CVE-2019-18802
envoy: malformed request header may cause bypass of route matchers resulting in escalation of privileges or information disclosure
Sévérité par source
Le label propre à Trivy est CRITICAL. Critique selon NVD, Photon OS. Plus basse selon Red Hat (élevée).
Description
An issue was discovered in Envoy 1.12.0. An untrusted remote client may send an HTTP header (such as Host) with whitespace after the header content. Envoy will treat "header-value " as a different string from "header-value" so for example with the Host header "example.com " one could bypass "example.com" matchers.
Paquets affectés et versions corrigées
| Source | Paquet | Corrigé en |
|---|---|---|
| Photon OS 1.0 | envoy | 1.10.0-6.ph1 |
| Photon OS 2.0 | envoy | 1.10.0-6.ph2 |
Références
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00034.html
- https://access.redhat.com/security/cve/CVE-2019-18802
- https://blog.envoyproxy.io
- https://github.com/envoyproxy/envoy/commits/master
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-356m-vhw2-wcm4
- https://groups.google.com/forum/#!topic/envoy-users/m7z5fGkCzPI
- https://groups.google.com/forum/#%21forum/envoy-users
- https://nvd.nist.gov/vuln/detail/CVE-2019-18802