CVE-2019-20445
Critical
Description
HttpObjectDecoder.java in Netty before 4.1.44 allows a Content-Length header to be accompanied by a second Content-Length header, or by a Transfer-Encoding header.
SeverityCritical
CVSS9.1
Exploit probability—
Product
Netty
PublishedJan 29, 2020
First seenJan 29, 2020
How to fix
Update
- netty netty4.1.44 or later
- io.netty:netty-handler4.1.45 or later
Vendor advisories
- access.redhat.com/errata/RHSA-2020:0497
- access.redhat.com/errata/RHSA-2020:0601
- access.redhat.com/errata/RHSA-2020:0606
- access.redhat.com/errata/RHSA-2020:0605
- access.redhat.com/errata/RHSA-2020:0567
- access.redhat.com/errata/RHSA-2020:0806
- access.redhat.com/errata/RHSA-2020:0811
- access.redhat.com/errata/RHSA-2020:0804
- access.redhat.com/errata/RHSA-2020:0805
- usn.ubuntu.com/4532-1/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TS6VX7OMXPDJIU5LRGUAHRK6MENAVJ46/
- debian.org/security/2021/dsa-4885
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| netty netty | v < 4.1.44 | 4.1.44 |
| debian debian_linux | 8.0, 9.0, 10.0 | — |
| fedoraproject fedora | 33 | — |
| canonical ubuntu_linux | 18.04 | — |
| redhat jboss_amq_clients | 2 | — |
| redhat jboss_enterprise_application_platform | 7.2, 7.3 | — |
| apache spark | 2.4.7, 2.4.8 | — |
| io.netty:netty-handlerMaven | 4.0.0 ≤ v < 4.1.45 | 4.1.45 |
| org.jboss.netty:nettyMaven | No range specified | — |
| io.netty:nettyMaven | No range specified | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.