CVE-2020-7238
High
Description
Netty 4.1.43.Final allows HTTP Request Smuggling because it mishandles Transfer-Encoding whitespace (such as a [space]Transfer-Encoding:chunked line) and a later Content-Length header. This issue exists because of an incomplete fix for CVE-2019-16869.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Netty
PublishedJan 27, 2020
First seenJan 27, 2020
How to fix
Update
- 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
- 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 | 4.1.43 | — |
| fedoraproject fedora | 33 | — |
| debian debian_linux | 8.0, 9.0, 10.0 | — |
| redhat jboss_enterprise_application_platform | 7.2, 7.3, 7.4 | — |
| redhat jboss_enterprise_application_platform_text-only_advisories | No range specified | — |
| redhat openshift_application_runtimes_text-only_advisories | No range specified | — |
| io.netty:netty-handlerMaven | 4.1.43 ≤ v < 4.1.45 | 4.1.45 |
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