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Apache Tomcat: Important: Request smuggling (CVE-2023-45648)

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Apache Tomcat: Important: Request smuggling (CVE-2023-45648)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
10/11/2023
Created
10/11/2023
Added
10/11/2023
Modified
01/28/2025

Description

Improper Input Validation vulnerability in Apache Tomcat.Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.81 and from 8.5.0 through 8.5.93 did not correctly parse HTTP trailer headers. A specially crafted, invalid trailer header could cause Tomcat to treat a single request as multiple requests leading to the possibility of request smuggling when behind a reverse proxy. Users are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fix the issue.

Solution(s)

  • apache-tomcat-upgrade-10_1_14
  • apache-tomcat-upgrade-8_5_94
  • apache-tomcat-upgrade-9_0_81

References

  • https://attackerkb.com/topics/cve-2023-45648
  • CVE - 2023-45648
  • http://tomcat.apache.org/security-10.html
  • http://tomcat.apache.org/security-8.html
  • http://tomcat.apache.org/security-9.html
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