CVE-2019-9900

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Summary

CVECVE-2019-9900
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-04-25 15:29:00 UTC
Updated2023-11-07 03:13:00 UTC
DescriptionWhen 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.

Risk And Classification

Problem Types: CWE-74

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Envoyproxy Envoy All All All All
Application Redhat Openshift Service Mesh - All All All

References

ReferenceSourceLinkTags
Version history — envoy tag-v1.9.1 documentation CONFIRM www.envoyproxy.io Release Notes, Vendor Advisory
NUL characters in HTTP/1 headers allow access control bypass (CVE-2019-9900) · Advisory · envoyproxy/envoy · GitHub CONFIRM github.com
Red Hat Customer Portal REDHAT access.redhat.com Third Party Advisory
Google Groups CONFIRM groups.google.com Third Party Advisory
CVE-2019-9900 · Issue #6434 · envoyproxy/envoy · GitHub CONFIRM github.com Exploit, Issue Tracking, Third Party Advisory
Google Groups groups.google.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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