CVE-2020-5207

Summary

CVECVE-2020-5207
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-01-27 20:15:00 UTC
Updated2020-02-04 14:41:00 UTC
DescriptionIn Ktor before 1.3.0, request smuggling is possible when running behind a proxy that doesn't handle Content-Length and Transfer-Encoding properly or doesn't handle \n as a headers separator.

Risk And Classification

Problem Types: CWE-444

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Jetbrains Ktor All All All All
Application Jetbrains Ktor All All All All

References

ReferenceSourceLinkTags
Request smuggling is possible when both chunked TE and content length specified · Advisory · ktorio/ktor · GitHub CONFIRM github.com Third Party Advisory
Fix CIO headers and chunked parsers by cy6erGn0m · Pull Request #1547 · ktorio/ktor · GitHub MISC github.com Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 983112 Java (maven) Security Update for io.ktor:ktor-server-cio (GHSA-xrr9-rh8p-433v)
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