CVE-2019-9900
highPriorität · verfolgen · 34EPSS 0.037 · 90. PerzentilEURUUSEPSS · bewertet 2026-10-27
When parsing HTTP/1.x header values, Envoy 1.9.0 and before does not reject embedded zero characters (NUL, ASCII 0x0). This allows remote attackers crafting header values containing embedded NUL characters to potentially bypass header matching rules, gaining access to unauthorized resources.
Behebungen
Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.
Ein Hersteller-Fix ist verfügbar.
- Behobenservicemesh-proxy-0:0.9.1-1.el7.src as a component of Red Hat OpenShift Service Mesh 0 Tech Previewredhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0741 - Behobenservicemesh-proxy-0:0.9.1-1.el7.x86_64 as a component of Red Hat OpenShift Service Mesh 0 Tech Previewredhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0741
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 6.5–8.3
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
betroffene Produkte (6)
Betroffene Produkte und Versionsbereiche.
- redhat openshift service meshalle VersionennvdUScpe:2.3:a:redhat:openshift_service_mesh:*:*:*:*:*:*:*:*
Advisories (1)
Hersteller- und Ökosystem-Meldungen dazu.
- RHSA-2019:0741Red Hat Security Advisory: Istio-Proxy Security Update2019-04-10csaf · redhat_csafUS
An update for Istio-Proxy is now available for Red Hat OpenShift Service Mesh Tech Preview 0.9.0. Red Hat Product Security has rated this update as having a security impact of important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
auch bekannt als (4)
Weitere Namen und Kennungen dieser Entität.
quellen
Welche Quellen diesen Datensatz belegen und wann.
Referenzen (18)
Externe Belege — Patches, Meldungen, Analysen.
- https://access.redhat.com/errata/RHSA-2019:0741cnnvd
- https://github.com/envoyproxy/envoy/issues/6434cnnvd
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-x74r-f4mw-c32hcnnvd
- https://groups.google.com/forum/#!topic/envoy-announce/VoHfnDqZiAMcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-9900cnnvd
- https://packetstormsecurity.com/files/152479/Red-Hat-Security-Advisory-2019-0741-01.htmlcnnvd
- https://www.auscert.org.au/bulletins/78850cnnvd
- https://www.envoyproxy.io/docs/envoy/v1.9.1/intro/version_historycnnvd
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