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

Affected: Apache Software Foundation Apache Tomcat

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.

USN-7106-1 — tomcat9 vulnerabilities

Affected: Ubuntu:Pro:18.04:LTS: tomcat9, Ubuntu:20.04:LTS: tomcat9, Ubuntu:Pro:22.04:LTS: tomcat9

It was discovered that Tomcat did not include the secure attribute for session cookies when using the RemoteIpFilter with requests from a reverse proxy. An attacker could possibly use this issue to leak sensitive information. (CVE-2023-28708)

It was discovered that Tomcat had a vulnerability in its FORM authentication feature, leading to an open redirect attack. An attacker could possibly use this issue to perform phishing attacks. (CVE-2023-41080)

It was discovered that Tomcat incorrectly recycled certain objects, which could lead to information leaking from one request to the next. An attacker could potentially use this issue to leak sensitive information. (CVE-2023-42795)

It was discovered that Tomcat incorrectly handled HTTP trailer headers. A remote attacker could possibly use this issue to perform HTTP request smuggling. (CVE-2023-45648)

It was discovered that Tomcat incorrectly handled socket cleanup, which could lead to websocket connections staying open. An attacker could possibly use this issue to cause a denial of service. (CVE-2024-23672)

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

USN-7106-1 — tomcat9 vulnerabilities