CVE-2022-42252: Apache Tomcat may reject request containing invalid Content-Length header

Quick answers

Is CVE-2022-42252 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2022-42252 being exploited in the wild.

How severe is CVE-2022-42252?

Low severity, with a CVSS score of 3.1, published 1 November 2022.

Which products and versions are affected?

org.apache.tomcat:tomcat-coyote (Maven) ECOSYSTEM:introduced=9.0.0-M1,fixed=9.0.68; org.apache.tomcat.embed:tomcat-embed-core (Maven) ECOSYSTEM:introduced=8.5.0,fixed=8.5.83.

Is there a fix for CVE-2022-42252?

Yes. org.apache.tomcat:tomcat-coyote (Maven): upgrade to 9.0.68 or later; org.apache.tomcat.embed:tomcat-embed-core (Maven): upgrade to 8.5.83 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

Am I affected by CVE-2022-42252?

Check whether you run org.apache.tomcat:tomcat-coyote (Maven) or org.apache.tomcat.embed:tomcat-embed-core (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

• org.apache.tomcat:tomcat-coyote (Maven): upgrade to 9.0.68 or later

  # set org.apache.tomcat:tomcat-coyote to 9.0.68 in your pom.xml or build.gradle

• org.apache.tomcat.embed:tomcat-embed-core (Maven): upgrade to 8.5.83 or later

  # set org.apache.tomcat.embed:tomcat-embed-core to 8.5.83 in your pom.xml or build.gradle

Affected products

• org.apache.tomcat:tomcat-coyote (Maven) ECOSYSTEM:introduced=9.0.0-M1,fixed=9.0.68
• org.apache.tomcat.embed:tomcat-embed-core (Maven) ECOSYSTEM:introduced=8.5.0,fixed=8.5.83

Identifiers

• CVE-2022-42252
• GHSA-p22x-g9px-3945