CVE-2024-6827: HTTP Request Smuggling in benoitc/gunicorn
Gunicorn version 21.2.0 does not properly validate the value of the 'Transfer-Encoding' header as specified in the RFC standards, which leads to the default fallback method of 'Content-Length,' making it vulnerable to TE.CL request smuggling. This vulnerability can lead to cache poisoning, data exposure, session manipulation, SSRF, XSS, DoS, data integrity compromise, security bypass, information leakage, and business logic abuse.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2024-6827?
CVE-2024-6827 has been classified as a moderate severity vulnerability due to its potential for request smuggling.
How do I fix CVE-2024-6827?
To fix CVE-2024-6827, update Gunicorn to version 23.0.0 or later.
What versions of Gunicorn are affected by CVE-2024-6827?
Gunicorn versions prior to 23.0.0 are affected by CVE-2024-6827.
What kind of attacks can CVE-2024-6827 facilitate?
CVE-2024-6827 can facilitate TE.CL request smuggling attacks.
Is there a workaround for CVE-2024-6827?
There are no known effective workarounds for CVE-2024-6827, and upgrading is recommended.