HTTP Request Smuggling Affecting tomcat9-el-3.0-api package, versions <1:9.0.71-1.amzn2023.0.1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.24% (62nd percentile)

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  • Snyk IDSNYK-AMZN2023-TOMCAT9EL30API-3369431
  • published23 Mar 2023
  • disclosed1 Nov 2022

Introduced: 1 Nov 2022

CVE-2022-42252  (opens in a new tab)
CWE-444  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 tomcat9-el-3.0-api to version 1:9.0.71-1.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2023-140.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat9-el-3.0-api package and not the tomcat9-el-3.0-api package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

If Apache Tomcat 8.5.0 to 8.5.82, 9.0.0-M1 to 9.0.67, 10.0.0-M1 to 10.0.26 or 10.1.0-M1 to 10.1.0 was configured to ignore invalid HTTP headers via setting rejectIllegalHeader to false (the default for 8.5.x only), Tomcat did not reject a request containing an invalid Content-Length header making a request smuggling attack possible if Tomcat was located behind a reverse proxy that also failed to reject the request with the invalid header.

CVSS Scores

version 3.1