CVE-2020-7693

CVE-2020-7693 affects SockJS sockjs-node before 0.3.20. The issue is caused by improper handling of the Upgrade header with the value websocket, which can crash containers hosting SockJS apps. Severity per CVSS indicates a MEDIUM impact (availability impact = LOW). Remediation: upgrade SockJS to ...

npmjs-websocket-extensions: ReDoS vulnerability in Sec-WebSocket-Extensions parser

websocket-extensions npm module prior to 0.1.4 allows Denial of Service DoS via Regex Backtracking. The extension parser may take quadratic time when parsing a header containing an unclosed string parameter value whose content is a repeating two-byte sequence of a backslash and some other...

GHSA-WWGF-3XP7-CXJ4 Potentially sensitive data exposure in Symfony Web Socket Bundle

Impact Inside Gos\Bundle\WebSocketBundle\Server\App\Dispatcher\TopicDispatcher::onPublish, messages are arbitrarily broadcasted to the related Topic if Gos\Bundle\WebSocketBundle\Server\App\Dispatcher\TopicDispatcher::dispatch does not succeed. The dispatch method can be considered to not succeed...

Potentially sensitive data exposure in Symfony Web Socket Bundle

Impact Inside Gos\Bundle\WebSocketBundle\Server\App\Dispatcher\TopicDispatcher::onPublish, messages are arbitrarily broadcasted to the related Topic if Gos\Bundle\WebSocketBundle\Server\App\Dispatcher\TopicDispatcher::dispatch does not succeed. The dispatch method can be considered to not succeed...

Fixed in Apache Tomcat 7.0.105

Important: WebSocket DoS CVE-2020-13935 The payload length in a WebSocket frame was not correctly validated. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service. This was fixed with commits f9f75c14 and 4c049828...

Potentially sensitive data exposure

Description Impact Inside Gos\Bundle\WebSocketBundle\Server\App\Dispatcher\TopicDispatcher::onPublish, messages are arbitrarily broadcasted to the related Topic if Gos\Bundle\WebSocketBundle\Server\App\Dispatcher\TopicDispatcher::dispatch does not succeed. The dispatch method can be considered to...

Potentially sensitive data exposure

Impact Inside Gos\Bundle\WebSocketBundle\Server\App\Dispatcher\TopicDispatcher::onPublish, messages are arbitrarily broadcasted to the related Topic if Gos\Bundle\WebSocketBundle\Server\App\Dispatcher\TopicDispatcher::dispatch does not succeed. The dispatch method can be considered to not succeed...

Fixed in Apache Tomcat 9.0.37

Important: WebSocket DoS CVE-2020-13935 The payload length in a WebSocket frame was not correctly validated. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service. This was fixed with commit 40fa74c7. This issue wa...

Apache Tomcat -- Multiple Vulnerabilities

The Apache Software Foundation reports: An h2c direct connection did not release the HTTP/1.1 processor after the upgrade to HTTP/2. If a sufficient number of such requests were made, an OutOfMemoryException could occur leading to a denial of service. The payload length in a WebSocket frame was n...

KLA12083 DoS vulnerabilities in Apache Tomcat

DoS vulnerabilities were found in Apache Tomcat. Malicious users can exploit these vulnerabilities to cause denial of service. Below is a complete list of vulnerabilities: 1. DoS vulnerability in h2c direct connection can be exploited to cause denial of service. 2. DoS vulnerability in WebSocket...

Fixed in Apache Tomcat 8.5.57

Important: WebSocket DoS CVE-2020-13935 The payload length in a WebSocket frame was not correctly validated. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service. This was fixed with commit 12d71567. This issue wa...

Fixed in Apache Tomcat 10.0.0-M7

Important: WebSocket DoS CVE-2020-13935 The payload length in a WebSocket frame was not correctly validated. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service. This was fixed with commit 1c1c77b0. This issue wa...

PT-2020-4410

Name of the Vulnerable Software and Affected Versions: Apache Tomcat versions 7.0.27 through 7.0.104 Apache Tomcat versions 8.5.0 through 8.5.56 Apache Tomcat versions 9.0.0.M1 through 9.0.36 Apache Tomcat versions 10.0.0-M1 through 10.0.0-M6 Description: The issue is related to the execution of ...

Stripo Inc: Cross-Site WebSocket Hijacking Lead to Steal XSRF-TOKEN

The WebSocket handshake request was vulnerable to CSRF, WebSocket content was contain many sensitive data for the user It was like the PortSwigger Lab...

Denial of Service (DoS)

Overview sockjs is a JavaScript library for browsers that provides a WebSocket-like object. Affected versions of this package are vulnerable to Denial of Service DoS. Incorrect handling of Upgrade header with the value websocket leads in crashing of containers hosting sockjs apps. PoC by Andrew...

Huawei EulerOS: Security Advisory for libsoup (EulerOS-SA-2020-1748)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-4407-1 libvncserver vulnerabilities

It was discovered that LibVNCServer incorrectly handled decompressing data. An attacker could possibly use this issue to cause LibVNCServer to crash, resulting in a denial of service. CVE-2019-15680 It was discovered that an information disclosure vulnerability existed in LibVNCServer when sendin...

USN-4407-1: LibVNCServer vulnerabilities

It was discovered that LibVNCServer incorrectly handled decompressing data. An attacker could possibly use this issue to cause LibVNCServer to crash, resulting in a denial of service. CVE-2019-15680 It was discovered that an information disclosure vulnerability existed in LibVNCServer when sendin...

npmjs-websocket-extensions: ReDoS vulnerability in Sec-WebSocket-Extensions parser

websocket-extensions npm module prior to 0.1.4 allows Denial of Service DoS via Regex Backtracking. The extension parser may take quadratic time when parsing a header containing an unclosed string parameter value whose content is a repeating two-byte sequence of a backslash and some other...

RHEL 8 : Red Hat OpenShift Service Mesh servicemesh-grafana (RHSA-2020:2796)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:2796 advisory. Red Hat OpenShift Service Mesh is Red Hat's distribution of the Istio service mesh project, tailored for installation into an on-premise...