CVE-2023-46835

The current setup of the quarantine page tables assumes that the quarantine domain domio has been initialized with an address width of DEFAULTDOMAINADDRESSWIDTH 48 and hence 4 page table levels. However domio being a PV domain gets the AMD-Vi IOMMU page tables levels based on the maximum hot...

CVE-2023-46835

CVE-2023-46835 affects Xen on x86/AMD with a mismatch in IOMMU quarantine page table levels. The quarantine domain (dom_io) expects 4 page table levels (DEFAULT_DOMAIN_ADDRESS_WIDTH 48), but on PV domains the AMD-Vi IOMMU page tables can be configured with only 3 levels for RAM up to 512 GB. Cons...

Xen: x86/AMD: Mismatch in IOMMU Quarantine Page Table Levels (XSA-445)

The current setup of quarantine page tables assumes that there are 4 page table levels, however the AMD-Vi IOMMU is configured with 3 page table levels for systems without RAM above the 512 GB boundary. Due to this level mismatch, the sink page the device gets read/write access to is no longer...

Wallarm to Unveil New API Security Solution and Strategic Shift at Black Hat Europe 2023

If you're involved with cybersecurity and are based in Europe, then Black Hat Europe 2023 in London, December 6 and 7 is a must-attend event. Wallarm, the experts in API and Application Security, will be attending the event, and we're excited to connect with you. If you are planning to attend, co...

How to Handle Retail SaaS Security on Cyber Monday

If forecasters are right, over the course of today, consumers will spend $13.7 billion. Just about every click, sale, and engagement will be captured by a CRM platform. Inventory applications will trigger automated re-orders; communication tools will send automated email and text messages...

CVE-2023-46355

In the module "CSV Feeds PRO" csvfeeds 2.6.1 from Bl Modules for PrestaShop, a guest can download personal information without restriction. Due to too permissive access control which does not force administrator to use password on feeds, a guest can access exports from the module which can lead t...

x86/AMD: mismatch in IOMMU quarantine page table levels

ISSUE DESCRIPTION The current setup of the quarantine page tables assumes that the quarantine domain domio has been initialized with an address width of DEFAULTDOMAINADDRESSWIDTH 48 and hence 4 page table levels. However domio being a PV domain gets the AMD-Vi IOMMU page tables levels based on th...

PT-2023-7266 · Xen +2 · Xen +2

Name of the Vulnerable Software and Affected Versions: Xen affected versions not specified Description: The issue arises from a mismatch in the IOMMU quarantine page table levels. On systems with no RAM above the 512GB mark, only 3 page-table levels are configured in the IOMMU, while the quaranti...

Fedora 39 : firefox (2023-c92eb29264)

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-c92eb29264 advisory. - New upstream version 117.0 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has...

Rocky Linux 8 : kernel (RLSA-2023:0101)

The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2023:0101 advisory. - A flaw was found in the Linux kernel's driver for the ASIX AX88179178A-based USB 2.0/3.0 Gigabit Ethernet Devices. The vulnerability contains multiple...

Rocky Linux 8 : kernel-rt (RLSA-2023:0114)

The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2023:0114 advisory. - A flaw was found in the Linux kernel's driver for the ASIX AX88179178A-based USB 2.0/3.0 Gigabit Ethernet Devices. The vulnerability contains multiple...

Medium: mutt

Issue Overview: A flaw was found in mutt. When reading unencoded messages, mutt uses the line length from the untrusted input without any validation. This flaw allows an attacker to craft a malicious message, which leads to an out-of-bounds read, causing data leaks that include fragments of other...

In-Depth Analysis of AvosLocker Ransomware

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary AvosLocker also known as Avos, is a ransomware-as-a-service that targets critical infrastructure organizations, primarily in the US, and has expanded to target both Windows and Linux systems. Its...

Important: postgresql

Issue Overview: A flaw was found in postgresql. While modifying certain SQL array values, missing bounds checks let authenticated database users write arbitrary bytes to a wide area of server memory. The highest threat from this vulnerability is to data confidentiality and integrity as well as...

Security Vulnerabilities fixed in Thunderbird 115.2 — Mozilla

When receiving rendering data over IPC mStream could have been destroyed when initialized, which could have led to a use-after-free causing a potentially exploitable crash. When creating a callback over IPC for showing the Color Picker window, multiple of the same callbacks could have been create...

MGASA-2023-0244 Updated microcode packages fix security vulnerability

Under specific microarchitectural circumstances, a register in "Zen 2" CPUs may not be written to 0 correctly. This may cause data from another process and/or thread to be stored in the YMM register, which may allow an attacker to potentially access sensitive information CVE-2023-20593, also know...

API Security in 2023: Major Insights from Postman’s State of the API Report

📣 Good news for all tech enthusiasts! The highly anticipated 2023 State of the API Report, conducted by Postman - one of the leading dev tools for building APIs, is now available. This comprehensive report, produced annually, is backed by an extensive survey and offers a deep dive into the...

Mozilla: Possibility of Deface through translation tool - www.mozilla.com

A vulnerability was discovered where credentials for a third-party translation tool used by Mozilla websites were publicly disclosed. This exposed access to translation management functions and internal documents. The issue was reported and it was advised that the disclosed passwords be changed t...

Secrets, Secrets Are No Fun. Secrets, Secrets (Stored in Plain Text Files) Hurt Someone

Secrets are meant to be hidden or, at the very least, only known to a specific and limited set of individuals or systems. Otherwise, they aren't really secrets. In personal life, a secret revealed can damage relationships, lead to social stigma, or, at the very least, be embarrassing. In a...

PT-2023-3677

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the init cea offsets function in the /arch/x86/mm/cpu entry area.c module of the Linux kernel's memory management subsystem. It concerns the accessibility of the...