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CVE-2020-13934

Status Candidate

Overview

An h2c direct connection to Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36 and 8.5.1 to 8.5.56 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.

Related Files

Ubuntu Security Notice USN-4596-1
Posted Oct 21, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4596-1 - It was discovered that Tomcat did not properly manage HTTP/2 streams. An attacker could possibly use this to cause Tomcat to consume resources, resulting in a denial of service. It was discovered that Tomcat did not properly release the HTTP/1.1 processor after the upgrade to HTTP/2. An attacker could possibly use this to generate an OutOfMemoryException, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, web, denial of service
systems | linux, ubuntu
advisories | CVE-2020-11996, CVE-2020-13934, CVE-2020-13935, CVE-2020-9484
MD5 | 9c7bf230e29a045c5b7a3d87aa96b325
Red Hat Security Advisory 2020-3806-01
Posted Sep 24, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-3806-01 - Red Hat support for Spring Boot provides an application platform that reduces the complexity of developing and operating applications for OpenShift as a containerized platform. This release of Red Hat support for Spring Boot 2.2.6.SP2 serves as a replacement for Red Hat support for Spring Boot 2.2.6.SP1, and includes security and bug fixes and enhancements. For further information, refer to the release notes linked to in the References section. Issues addressed include cross site scripting and denial of service vulnerabilities.

tags | advisory, denial of service, vulnerability, xss
systems | linux, redhat
advisories | CVE-2020-10688, CVE-2020-10693, CVE-2020-13934, CVE-2020-13935
MD5 | e03d7a44e0c0d90c25bb06b54ca272f8
Red Hat Security Advisory 2020-3308-01
Posted Aug 4, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-3308-01 - Red Hat JBoss Web Server is a fully integrated and certified set of components for hosting Java web applications. It is comprised of the Apache Tomcat Servlet container, JBoss HTTP Connector, the PicketLink Vault extension for Apache Tomcat, and the Tomcat Native library. This release of Red Hat JBoss Web Server 5.3.2 serves as a replacement for Red Hat JBoss Web Server 5.3.1, and includes bug fixes, enhancements, and component upgrades, which are documented in the Release Notes, linked to in the References. Issues addressed include a denial of service vulnerability.

tags | advisory, java, web, denial of service
systems | linux, redhat
advisories | CVE-2020-13934, CVE-2020-13935
MD5 | 64720b7761a12fb3a4767798c78ae258
Red Hat Security Advisory 2020-3306-01
Posted Aug 4, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-3306-01 - Red Hat JBoss Web Server is a fully integrated and certified set of components for hosting Java web applications. It is comprised of the Apache Tomcat Servlet container, JBoss HTTP Connector, the PicketLink Vault extension for Apache Tomcat, and the Tomcat Native library. This release of Red Hat JBoss Web Server 5.3.2 serves as a replacement for Red Hat JBoss Web Server 5.3.1, and includes bug fixes, enhancements, and component upgrades, which are documented in the Release Notes, linked to in the References. Issues addressed include a denial of service vulnerability.

tags | advisory, java, web, denial of service
systems | linux, redhat
advisories | CVE-2020-13934, CVE-2020-13935
MD5 | caecac300e64d3b48adb292d24855b6f
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