ID

VAR-202310-0175

CVE

CVE-2023-44487

TITLE

Red Hat Security Advisory 2023-7325-01

DESCRIPTION

The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023. The following advisory data is extracted from: https://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_7325.json Red 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 Advisory Synopsis: Important: OpenShift Container Platform 4.13.23 packages and security update Advisory ID: RHSA-2023:7325-01 Product: Red Hat OpenShift Enterprise Advisory URL: https://access.redhat.com/errata/RHSA-2023:7325 Issue date: 2023-11-21 Revision: 01 CVE Names: CVE-2023-44487 ==================================================================== Summary: Red Hat OpenShift Container Platform release 4.13.23 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.13. 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: Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.13.23. See the following advisory for the container images for this release: https://access.redhat.com/errata/RHSA-2023:7323 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. All OpenShift Container Platform 4.13 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.openshift.com/container-platform/4.13/updating/updating-cluster-cli.html Solution: https://docs.openshift.com/container-platform/4.13/release_notes/ocp-4-13-release-notes.html CVEs: CVE-2023-44487 References: https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/RHSB-2023-003 https://bugzilla.redhat.com/show_bug.cgi?id=2242803 https://bugzilla.redhat.com/show_bug.cgi?id=2243296 . Space precludes documenting all of these changes in this advisory. 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. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - ------------------------------------------------------------------------- Debian Security Advisory DSA-5522-3 security@debian.org https://www.debian.org/security/ Markus Koschany October 16, 2023 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : tomcat9 CVE ID : CVE-2023-44487 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. For the oldstable distribution (bullseye), this problem has been fixed in version 9.0.43-2~deb11u9. We recommend that you upgrade your tomcat9 packages. For the detailed security status of tomcat9 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/tomcat9 Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: debian-security-announce@lists.debian.org -----BEGIN PGP SIGNATURE----- iQKTBAEBCgB9FiEErPPQiO8y7e9qGoNf2a0UuVE7UeQFAmUtrGRfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEFD RjNEMDg4RUYzMkVERUY2QTFBODM1RkQ5QUQxNEI5NTEzQjUxRTQACgkQ2a0UuVE7 UeRklBAAg7AmsDgaOQ6E4PR41JewkEIlV/n/jfqEkhHXRxG9zG4yijcszgTcF3Ii rf3lBgytAMlSD7dRyy9HG6tRpgMTaajEgeAZdeL01mQf0JnJMg3WPZbkDV9kgyzy TMhKjMwaSi65nuBETud5OTZIVsnpaonWsQsTxjaIrbdGnQFJrr13cRVKrY8aT5Ur AxtxTFL8FGQxU+RgTehV5KMbtCY9kZhemwyQ6LRk1UstWhype8/ydK7UCaQEJ777 zyl7ioGvv15GmZMMJCZ1zH0Z6FXlhbVDLCcVshJN3/ddlVTC9Xx10lCEx/hZY29x b6Stq/YMayZMoKQY2V3JeQbM3OMCPalpcPU+/WbhuX9eZuWHapnlyTwgsjQOVLNc prPfuUAAGCmNFuPMqN//EtmSQV5SP+dqJrwcGMxWDmuagB4qD9nbwtr1zNb5QJpK rK24yHlY3Pmu1yegPIeZIJxuFMc5N5cIDj7BfKY51nnV5kbHRshSacBmbm4Sxvfv lqEPeqZKogGIAXvmPSeC1gCoL0l98rKVOq3bc8+9z2TgB7W/vB60/IyM1pR8svPu +ShPWFh+tkWvt4PjgZ+qThM+xGkcMX12lhRDmFhs4rE8IQIDChiZWBMReggtw6Ii ETuYDmr5EAd5u5ymMyQmououeNKwRDi4AbGRPV7JddIVkcbUxgk= =ENCN -----END PGP SIGNATURE----- . Description: Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Description: .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET 6.0 to SDK 6.0.123 and Runtime 6.0.23. ========================================================================== Ubuntu Security Notice USN-7067-1 October 14, 2024 haproxy vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.04 LTS Summary: HAProxy could be made to crash or run programs if it received specially crafted network traffic. Software Description: - haproxy: fast and reliable load balancing reverse proxy Details: 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. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS haproxy 1.8.8-1ubuntu0.13+esm3 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes

AFFECTED PRODUCTS

CVSS

PROBLEMTYPE DATA

THREAT TYPE

remote

TYPE

info disclosure

EXTERNAL IDS

REFERENCES