Resource exhaustion in Traefik
CVE-2023-29013
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.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.011 (61.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Traefik — versions < 2.9.10, = 2.10.0-rc1, 2.10.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
- security-advisories@github.com (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-29013?
- CVE-2023-29013 is a high-severity vulnerability in Traefik, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-04-14.
- How severe is CVE-2023-29013?
- High severity. CVSS v3 base score is 7.5 out of 10.