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CVE-2022-42252

Public on 2022-11-01
Modified on 2023-05-05
Description

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.

Severity
Important
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CVSS v3 Base Score
7.5
See breakdown
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Tomcat8.5 Extra tomcat 2023-08-21 20:58 ALAS2TOMCAT8.5-2023-002
Amazon Linux 2 - Tomcat9 Extra tomcat 2023-08-21 20:58 ALAS2TOMCAT9-2023-002
Amazon Linux 2 - Tomcat9 Extra tomcat 2023-08-21 20:58 ALAS2TOMCAT9-2023-005
Amazon Linux 2023 tomcat9 2023-03-20 18:27 ALAS2023-2023-140

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

Red Hat: CVE-2022-42252 Mitre: CVE-2022-42252 FAQs regarding Amazon Linux ALAS/CVE Severity