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CVE-2019-18802

CVE-2019-18802

EPSS 2.5%
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.
Productos afectados
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Referencias
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00034.htmlhttps://blog.envoyproxy.iohttps://github.com/envoyproxy/envoy/commits/masterhttps://github.com/envoyproxy/envoy/security/advisories/GHSA-356m-vhw2-wcm4https://groups.google.com/forum/#%21forum/envoy-users