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CVE-2019-9517

Status Candidate

Overview

Some HTTP/2 implementations are vulnerable to unconstrained interal data buffering, potentially leading to a denial of service. The attacker opens the HTTP/2 window so the peer can send without constraint; however, they leave the TCP window closed so the peer cannot actually write (many of) the bytes on the wire. The attacker then sends a stream of requests for a large response object. Depending on how the servers queue the responses, this can consume excess memory, CPU, or both.

Related Files

Red Hat Security Advisory 2020-1445-01
Posted Apr 14, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1445-01 - AMQ Broker is a high-performance messaging implementation based on ActiveMQ Artemis. It uses an asynchronous journal for fast message persistence, and supports multiple languages, protocols, and platforms. This release of Red Hat AMQ Broker 7.4.3 serves as a replacement for Red Hat AMQ Broker 7.4.2, 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, denial of service, and information leakage vulnerabilities.

tags | advisory, denial of service, vulnerability, protocol, xss
systems | linux, redhat
advisories | CVE-2019-0222, CVE-2019-10241, CVE-2019-10247, CVE-2019-16869, CVE-2019-20444, CVE-2019-20445, CVE-2019-9511, CVE-2019-9512, CVE-2019-9514, CVE-2019-9515, CVE-2019-9516, CVE-2019-9517, CVE-2019-9518, CVE-2020-7238
SHA-256 | 9fad7001be8ab7acae10dfb49140dbc4d9dede2070a24edb84c881c1a41d80ca
Red Hat Security Advisory 2020-0983-01
Posted Mar 27, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-0983-01 - This release of Red Hat Fuse 7.6.0 serves as a replacement for Red Hat Fuse 7.5, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Issues addressed include code execution, cross site scripting, denial of service, deserialization, and information leakage vulnerabilities.

tags | advisory, denial of service, vulnerability, code execution, xss
systems | linux, redhat
advisories | CVE-2015-9251, CVE-2017-16012, CVE-2017-5929, CVE-2018-11771, CVE-2018-15756, CVE-2019-10174, CVE-2019-10184, CVE-2019-11272, CVE-2019-12384, CVE-2019-12422, CVE-2019-12814, CVE-2019-14379, CVE-2019-14439, CVE-2019-17570, CVE-2019-3802, CVE-2019-3888, CVE-2019-5427, CVE-2019-9512, CVE-2019-9513, CVE-2019-9514, CVE-2019-9515, CVE-2019-9516, CVE-2019-9517, CVE-2019-9518
SHA-256 | c2b2bece438c10e903155ade04dc8eb70bbee2e9169a4e812ce54e8f4eebf85a
Red Hat Security Advisory 2020-0922-01
Posted Mar 23, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-0922-01 - AMQ Broker is a high-performance messaging implementation based on ActiveMQ Artemis. It uses an asynchronous journal for fast message persistence, and supports multiple languages, protocols, and platforms. This release of Red Hat AMQ Broker 7.6.0 serves as a replacement for Red Hat AMQ Broker 7.5.0, 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, denial of service, and information leakage vulnerabilities.

tags | advisory, denial of service, vulnerability, protocol, xss
systems | linux, redhat
advisories | CVE-2019-0222, CVE-2019-10241, CVE-2019-10247, CVE-2019-16869, CVE-2019-20444, CVE-2019-20445, CVE-2019-9511, CVE-2019-9512, CVE-2019-9514, CVE-2019-9515, CVE-2019-9516, CVE-2019-9517, CVE-2019-9518, CVE-2020-7238
SHA-256 | e28f8c201acac84c857d85538a4cdf5aa62cf4a71c3756bb81586cc2df2e22b0
Red Hat Security Advisory 2019-3935-01
Posted Nov 20, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-3935-01 - Red Hat JBoss Core Services is a set of supplementary software for Red Hat JBoss middleware products. This software, such as Apache HTTP Server, is common to multiple JBoss middleware products, and is packaged under Red Hat JBoss Core Services to allow for faster distribution of updates, and for a more consistent update experience. This release adds the new Apache HTTP Server 2.4.37 packages that are part of the JBoss Core Services offering. This release serves as a replacement for Red Hat JBoss Core Services Pack Apache Server 2.4.29 and includes bug fixes and enhancements. Issues addressed include bypass and denial of service vulnerabilities.

tags | advisory, web, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2018-0734, CVE-2018-0737, CVE-2018-17189, CVE-2018-17199, CVE-2018-5407, CVE-2019-0196, CVE-2019-0197, CVE-2019-0217, CVE-2019-9511, CVE-2019-9513, CVE-2019-9516, CVE-2019-9517
SHA-256 | 38d04c60a0844680fb8dbf1f69783df06839251f87cb4f8f1f68b024aae0c58d
Red Hat Security Advisory 2019-3932-01
Posted Nov 20, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-3932-01 - This release adds the new Apache HTTP Server 2.4.37 packages that are part of the JBoss Core Services offering. This release serves as a replacement for Red Hat JBoss Core Services Pack Apache Server 2.4.29 and includes bug fixes and enhancements. Issues addressed include bypass and denial of service vulnerabilities.

tags | advisory, web, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2018-0734, CVE-2018-0737, CVE-2018-17189, CVE-2018-17199, CVE-2018-5407, CVE-2019-0196, CVE-2019-0197, CVE-2019-0217, CVE-2019-9511, CVE-2019-9513, CVE-2019-9516, CVE-2019-9517
SHA-256 | f949d1cc276a7bf012b0e797c6862801bf97e2c5aaac95a796e59d77b371fb59
Red Hat Security Advisory 2019-3933-01
Posted Nov 20, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-3933-01 - This release adds the new Apache HTTP Server 2.4.37 packages that are part of the JBoss Core Services offering. This release serves as a replacement for Red Hat JBoss Core Services Pack Apache Server 2.4.29 and includes bug fixes and enhancements. Issues addressed include bypass and denial of service vulnerabilities.

tags | advisory, web, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2018-0734, CVE-2018-0737, CVE-2018-17189, CVE-2018-17199, CVE-2018-5407, CVE-2019-0196, CVE-2019-0197, CVE-2019-0217, CVE-2019-9511, CVE-2019-9513, CVE-2019-9516, CVE-2019-9517
SHA-256 | dac80e1c3458729338d3267cf431efdab4daa1ca2b791a55f1f323f8a84c4bb4
Red Hat Security Advisory 2019-2955-01
Posted Oct 2, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2955-01 - Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service, javascript
systems | linux, redhat
advisories | CVE-2019-9511, CVE-2019-9512, CVE-2019-9513, CVE-2019-9514, CVE-2019-9515, CVE-2019-9516, CVE-2019-9517, CVE-2019-9518
SHA-256 | b7162517675b1868f60c53163c81b309fb76841f9ffbd714085b890a5ced1f17
Red Hat Security Advisory 2019-2949-01
Posted Oct 1, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2949-01 - The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Issues addressed include a denial of service vulnerability.

tags | advisory, web, denial of service
systems | linux, redhat
advisories | CVE-2019-9511, CVE-2019-9513, CVE-2019-9517
SHA-256 | bdab73625eed6702880a86fd35af0095fae8c3f7d4f7704061248eabd587b2c4
Red Hat Security Advisory 2019-2950-01
Posted Oct 1, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2950-01 - This release adds the new Apache HTTP Server 2.4.29 Service Pack 3 packages that are part of the JBoss Core Services offering. This release serves as a replacement for Red Hat JBoss Core Services Apache HTTP Server 2.4.29 SP2, and includes security and bug fixes. Issues addressed include a denial of service vulnerability.

tags | advisory, web, denial of service
systems | linux, redhat
advisories | CVE-2019-9516, CVE-2019-9517
SHA-256 | 8a36a442363708a65ed4371e7d7752bc871efa82f80284469084d66e5e2852d3
Red Hat Security Advisory 2019-2946-01
Posted Oct 1, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2946-01 - Red Hat JBoss Core Services is a set of supplementary software for Red Hat JBoss middleware products. This software, such as Apache HTTP Server, is common to multiple JBoss middleware products, and is packaged under Red Hat JBoss Core Services to allow for faster distribution of updates, and for a more consistent update experience. This release of Red Hat JBoss Core Services Apache HTTP Server 2.4.29 Service Pack 3 serves as an update to Red Hat JBoss Core Services Apache HTTP Server 2.4.29, and includes bug fixes for CVEs which are linked in the References section. Issues addressed include a denial of service vulnerability.

tags | advisory, web, denial of service
systems | linux, redhat
advisories | CVE-2019-9516, CVE-2019-9517
SHA-256 | 4eb951feb7e67bce17a0a4ed4c8806c235c72bb26a9093e01700c99790c2ed22
Red Hat Security Advisory 2019-2939-01
Posted Sep 30, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2939-01 - Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service, javascript
systems | linux, redhat
advisories | CVE-2019-9511, CVE-2019-9512, CVE-2019-9513, CVE-2019-9514, CVE-2019-9515, CVE-2019-9516, CVE-2019-9517, CVE-2019-9518
SHA-256 | 0e76daf842df9e1f5049fa77927fefcb5bac7c968f8d047c529985892ae071e8
Red Hat Security Advisory 2019-2925-01
Posted Sep 30, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2925-01 - Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service, javascript
systems | linux, redhat
advisories | CVE-2019-9511, CVE-2019-9512, CVE-2019-9513, CVE-2019-9514, CVE-2019-9515, CVE-2019-9516, CVE-2019-9517, CVE-2019-9518
SHA-256 | f0803700656f06320591e809d9b312dd5bf8233a1cb2701c316cf8e794488af0
Red Hat Security Advisory 2019-2893-01
Posted Sep 24, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2893-01 - The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Issues addressed include a denial of service vulnerability.

tags | advisory, web, denial of service
systems | linux, redhat
advisories | CVE-2019-9517
SHA-256 | ef2160b15f37357119ebea13550b7b5e62b3699c1d2f2e4bf371a1d3ac1ea485
Ubuntu Security Notice USN-4113-2
Posted Sep 17, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4113-2 - USN-4113-1 fixed vulnerabilities in the Apache HTTP server. Unfortunately, that update introduced a regression when proxying balancer manager connections in some configurations. This update fixes the problem. Various other issues were also addressed.

tags | advisory, web, vulnerability
systems | linux, ubuntu
advisories | CVE-2019-0197, CVE-2019-10081, CVE-2019-10082, CVE-2019-10092, CVE-2019-10097, CVE-2019-10098, CVE-2019-9517
SHA-256 | 12e6db2d26e4870ef279fcdf0a842386cd5e0332acd0db3cbfa6014942b8dc0f
Gentoo Linux Security Advisory 201909-04
Posted Sep 6, 2019
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201909-4 - Multiple vulnerabilities have been found in Apache, the worst of which could result in a Denial of Service condition. Versions less than 2.4.41 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2019-10081, CVE-2019-10082, CVE-2019-10092, CVE-2019-10097, CVE-2019-10098, CVE-2019-9517
SHA-256 | 946fd77a8589b7abace8328500ac0cbb9733cba80c9adbeca01e2508f1b62ea0
Ubuntu Security Notice USN-4113-1
Posted Aug 30, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4113-1 - Stefan Eissing discovered that the HTTP/2 implementation in Apache did not properly handle upgrade requests from HTTP/1.1 to HTTP/2 in some situations. A remote attacker could use this to cause a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 19.04. Craig Young discovered that a memory overwrite error existed in Apache when performing HTTP/2 very early pushes in some situations. A remote attacker could use this to cause a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 19.04. Various other issues were also addressed.

tags | advisory, remote, web, denial of service
systems | linux, ubuntu
advisories | CVE-2019-0197, CVE-2019-10081, CVE-2019-10082, CVE-2019-10092, CVE-2019-10097, CVE-2019-10098, CVE-2019-9517
SHA-256 | fc01073e29fa98b6982a2c858a17b8ca2bb20084a922393ce6c10b57d28d56cf
Debian Security Advisory 4509-1
Posted Aug 27, 2019
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4509-1 - Several vulnerabilities have been found in the Apache HTTPD server.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2019-10081, CVE-2019-10082, CVE-2019-10092, CVE-2019-10097, CVE-2019-10098, CVE-2019-9517
SHA-256 | 05f15168b7b98ddf7c58034b303654c50c6fce27c6c243e52c9f5c3c414bf30d
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