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  5. CVE-2023-29013

CVE-2023-29013: Traefik HTTP header parsing could cause a denial of service

April 11, 2023 (updated February 13, 2025)

There is a vulnerability in Go when parsing the HTTP headers, which impacts Traefik. HTTP header parsing could allocate substantially more memory than required to hold the parsed headers. This behavior could be exploited to cause a denial of service.

References

  • github.com/advisories/GHSA-7hj9-rv74-5g92
  • github.com/advisories/GHSA-8v5j-pwr7-w5f8
  • github.com/traefik/traefik
  • github.com/traefik/traefik/commit/4ed3964b3586565519249bbdc55eb1b961c08c49
  • github.com/traefik/traefik/releases/tag/v2.10.0-rc2
  • github.com/traefik/traefik/releases/tag/v2.9.10
  • github.com/traefik/traefik/security/advisories/GHSA-7hj9-rv74-5g92
  • groups.google.com/g/golang-announce/c/Xdv6JL9ENs8/m/OV40vnafAwAJ
  • nvd.nist.gov/vuln/detail/CVE-2023-29013
  • security.netapp.com/advisory/ntap-20230517-0008

Code Behaviors & Features

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Affected versions

All versions before 2.9.10, all versions starting from 2.10.0-rc1 before 2.10.0-rc2, version 2.10.0-rc1

Fixed versions

  • 2.9.10
  • 2.10.0-rc2

Solution

Upgrade to versions 2.10.0-rc2, 2.9.10 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/traefik/traefik/v2/CVE-2023-29013.yml

Spotted a mistake? Edit the file on GitLab.

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