CVE-2020-10109
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability89. percentile3.3%
Product
Twisted
PublishedMar 12, 2020
First seenMar 12, 2020
How to fix
Update
- twisted20.3.0, 20.3.0rc1 or later
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YW3NIL7VXSGJND2Q4BSXM3CFTAFU6T7D/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6ISMZFZBWW4EV6ETJGXAYIXN3AT7GBPL/
- usn.ubuntu.com/4308-2/
- usn.ubuntu.com/4308-1/
- security.gentoo.org/glsa/202007-24
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| twisted twisted | v ≤ 19.10.0 | — |
| fedoraproject fedora | 31, 32 | — |
| debian debian_linux | 9.0 | — |
| canonical ubuntu_linux | 14.04, 16.04, 18.04, 19.10 | — |
| twistedPyPI | v < 20.3.0, v < 20.3.0rc1 | 20.3.0, 20.3.0rc1 |
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