RHEL 8 : varnish:6 (RHSA-2023:6022)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:6022 advisory. 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 ov...

SUSE SLES15 Security Update : nodejs18 (SUSE-SU-2023:4207-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:4207-1 advisory. - Update to version 18.18.2 - CVE-2023-44487: Fixed the Rapid Reset attack in nghttp2. bsc1216190 - CVE-2023-45143: Fixed a cookie...

SUSE SLED15 / SLES15 / openSUSE 15 Security Update : nghttp2 (SUSE-SU-2023:4200-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2023:4200-1 advisory. - The HTTP/2 protocol allows a denial of service server resource consumption because request cancellation...

Important: Red Hat Security Advisory: Red Hat Advanced Cluster Management 2.7.9 security and bug fix updates

Red Hat Advanced Cluster Management for Kubernetes 2.7.9 General Availability release images, which provide security updates and fix bugs. 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...

Security Bulletin: IBM DataPower Gateway vulnerable to HTTP/2 "Rapid Reset" Denial of Service (CVE-2023-44487, CVE-2023-39325)

Summary IBM has addressed both CVEs. Vulnerability Details CVEID: CVE-2023-39325 DESCRIPTION: Golang Go is vulnerable to a denial of service, caused by an uncontrolled resource consumption flaw in the net/http and x/net/http2 packages. By sending specially crafted requests using HTTP/2 client, a...

Security Bulletin: IBM Cloud Kubernetes Service is affected by Kubernetes Ingress Controller security vulnerabilities (CVE-2023-44487)

Summary IBM Cloud Kubernetes Service is affected by a Kubernetes Ingress Controller security vulnerability that exploits HTTP/2 protocol by allowing a denial of service because request cancellation can reset many streams quickly CVE-2023-44487. Vulnerability Details CVE-2023-44487 Description: Th...

Record-Breaking 100 Million RPS DDoS Attack Exploits HTTP/2 Rapid Reset Flaw

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...

Important: Red Hat Security Advisory: Migration Toolkit for Runtimes security update

An update for mtr-operator-bundle-container, mtr-operator-container, mtr-web-container, and mtr-web-executor-container is now available for Migration Toolkit for Runtimes 1 on RHEL 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability...

HTTP/2 Stream Cancellation Attack

google.golang.org/grpc is vulnerable to HTTP/2 Stream Cancellation Attack. The vulnerability exists because the library does not enforce the limit of concurrently running handlers set by MaxConcurrentStreams. This enables an attacker to send malicious HTTP/2 requests, cancel them, and then send...

Important: Red Hat Security Advisory: Openshift Secondary Scheduler Operator 1.1.3 security update

Secondary Scheduler Operator for Red Hat OpenShift 1.1.3 An update for secondary-scheduler-operator-bundle-container and secondary-scheduler-operator-container is now available for OSSO-1.1-RHEL-8. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

Important: Red Hat Security Advisory: Run Once Duration Override Operator for Red Hat OpenShift 1.0.1 security update

An update for run-once-duration-override-container, run-once-duration-override-operator-bundle-container, and run-once-duration-override-operator-container is now available for RODOO-1.0-RHEL-8. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

nginx:1.22 security update

1:1.22.1-3.0.1.1 - Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack CVE-2023-44487...

Fedora 38 : nodejs20 (2023-4d2fd884ea)

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-4d2fd884ea advisory. 2023-10-13, Version 20.8.1 Current, @RafaelGSS This is a security release. Notable Changes The following CVEs are fixed in this release:...

AlmaLinux 9 : toolbox (ALSA-2023:6077)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2023:6077 advisory. - A malicious HTTP/2 client which rapidly creates requests and immediately resets them can cause excessive server resource consumption. While the total...

AlmaLinux 8 : varnish (ALSA-2023:5989)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2023:5989 advisory. HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack Rapid Reset Attack CVE-2023-44487 Tenable has extracted the preceding description block...

Fedora 37 : nodejs18 (2023-e9c04d81c1)

The remote Fedora 37 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-e9c04d81c1 advisory. 2023-10-13, Version 18.18.2 'Hydrogen' LTS, @RafaelGSS This is a security release. Notable Changes The following CVEs are fixed in this release:...

Fedora 37 : nodejs20 (2023-f66fc0f62a)

The remote Fedora 37 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-f66fc0f62a advisory. 2023-10-13, Version 20.8.1 Current, @RafaelGSS This is a security release. Notable Changes The following CVEs are fixed in this release:...

gRPC-Go HTTP/2 Rapid Reset vulnerability

Impact In affected releases of gRPC-Go, it is possible for an attacker to send HTTP/2 requests, cancel them, and send subsequent requests, which is valid by the HTTP/2 protocol, but would cause the gRPC-Go server to launch more concurrent method handlers than the configured maximum stream limit...

GHSA-M425-MQ94-257G gRPC-Go HTTP/2 Rapid Reset vulnerability

Impact In affected releases of gRPC-Go, it is possible for an attacker to send HTTP/2 requests, cancel them, and send subsequent requests, which is valid by the HTTP/2 protocol, but would cause the gRPC-Go server to launch more concurrent method handlers than the configured maximum stream limit...

Moderate: Red Hat Security Advisory: nginx:1.22 security update

An update for the nginx:1.22 module is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...