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CVE-2023-44487

Status Candidate

Overview

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.

Related Files

Red Hat Security Advisory 2023-5716-01
Posted Oct 17, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-5716-01 - Red Hat Data Grid is an in-memory, distributed, NoSQL datastore solution. It increases application response times and allows for dramatically improving performance while providing availability, reliability, and elastic scale. Data Grid 8.4.5 replaces Data Grid 8.4.4 and includes bug fixes and enhancements. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | 6607c1ce1712c6a5467357248bd5ef0be80c4a73818a389d0cb925fc37cb13e8
Red Hat Security Advisory 2023-5714-01
Posted Oct 16, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-5714-01 - nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Issues addressed include a denial of service vulnerability.

tags | advisory, web, denial of service, protocol
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | a94dbe3add5d27b474a7e19885bdf0916c7ec1c74980d7fed45915178f06c5b3
Red Hat Security Advisory 2023-5713-01
Posted Oct 16, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-5713-01 - nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Issues addressed include a denial of service vulnerability.

tags | advisory, web, denial of service, protocol
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | 30de2472e72b721bf7c437f31b51e6cfbb2bb56d3e80c42656395d2983758a42
Red Hat Security Advisory 2023-5711-01
Posted Oct 16, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-5711-01 - nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Issues addressed include a denial of service vulnerability.

tags | advisory, web, denial of service, protocol
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | 2c4da744261b683374e720cf294d6944b7a84c1e8ae1303e5f240fb4687cb3d1
Red Hat Security Advisory 2023-5709-01
Posted Oct 16, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-5709-01 - .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 7.0 to SDK 7.0.112 and Runtime 7.0.12. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | 52be97c43f28d7f471064857defb4549cd2c27021453a2d2371ba06ab3bea507
Red Hat Security Advisory 2023-5708-01
Posted Oct 16, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-5708-01 - .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. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | 31ec9e1b5e230e0ff4ae733237dd580dbb24f90d78a501f374e8cc67c3b4adf4
Debian Security Advisory 5522-2
Posted Oct 13, 2023
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5522-2 - The patch to address CVE-2023-44487 (Rapid Reset Attack) was incomplete and caused a regression when using asynchronous I/O (the default for NIO and NIO2). DATA frames must be included when calculating the HTTP/2 overhead count to ensure that connections are not prematurely terminated.

tags | advisory, web
systems | linux, debian
advisories | CVE-2023-44487
SHA-256 | b17a58234680a0c5aafdce8c0723d0bcd3b37e52e58f503e9d474637684d07e9
Debian Security Advisory 5522-1
Posted Oct 11, 2023
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5522-1 - Several security vulnerabilities have been discovered in the Tomcat servlet and JSP engine.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2023-24998, CVE-2023-41080, CVE-2023-42795, CVE-2023-44487, CVE-2023-45648
SHA-256 | f983a0a85802b2763746bf3bfa97b1786563f79ce2c2bd56f8c915338b5146ae
Debian Security Advisory 5521-1
Posted Oct 11, 2023
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5521-1 - Several security vulnerabilities have been discovered in the Tomcat servlet and JSP engine.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2023-28709, CVE-2023-41080, CVE-2023-42795, CVE-2023-44487, CVE-2023-45648
SHA-256 | b338488c5464d5bdd84d31ab4e0b256bea10aee07e761992644b89efd3034b56
Ubuntu Security Notice USN-6427-1
Posted Oct 11, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6427-1 - 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.

tags | advisory, remote, web, denial of service
systems | linux, ubuntu
advisories | CVE-2023-44487
SHA-256 | 7689d4259558d4e45f33a6faf11180ddaeb03a8f5d9bb8fd8ae758e09cb03af3
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