CVE-2020-10109

Public Exploit

Description

In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability. When presented with a content-length and a chunked encoding header, the content-length took precedence and the remainder of the request body was interpreted as a pipelined request.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.57%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://know.bishopfox.com/advisories third party advisory exploit
https://know.bishopfox.com/advisories/twisted-version-19.10.0 third party advisory release notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YW3NIL7VXSGJND2Q4BSXM3CFTAFU6T7D/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6ISMZFZBWW4EV6ETJGXAYIXN3AT7GBPL/ vendor advisory
https://usn.ubuntu.com/4308-2/ third party advisory vendor advisory
https://usn.ubuntu.com/4308-1/ third party advisory vendor advisory
https://security.gentoo.org/glsa/202007-24 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2022/02/msg00021.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2020-10109?
CVE-2020-10109 has been scored as a critical severity vulnerability.
How to fix CVE-2020-10109?
To fix CVE-2020-10109, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-10109 being actively exploited in the wild?
It is possible that CVE-2020-10109 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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