#dos

Ubuntu Security Notice 5442-2 - Kyle Zeng discovered that the Network Queuing and Scheduling subsystem of the Linux kernel did not properly perform reference counting in some situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or execute arbitrary code. Bing-Jhong Billy Jheng discovered that the io_uring subsystem in the Linux kernel contained in integer overflow. A local attacker could use this to cause a denial of service or execute arbitrary code.

We failed to apply the fix for CVE-2022-30126 to the 1.x branch in the 1.28.2 release. In Apache Tika, a regular expression in the StandardsText class, used by the StandardsExtractingContentHandler could lead to a denial of service caused by backtracking on a specially crafted file. This only affects users who are running the StandardsExtractingContentHandler, which is a non-standard handler. This is fixed in 1.28.3.

Vapor is an HTTP web framework for Swift. Users of Vapor prior to version 4.60.3 with FileMiddleware enabled are vulnerable to an integer overflow vulnerability that can crash the application. Version 4.60.3 contains a patch for this issue. As a workaround, disable FileMiddleware and serve via a Content Delivery Network.

New research finds a rise in TCP acknowledgement (ACK) DDoS attacks, which rely on a smaller amount of traffic to disrupt targets.

Ubuntu Security Notice 5454-1 - Joshua Mason discovered that CUPS incorrectly handled the secret key used to access the administrative web interface. A remote attacker could possibly use this issue to open a session as an administrator and execute arbitrary code. It was discovered that CUPS incorrectly handled certain memory operations when handling IPP printing. A remote attacker could possibly use this issue to cause CUPS to crash, leading to a denial of service, or obtain sensitive information. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.

Red Hat Security Advisory 2022-4814-01 - The Migration Toolkit for Containers enables you to migrate Kubernetes resources, persistent volume data, and internal container images between OpenShift Container Platform clusters, using the MTC web console or the Kubernetes API. Issues addressed include denial of service and memory exhaustion vulnerabilities.

Red Hat Security Advisory 2022-2280-01 - 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 3.11.705. Issues addressed include cross site scripting and denial of service vulnerabilities.

Ubuntu Security Notice 5446-2 - USN-5446-1 fixed a vulnerability in dpkg. This update provides the corresponding update for Ubuntu 16.04 ESM. Max Justicz discovered that dpkg incorrectly handled unpacking certain source packages. If a user or an automated system were tricked into unpacking a specially crafted source package, a remote attacker could modify files outside the target unpack directory, leading to a denial of service or potentially gaining access to the system.

Ubuntu Security Notice 5453-1 - It was discovered that FreeType incorrectly handled certain font files. An attacker could possibly use this issue to cause a denial of service.

We failed to apply the fix for CVE-2022-30126 to the 1.x branch in the 1.28.2 release. In Apache Tika, a regular expression in the StandardsText class, used by the StandardsExtractingContentHandler could lead to a denial of service caused by backtracking on a specially crafted file. This only affects users who are running the StandardsExtractingContentHandler, which is a non-standard handler. This is fixed in 1.28.3.