CVE-2020-35681

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Summary

CVECVE-2020-35681
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-02-22 03:15:00 UTC
Updated2021-02-26 12:36:00 UTC
DescriptionDjango Channels 3.x before 3.0.3 allows remote attackers to obtain sensitive information from a different request scope. The legacy channels.http.AsgiHandler class, used for handling HTTP type requests in an ASGI environment prior to Django 3.0, did not correctly separate request scopes in Channels 3.0. In many cases this would result in a crash but, with correct timing, responses could be sent to the wrong client, resulting in potential leakage of session identifiers and other sensitive data. Note that this affects only the legacy Channels provided class, and not Django's similar ASGIHandler, available from Django 3.0.

Risk And Classification

Problem Types: CWE-200

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Djangoproject Channels All All All All
Application Djangoproject Channels All All All All

References

ReferenceSourceLinkTags
Release Notes — Channels 1.1.3 documentation MISC channels.readthedocs.io Release Notes, Vendor Advisory
Releases · django/channels · GitHub MISC github.com Third Party Advisory
3.0.3 Release Notes — Channels 3.0.3 documentation CONFIRM channels.readthedocs.io Exploit, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 982899 Python (pip) Security Update for channels (GHSA-v542-8q9x-cffc)
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