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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLXhycjktcmg4cC00MzN2
Request smuggling is possible when both chunked TE and content length specified
Impact
Request smuggling is possible when running behind a proxy that doesn't handle Content-Length and Transfer-Encoding properly or doesn't handle alone \n as a headers separator.
Patches
https://github.com/ktorio/ktor/pull/1547
Workarounds
None except migrating to a better proxy.
References
https://portswigger.net/web-security/request-smuggling
https://tools.ietf.org/html/rfc7230#section-9.5
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLXhycjktcmg4cC00MzN2
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Low
Classification: General
Published: about 4 years ago
Updated: over 1 year ago
CVSS Score: 5.4
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Identifiers: GHSA-xrr9-rh8p-433v, CVE-2020-5207
References:
- https://github.com/ktorio/ktor/security/advisories/GHSA-xrr9-rh8p-433v
- https://github.com/ktorio/ktor/pull/1547
- https://nvd.nist.gov/vuln/detail/CVE-2020-5207
- https://github.com/advisories/GHSA-xrr9-rh8p-433v
Blast Radius: 16.6
Affected Packages
maven:io.ktor:ktor-server-cio
Dependent packages: 29Dependent repositories: 214
Downloads:
Affected Version Ranges: < 1.3.0
Fixed in: 1.3.0
All affected versions: 1.0.0, 1.0.1, 1.1.0, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.2.0, 1.2.1, 1.2.2, 1.2.3, 1.2.4, 1.2.5, 1.2.6
All unaffected versions: 1.3.0, 1.3.1, 1.4.0, 1.4.1, 1.4.2, 1.4.3, 1.5.0, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.6.0, 1.6.1, 1.6.2, 1.6.3, 1.6.4, 1.6.5, 1.6.6, 1.6.7, 1.6.8, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.1.0, 2.1.1, 2.1.2, 2.1.3, 2.2.0, 2.2.1, 2.2.2, 2.2.3, 2.2.4, 2.3.0, 2.3.1, 2.3.2, 2.3.3, 2.3.4, 2.3.5, 2.3.6, 2.3.7, 2.3.8, 2.3.9, 2.3.10
maven:io.ktor:ktor-client-cio
Dependent packages: 90Dependent repositories: 1,171
Downloads:
Affected Version Ranges: < 1.3.0
Fixed in: 1.3.0
All affected versions: 1.0.0, 1.0.1, 1.1.0, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5, 1.2.0, 1.2.1, 1.2.2, 1.2.3, 1.2.4, 1.2.5, 1.2.6
All unaffected versions: 1.3.0, 1.3.1, 1.4.0, 1.4.1, 1.4.2, 1.4.3, 1.5.0, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.6.0, 1.6.1, 1.6.2, 1.6.3, 1.6.4, 1.6.5, 1.6.6, 1.6.7, 1.6.8, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.1.0, 2.1.1, 2.1.2, 2.1.3, 2.2.0, 2.2.1, 2.2.2, 2.2.3, 2.2.4, 2.3.0, 2.3.1, 2.3.2, 2.3.3, 2.3.4, 2.3.5, 2.3.6, 2.3.7, 2.3.8, 2.3.9, 2.3.10