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CVE-2024-21733
Java vulnerability analysis and mitigation

Overview

A Generation of Error Message Containing Sensitive Information vulnerability (CVE-2024-21733) was identified in Apache Tomcat. The vulnerability affects Apache Tomcat versions 8.5.7 through 8.5.63 and 9.0.0-M11 through 9.0.43. The issue was discovered by xer0dayz from Sn1perSecurity LLC (OSS Security).

Technical details

The vulnerability is classified with a CVSS v3.1 Base Score of 5.3 (MEDIUM) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. The issue is related to incomplete POST requests that could trigger an error response containing sensitive information (NVD).

Impact

When successfully exploited, this vulnerability could lead to the disclosure of sensitive information, specifically the leaking of unrelated request bodies in the default error page (Apache Advisory).

Exploitability

The vulnerability is publicly known and has been discussed in security communities. It requires network access but does not need authentication or user interaction to exploit (NetApp Advisory).

Mitigation and workarounds

Users are recommended to upgrade to Apache Tomcat version 8.5.64 or later for the 8.5.x series, or version 9.0.44 or later for the 9.0.x series, which contain fixes for this vulnerability (CVE Mitre).

Additional resources

Linux Distribution fix status

Fix availability across major Linux distributions and their releases.

Debian

Fixed

bookworm

tomcat9: 9.0.53-1

Fixed

bullseye

tomcat9: 9.0.43-2~deb11u11

Fixed

sid

tomcat9: 9.0.53-1

Fixed

trixie

tomcat9: 9.0.53-1

Fixed

SourceThis report was generated using AI

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