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CVE-2024-23672— Apache Tomcat: WebSocket DoS with incomplete closing handshake

Quick assessment

Affected
Apache Software Foundation Apache Tomcat
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Tomcat是美国阿帕奇（Apache）基金会的一款轻量级Web应用服务器。该程序实现了对Servlet和JavaServer Page（JSP）的支持。 Apache Tomcat存在安全漏洞，该漏洞源于不完全清理，会导致拒绝服务。

AI Predicted 7.5 Difficulty: Easy EPSS 2.31% · P82

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2024-23672

Vulnerability Information
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Vulnerability Title
Apache Tomcat: WebSocket DoS with incomplete closing handshake
Source: CVE Program / CVE List V5
Vulnerability Description
Denial of Service via incomplete cleanup vulnerability in Apache Tomcat. It was possible for WebSocket clients to keep WebSocket connections open leading to increased resource consumption.This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1 through 9.0.85, from 8.5.0 through 8.5.98. Older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.0-M17, 10.1.19, 9.0.86 or 8.5.99 which fix the issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
清理环节不完整
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Tomcat 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Tomcat是美国阿帕奇（Apache）基金会的一款轻量级Web应用服务器。该程序实现了对Servlet和JavaServer Page（JSP）的支持。 Apache Tomcat存在安全漏洞，该漏洞源于不完全清理，会导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Tomcat 11.0.0-M1 ~ 11.0.0-M16 -

II. Public POCs for CVE-2024-23672

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III. Intelligence Information for CVE-2024-23672

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Vendor Advisories for CVE-2024-23672 (1)

Mailing List Discussions for CVE-2024-23672 (5)

IV. Related Vulnerabilities

Same product: Apache Tomcat
Same vendor: Apache Software Foundation
Same weakness: CWE-459

V. Comments for CVE-2024-23672

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