Vulnerability · Published Jul 5, 2024 · Assigned by GitHub_M
CVE-2024-39321Traefik vulnerable to bypassing IP allow-lists via HTTP/3 early data requests in QUIC 0-RTT handshakes
High 7.5
In plain English
A high-severity authorization bypass via user-controlled key in traefik from traefik. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
Traefik is an HTTP reverse proxy and load balancer. Versions prior to 2.11.6, 3.0.4, and 3.1.0-rc3 have a vulnerability that allows bypassing IP allow-lists via HTTP/3 early data requests in QUIC 0-RTT handshakes sent with spoofed IP addresses. Versions 2.11.6, 3.0.4, and 3.1.0-rc3 contain a patch for this issue. No known workarounds are available.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/traefik/traefik | no fix listed | GO-2024-2973 |
| Go | github.com/traefik/traefik/v2 | 2.11.6 | GHSA-gxrv-wf35-62w9 |
| Go | github.com/traefik/traefik/v2 | 2.11.6 | GO-2024-2973 |
| Go | github.com/traefik/traefik/v3 | 3.0.4 | GHSA-gxrv-wf35-62w9 |
| Go | github.com/traefik/traefik/v3 | 3.1.0-rc3 | GHSA-gxrv-wf35-62w9 |
| Go | github.com/traefik/traefik/v3 | 3.0.4, 3.1.0-rc3 | GO-2024-2973 |
Affected products (as reported)
Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
References
- https://github.com/traefik/traefik/security/advisories/GHSA-gxrv-wf35-62w9 x_refsource_CONFIRM
- https://github.com/traefik/traefik/releases/tag/v2.11.6 x_refsource_MISC
- https://github.com/traefik/traefik/releases/tag/v3.0.4 x_refsource_MISC
- https://github.com/traefik/traefik/releases/tag/v3.1.0-rc3 x_refsource_MISC