2023-44487: Uncontrolled Resource Consumption

October 10, 2023 (updated February 2, 2024)

The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.

References

  • istio.io/latest/news/security/istio-security-2023-004/
  • nvd.nist.gov/vuln/detail/CVE-2023-44487

Code Behaviors & Features

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Affected versions

All versions before 1.17.6, all versions starting from 1.18.0 before 1.18.3, all versions starting from 1.19.0 before 1.19.1

Fixed versions

  • 1.17.6
  • 1.18.3
  • 1.19.1

Solution

Upgrade to versions 1.17.6, 1.18.3, 1.19.1 or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Learn more about CVSS

Weakness

  • CWE-400: Uncontrolled Resource Consumption

Source file

go/github.com/istio/istio/CVE-2023-44487.yml

Spotted a mistake? Edit the file on GitLab.

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