Published: 25/04/2019 Updated: 07/11/2023

CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10

CVSS v3 Base Score: 10 | Impact Score: 6 | Exploitability Score: 3.9

VMScore: 668

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Envoy 1.9.0 and before does not normalize HTTP URL paths. A remote attacker may craft a relative path, e.g., something/../admin, to bypass access control, e.g., a block on /admin. A backend server could then interpret the non-normalized path and provide an attacker access beyond the scope provided for by the access control policy.

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Synopsis Important: Istio-Proxy Security Update Type/Severity Security Advisory: Important Topic An update for Istio-Proxy is now available for Red Hat OpenShift Service Mesh Tech Preview 090Red Hat Product Security has rated this update as having a security impact ofimportant A Common Vulnerability Sco ...

How to use this tool? If envoy is in your path, Simply run it! $ envoy-cves ✔ Success! your envoy was tested and is immune to CVE-2019-9901 Make sure that the option normalize_path is turned on in your HCM settings ✔ Success! your envoy was tested and is immune to CVE-2019-9900 If not, provide the path to envoy in a flag: envoy-cves

CWE-706 https://www.envoyproxy.io/docs/envoy/v1.9.1/intro/version_history https://github.com/envoyproxy/envoy/issues/6435 https://github.com/envoyproxy/envoy/security/advisories/GHSA-xcx5-93pw-jw2w https://groups.google.com/forum/#%21topic/envoy-announce/VoHfnDqZiAM https://access.redhat.com/errata/RHSA-2019:0741 https://nvd.nist.gov

CVE-2019-9901

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