Access Control Bypass Affecting github.com/traefik/traefik/v3/pkg/server package, versions >=3.0.0-beta1 <3.0.4 >=3.1.0-rc1 <3.1.0-rc3
Threat Intelligence
EPSS
0.05% (17th
percentile)
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Test your applications- Snyk ID SNYK-GOLANG-GITHUBCOMTRAEFIKTRAEFIKV3PKGSERVER-7430180
- published 7 Jul 2024
- disclosed 5 Jul 2024
- credit Michael Wedl
Introduced: 5 Jul 2024
CVE-2024-39321 Open this link in a new tabHow to fix?
Upgrade github.com/traefik/traefik/v3/pkg/server to version 3.0.4, 3.1.0-rc3 or higher.
Overview
Affected versions of this package are vulnerable to Access Control Bypass via HTTP/3 early data requests used in QUIC 0-RTT handshakes. An attacker can spoof IP addresses to bypass IP allow-lists.