CVE-2023-34326

CVE-2023-34326 concerns AMD-Vi (IOMMU) caching invalidation. The AMD-Vi specification guides improper invalidation: if DTE fields are updated but the IOMMU TLB is not flushed, devices may cause stale DMA mappings. These mappings can reference memory ranges not owned by the guest, potentially expo...

CVE-2023-34326 x86/AMD: missing IOMMU TLB flushing

The caching invalidation guidelines from the AMD-Vi specification 48882—Rev 3.07-PUB—Oct 2022 is incorrect on some hardware, as devices will malfunction see stale DMA mappings if some fields of the DTE are updated but the IOMMU TLB is not flushed. Such stale DMA mappings can point to memory range...

CVE-2023-34326

The caching invalidation guidelines from the AMD-Vi specification 48882—Rev 3.07-PUB—Oct 2022 is incorrect on some hardware, as devices will malfunction see stale DMA mappings if some fields of the DTE are updated but the IOMMU TLB is not flushed. Such stale DMA mappings can point to memory range...

Saints Turned Evil

Saints Turned Evil By Sushant Kumar Arya, Daksh Kapur and Rohan Shah · January 02, 2024 Attribution at the Bottom As technology advances, attackers are constantly developing new evasion mechanisms to bypass security products and stay one step ahead of security vendors and their products. We have...

Joblib: Arbitrary Code Execution

Background Joblib is a set of tools to provide lightweight pipelining in Python. In particular: 1. transparent disk-caching of functions and lazy re-evaluation memoize pattern 2. easy simple parallel computing Joblib is optimized to be fast and robust on large data in particular and has specific...

Saints Turned Evil

Saints Turned Evil By Daksh Kapur and Rohan Shah · January 2, 2024 This blog was also written by Sushant Kumar Arya Attribution at the Bottom As technology advances, attackers are constantly developing new evasion mechanisms to bypass security products and stay one step ahead of security vendors...

[SECURITY] Fedora 39 Update: squid-6.6-1.fc39

Squid is a high-performance proxy caching server for Web clients, supporting FTP, gopher, and HTTP data objects. Unlike traditional caching software, Squid handles all requests in a single, non-blocking, I/O-driven process. Squid keeps meta data and especially hot objects cached in RAM, caches DN...

[SECURITY] Fedora 38 Update: squid-6.6-1.fc38

Squid is a high-performance proxy caching server for Web clients, supporting FTP, gopher, and HTTP data objects. Unlike traditional caching software, Squid handles all requests in a single, non-blocking, I/O-driven process. Squid keeps meta data and especially hot objects cached in RAM, caches DN...

Fedora: Security Advisory for squid (FEDORA-2023-6317eaa767)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Fedora: Security Advisory (FEDORA-2023-ab77331a34)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CVE-2023-52075

ReVanced API proxies requests needed to feed the ReVanced Manager and website with data. Up to and including commit 71f81f7f20cd26fd707335bca9838fa3e7df20d2, ReVanced API lacks error caching causing rate limit to be triggered thus increasing server load. This causes a denial of service for all...

Code injection

ReVanced API proxies requests needed to feed the ReVanced Manager and website with data. Up to and including commit 71f81f7f20cd26fd707335bca9838fa3e7df20d2, ReVanced API lacks error caching causing rate limit to be triggered thus increasing server load. This causes a denial of service for all...

CVE-2023-52075 ReVanced API vulnerable to Denial of Service due to lack of error caching

ReVanced API proxies requests needed to feed the ReVanced Manager and website with data. Up to and including commit 71f81f7f20cd26fd707335bca9838fa3e7df20d2, ReVanced API lacks error caching causing rate limit to be triggered thus increasing server load. This causes a denial of service for all...

CVE-2023-52075 ReVanced API vulnerable to Denial of Service due to lack of error caching

ReVanced API proxies requests needed to feed the ReVanced Manager and website with data. Up to and including commit 71f81f7f20cd26fd707335bca9838fa3e7df20d2, ReVanced API lacks error caching causing rate limit to be triggered thus increasing server load. This causes a denial of service for all...

CVE-2023-52075 ReVanced API vulnerable to Denial of Service due to lack of error caching

ReVanced API proxies requests needed to feed the ReVanced Manager and website with data. Up to and including commit 71f81f7f20cd26fd707335bca9838fa3e7df20d2, ReVanced API lacks error caching causing rate limit to be triggered thus increasing server load. This causes a denial of service for all...

CVE-2023-52075

The ReVanced API project is affected. The vulnerability stems from the ReVanced API proxy not implementing error caching, which allows repeated request rate limiting to trigger under normal load. As described across sources, this lack of error caching leads to increased server load and results in...

How Cache Purge Helps Keep Your Website Content Fresh and Responsive

Content Delivery Networks CDNs accelerate web traffic across the internet through servers residing in strategic locations known as points of presence or PoPs across the globe. Each PoP has a number of caching servers, each of which contains a cached version of your website or application. By...

PT-2023-31911 · Unknown · Revanced Api

Name of the Vulnerable Software and Affected Versions: ReVanced API versions up to and including commit 71f81f7f20cd26fd707335bca9838fa3e7df20d2 Description: The ReVanced API proxies requests to feed the ReVanced Manager and website with data. However, it lacks error caching, causing the rate lim...

ReVanced API Security Vulnerability

The ReVanced API is a simple API for proxying requests needed to provide data to ReVanced Manager and websites. A security vulnerability exists in ReVanced API 71f81f7f20cd26fd707335bca9838fa3e7df20d2 and prior versions, which stems from a lack of error caching, leading to the triggering of rate...

OESA-2023-1936 python-flask security update

Flask is a lightweight WSGI web application framework. It is designed to make getting started quick and easy, with the ability to scale up to complex applications. It began as a simple wrapper around Werkzeug and Jinja and has become one of the most popular Python web application frameworks...