RHEL 7 / 8 : Red Hat JBoss Web Server 5.5.0 Security (Moderate) (RHSA-2021:2561)

The remote Redhat Enterprise Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:2561 advisory. Red Hat JBoss Web Server is a fully integrated and certified set of components for hosting Java web applications. It is comprised of the...

SUSE: Security Advisory (SUSE-SU-2021:1009-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

openSUSE: Security Advisory for tomcat (openSUSE-SU-2021:0496-1)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH 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-or-later This program is free software; you can...

Amazon Linux AMI : tomcat8 (ALAS-2021-1491)

The version of tomcat8 installed on the remote host is prior to 8.5.63-1.87. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2021-1491 advisory. A deserialization flaw was discovered in Apache Tomcat's use of a FileStore. Under specific circumstances, an attacker...

CVE-2021-25122

A flaw was found in Apache Tomcat. When responding to new h2c connection requests, Apache Tomcat could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's request. The highest threat from this...

Information Disclosure

tomcat-coyote is vulnerable to information leakage. When responding to new h2c connection requests, a request mix-up occurs with h2c as the request headers and a limited amount of request body is duplicated from one request to another, resulting in the request being seen by another user...

Apache Tomcat Information Disclosure Vulnerability (Mar 2021) - Linux

Apache Tomcat is prone to an information disclosure vulnerability. SPDX-FileCopyrightText: 2021 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 CPE = "cpe:/a:apache:tomcat"...

CVE-2021-25122

When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's...

DEBIAN-CVE-2021-25122

When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's...

Cross site request forgery (csrf)

When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's...

UBUNTU-CVE-2021-25122

When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's...

CVE-2021-25122 Apache Tomcat h2c request mix-up

When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's...

CVE-2021-25122

CVE-2021-25122 affects Apache Tomcat across multiple lines: 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41, and 8.5.0 to 8.5.61. The issue allows duplicating request headers and a limited amount of request body from one request to another, enabling cross-user visibility of results (information disclosur...

Fixed in Apache Tomcat 10.0.2

Note: The issues below were fixed in Apache Tomcat 10.0.1 but the release vote for the 10.0.1 release candidate did not pass. Therefore, although users must download 10.0.2 to obtain a version that includes a fix for these issues, version 10.0.1 is not included in the list of affected versions...

Fixed in Apache Tomcat 8.5.63

Note: The issues below were fixed in Apache Tomcat 8.5.62 but the release vote for the 8.5.62 release candidate did not pass. Therefore, although users must download 8.5.63 to obtain a version that includes a fix for these issues, version 8.5.62 is not included in the list of affected versions...

H2Csmuggler - HTTP Request Smuggling Over HTTP/2 Cleartext (H2C)

h2cSmuggler smuggles HTTP traffic past insecure edge-server proxypass configurations by establishing HTTP/2 cleartext h2c communications with h2c-compatible back-end servers, allowing a bypass of proxy rules and access controls. See my detailed write-up below for: Technical breakdown of the...

UPDATE: Merlin v0.9.0

Merlin v0.9.0 was released a couple of days ago. This release adds support for HTTP and h2c protocols. As we know, the h2c protocol is the non-TLS version of HTTP/2. This release also adds new "Listeners" menu to create and manage multiple listeners. You can now configure agent/listeners to liste...

Amazon Linux AMI : tomcat8 (ALAS-2020-1409)

The version of tomcat8 installed on the remote host is prior to 8.5.57-1.85. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2020-1409 advisory. The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 t...

Apache Tomcat 9.0.0.M1 < 9.0.37 multiple vulnerabilities

The version of Tomcat installed on the remote host is prior to 9.0.37. It is, therefore, affected by multiple vulnerabilities as referenced in the fixedinapachetomcat9.0.37security-9 advisory. - The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to...

CVE-2020-13934

A flaw was found in Apache Tomcat, where 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 are made, an OutOfMemoryException could occur, leading to a denial of service. The highest threat from this vulnerability i...