Headline
Red Hat Security Advisory 2023-6022-01
Red Hat Security Advisory 2023-6022-01 - An update for the varnish:6 module is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions. Issues addressed include a denial of service vulnerability.
The following data is constructed from data provided by Red Hat's json file at:https://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_6022.jsonRed Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.- Packet Storm Staff====================================================================Red Hat Security AdvisorySynopsis: Important: varnish:6 security updateAdvisory ID: RHSA-2023:6022-01Product: Red Hat Enterprise LinuxAdvisory URL: https://access.redhat.com/errata/RHSA-2023:6022Issue date: 2023-10-27Revision: 01CVE Names: CVE-2023-44487====================================================================Summary: An update for the varnish:6 module is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions.Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.Description:Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same web page over and over again, giving the website a significant speed up.Security Fix(es):* HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.Solution:https://access.redhat.com/articles/11258CVEs:CVE-2023-44487References:https://access.redhat.com/security/updates/classification/#importanthttps://access.redhat.com/security/vulnerabilities/RHSB-2023-003Related news
Ubuntu Security Notice 7067-1 - It was discovered that HAProxy did not properly limit the creation of new HTTP/2 streams. A remote attacker could possibly use this issue to cause HAProxy to consume excessive resources, leading to a denial of service.
Red Hat Security Advisory 2024-1444-03 - An update for the nodejs:16 module is now available for Red Hat Enterprise Linux 8. Issues addressed include a denial of service vulnerability.
Red Hat Security Advisory 2024-0484-03 - Red Hat OpenShift Container Platform release 4.13.31 is now available with updates to packages and images that fix several bugs and add enhancements.
Red Hat Security Advisory 2023-7607-03 - Red Hat OpenShift Container Platform release 4.12.45 is now available with updates to packages and images that fix several bugs.
Red Hat Security Advisory 2023-7478-01 - Red Hat OpenShift Container Platform release 4.11.54 is now available with updates to packages and images that fix several bugs.
Red Hat Security Advisory 2023-7334-01 - An update for rh-varnish6-varnish is now available for Red Hat Software Collections. Issues addressed include a denial of service vulnerability.
Red Hat Security Advisory 2023-6248-01 - Red Hat OpenShift Virtualization release 4.12.8 is now available with updates to packages and images that fix several bugs and add enhancements. Issues addressed include a denial of service vulnerability.
Red Hat Security Advisory 2023-6217-01 - Red Hat OpenShift Container Platform low-latency extras release 4.14, which provides an update for cnf-tests-container, dpdk-base-container, NUMA-aware secondary scheduler and numaresources-operator is now available. Issues addressed include a denial of service vulnerability.
Cloudflare on Thursday said it mitigated thousands of hyper-volumetric HTTP distributed denial-of-service (DDoS) attacks that exploited a recently disclosed flaw called HTTP/2 Rapid Reset, 89 of which exceeded 100 million requests per second (RPS). "The campaign contributed to an overall increase of 65% in HTTP DDoS attack traffic in Q3 compared to the previous quarter," the web infrastructure
Red Hat Security Advisory 2023-5945-01 - Red Hat AMQ Broker 7.10.4 is now available from the Red Hat Customer Portal. Issues addressed include a denial of service vulnerability.
Red Hat Security Advisory 2023-5850-01 - 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.
Debian Linux Security Advisory 5522-3 - A regression was discovered in the Http2UpgradeHandler class of Tomcat 9 introduced by the patch to fix CVE-2023-44487 (Rapid Reset Attack). A wrong value for the overheadcount variable forced HTTP2 connections to close early.
Red Hat Security Advisory 2023-5780-01 - A security update for Camel Extensions for Quarkus 2.13.3 is now available. The purpose of this text-only erratum is to inform you about the security issues fixed. Issues addressed include a denial of service vulnerability.
Red Hat Security Advisory 2023-5769-01 - nghttp2 contains the Hypertext Transfer Protocol version 2 client, server, and proxy programs as well as a library implementing the HTTP/2 protocol in C. Issues addressed include a denial of service vulnerability.
Debian Linux Security Advisory 5522-1 - Several security vulnerabilities have been discovered in the Tomcat servlet and JSP engine.
By Deeba Ahmed Google, Cloudflare, and AWS Disclosed Digital History’s Largest Ever DDoS Attack- Courtesy HTTP/2 Zero-day. This is a post from HackRead.com Read the original post: Google, Cloudflare, and AWS Disclose Largest DDoS Attack in History
Microsoft has released its Patch Tuesday updates for October 2023, addressing a total of 103 flaws in its software, two of which have come under active exploitation in the wild. Of the 103 flaws, 13 are rated Critical and 90 are rated Important in severity. This is apart from 18 security vulnerabilities addressed in its Chromium-based Edge browser since the second Tuesday of September. The two
Summary Summary Beginning in September 2023, Microsoft was notified by industry partners about a newly identified Distributed Denial-of-Service (DDoS) attack technique being used in the wild targeting HTTP/2 protocol. This vulnerability (CVE-2023-44487) impacts any internet exposed HTTP/2 endpoints. As an industry leader, Microsoft promptly opened an investigation and subsequently began working with industry partners for a coordinated disclosure and mitigation plan.