CVE-2023-29013

HTTP header parsing could cause a deny of service

Description

Traefik (pronounced traffic) is a modern HTTP reverse proxy and load balancer for deploying microservices. 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. This issue has been patched in versions 2.9.10 and 2.10.0-rc2.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 3.26% Top 15%
Vendor Advisory github.com
Affected: traefik traefik
Published at:
Updated at:

References

Link Tags
https://github.com/traefik/traefik/security/advisories/GHSA-7hj9-rv74-5g92 vendor advisory
https://github.com/traefik/traefik/commit/4ed3964b3586565519249bbdc55eb1b961c08c49 patch
https://github.com/traefik/traefik/releases/tag/v2.10.0-rc2 release notes
https://github.com/traefik/traefik/releases/tag/v2.9.10 release notes
https://security.netapp.com/advisory/ntap-20230517-0008/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2023-29013?
CVE-2023-29013 has been scored as a high severity vulnerability.
How to fix CVE-2023-29013?
To fix CVE-2023-29013, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-29013 being actively exploited in the wild?
It is possible that CVE-2023-29013 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-29013?
CVE-2023-29013 affects traefik traefik.
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