ID

VAR-202310-0175

CVE

CVE-2023-44487

TITLE

Debian Security Advisory 5558-1

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. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - ------------------------------------------------------------------------- Debian Security Advisory DSA-5558-1 security@debian.org https://www.debian.org/security/ Markus Koschany November 18, 2023 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : netty CVE ID : CVE-2023-34462 CVE-2023-44487 Debian Bug : 1038947 1054234 Two security vulnerabilities have been discovered in Netty, a Java NIO client/server socket framework. CVE-2023-34462 It might be possible for a remote peer to send a client hello packet during a TLS handshake which lead the server to buffer up to 16 MB of data per connection. This problem is also known as Rapid Reset Attack. For the oldstable distribution (bullseye), these problems have been fixed in version 1:4.1.48-4+deb11u2. For the stable distribution (bookworm), these problems have been fixed in version 1:4.1.48-7+deb12u1. We recommend that you upgrade your netty packages. For the detailed security status of netty please refer to its security tracker page at: https://security-tracker.debian.org/tracker/netty 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----- iQKTBAEBCgB9FiEErPPQiO8y7e9qGoNf2a0UuVE7UeQFAmVY5TZfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEFD RjNEMDg4RUYzMkVERUY2QTFBODM1RkQ5QUQxNEI5NTEzQjUxRTQACgkQ2a0UuVE7 UeRHiBAAzFhW85Ho37J02wrSDVwhIMTsVjNO9lnA08Pswdohr9K1wxeCJ/hBAx97 UNIrjTxyOfCJWi1Kj5pITXEHBRu6w1fj/5y9yoMpAKEu+oGQroHbSf4CPmqP2Of0 eamkfbGx2Dh7Ug3qYxe+elcqRtU3gu8I8DYcWJnm2VpWq7/pbNJ+9iqtmMjhkPLH 1etLI/5HAkwpPimZSrHzcimn39gEVaIbZLc86ZBAoAPghc+iJR1JFHERmkEutWkB eAnL3kD1mr6F711eZvDfPaRfEUVorW67ZEpPX68MJExuYHNXd268EhQOhf/ZYv8g SUSBJuKw4w2OnL4fn8lhqnQgYHUVkcYBtfYii6E9bEVAIPoaT+4gvdSg9zkF6cza Da8SXkEY2ysaX+A24iVnCNMpCMSOUOxWsFFvkCcfi8A4HxGGqWzVOsBbDJKjktS1 g6FyeqWsGh9QG/CPYeMN7LB7lW1l2XzO6GQ9QR1rzU/whgUVxprkye5wx2BaQmom rrWVHBijH1cNWd1IbryAm+prduL1l/CNR0785ZPTjB3SsMFPCAtRHf9G976rqVs0 P3jGg+BdeDj+sd3EFHcHnNXQOaETgR07RWzngbjEkgmJYhB2B43hCQ2LwsNlHsmg O6otUI2k274IF9KHh0T1h1hopbUTU8VPy3dpcLloCzk7KiAv1RI= =4ExT -----END PGP SIGNATURE----- . It releases an updated versions of the Kernel Module Management bringing it to v1.1.2 As part of this it updates the following container images that constitute the Kernel Module Management Operator: kernel-module-management-signing kernel-module-management-operator kernel-module-management-worker kernel-module-management-hub-operator kernel-module-management-must-gather kernel-module-management-hub-operator-bundle kernel-module-management-operator-bundle Description: kernel module management is Red Hat's operator designed to load and manage out-of-tree kernel modules and device plugins for Red Hat OpenShift Container Platform. Description: nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. The HTTP/2 protocol implementation did not sufficiently verify if HPACK header values exceed their size limit. ========================================================================== Ubuntu Security Notice USN-6438-2 October 25, 2023 .Net regressions ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 Summary: An incomplete fix was discovered in .Net. Software Description: - dotnet6: dotNET CLI tools and runtime - dotnet7: dotNET CLI tools and runtime Details: USN-6438-1 fixed vulnerabilities in .Net. It was discovered that the fix for [CVE-2023-36799](https://ubuntu.com/security/CVE-2023-36799) was incomplete. This update fixes the problem. Original advisory details: Kevin Jones discovered that .NET did not properly process certain X.509 certificates. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-36799) It was discovered that the .NET Kestrel web server did not properly handle HTTP/2 requests. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2023-44487) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10: aspnetcore-runtime-6.0 6.0.124-0ubuntu1~23.10.1 aspnetcore-runtime-7.0 7.0.113-0ubuntu1~23.10.1 dotnet-host 6.0.124-0ubuntu1~23.10.1 dotnet-host-7.0 7.0.113-0ubuntu1~23.10.1 dotnet-hostfxr-6.0 6.0.124-0ubuntu1~23.10.1 dotnet-hostfxr-7.0 7.0.113-0ubuntu1~23.10.1 dotnet-runtime-6.0 6.0.124-0ubuntu1~23.10.1 dotnet-runtime-7.0 7.0.113-0ubuntu1~23.10.1 dotnet-sdk-6.0 6.0.124-0ubuntu1~23.10.1 dotnet-sdk-7.0 7.0.113-0ubuntu1~23.10.1 dotnet6 6.0.124-0ubuntu1~23.10.1 dotnet7 7.0.113-0ubuntu1~23.10.1 In general, a standard system update will make all the necessary changes. Description: Release of Red Hat build of OptaPlanner 8.38.0 SP2. The purpose of this text-only erratum is to inform you about the security issues fixed. 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_5920.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: Red Hat JBoss Enterprise Application Platform 7.4 security update Advisory ID: RHSA-2023:5920-01 Product: Red Hat JBoss Enterprise Application Platform Advisory URL: https://access.redhat.com/errata/RHSA-2023:5920 Issue date: 2023-10-19 Revision: 01 CVE Names: CVE-2023-44487 ==================================================================== Summary: A security update is now available for Red Hat JBoss Enterprise Application Platform 7.4. 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 JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly application runtime. This asynchronous patch is a security update for Red Hat JBoss Enterprise Application Platform 7.4. Security Fix(es): * undertow/netty-codec-http2: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (CVE-2023-44487) A Red Hat Security Bulletin which addresses further details about this flaw is available in the References section. For more details about the security issue(s), including the impact, a CVSS score, acknowledgements, and other related information, refer to the CVE page(s) listed in the References section. Solution: https://access.redhat.com/articles/11258 CVEs: CVE-2023-44487 References: https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/RHSB-2023-003 https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/7.4/ https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/7.4/html-single/installation_guide/ . Description: Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. 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

AFFECTED PRODUCTS

CVSS

PROBLEMTYPE DATA

THREAT TYPE

remote

EXTERNAL IDS

REFERENCES