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Xen PV Guest Non-SELFSNOOP CPU Memory Corruption

On CPUs without SELFSNOOP support, a Xen PV domain that has access to a PCI device (which grants the domain the ability to set arbitrary cache attributes on all its pages) can trick Xen into validating an L2 pagetable that contains a cacheline that is marked as clean in the cache but actually differs from main memory. After the pagetable has been validated, an attacker can flush the "clean" cacheline, such that on the next load, unvalidated data from main memory shows up in the pagetable.

Packet Storm
#mac#google#linux#debian#auth
Red Hat Security Advisory 2022-5498-01

Red Hat Security Advisory 2022-5498-01 - Red Hat Satellite is a systems management tool for Linux-based infrastructure. It allows for provisioning, remote management, and monitoring of multiple Linux deployments with a single centralized tool. Issues addressed include HTTP request smuggling, buffer overflow, bypass, code execution, cross site scripting, denial of service, heap overflow, information leakage, privilege escalation, remote shell upload, remote SQL injection, and traversal vulnerabilities.

The Cyber-Asset Management Playbook for Supply Chain Modernization

Organizations must balance the risk and reward of new cyber-asset management technologies.

OpenSSL Releases Patch for High-Severity Bug that Could Lead to RCE Attacks

The maintainers of the OpenSSL project have released patches to address a high-severity bug in the cryptographic library that could potentially lead to remote code execution under certain scenarios. The issue, now assigned the identifier CVE-2022-2274, has been described as a case of heap memory corruption with RSA private key operation that was introduced in OpenSSL version 3.0.4 released on

Hackers Abusing BRc4 Red Team Penetration Tool in Attacks to Evade Detection

Malicious actors have been observed abusing legitimate adversary simulation software in their attacks in an attempt to stay under the radar and evade detection. Palo Alto Networks Unit 42 said a malware sample uploaded to the VirusTotal database on May 19, 2022, contained a payload associated with Brute Ratel C4, a relatively new sophisticated toolkit "designed to avoid detection by endpoint

CVE-2022-32383: Vuln/Tenda AC23.pdf at main · LuGakki/Vuln

Tenda AC23 v16.03.07.44 was discovered to contain a stack overflow via the AdvSetMacMtuWan function.

CVE-2022-32533: security - CVE-2022-32533: Apache Portals Jetspeed XSS, CSRF, SSRF, and XXE issues

** UNSUPPORTED WHEN ASSIGNED ** Apache Jetspeed-2 does not sufficiently filter untrusted user input by default leading to a number of issues including XSS, CSRF, XXE, and SSRF. Setting the configuration option "xss.filter.post = true" may mitigate these issues. NOTE: Apache Jetspeed is a dormant project of Apache Portals and no updates will be provided for this issue.

Protection Against Online Scams: How to Keep Your Credit Safe

By Owais Sultan Credit card fraud happens when someone steals your credit information and uses it to make purchases or borrow… This is a post from HackRead.com Read the original post: Protection Against Online Scams: How to Keep Your Credit Safe

Why Browser Vulnerabilities Are a Serious Threat — and How to Minimize Your Risk

As a result of browser market consolidation, adversaries can focus on uncovering vulnerabilities in just two main browser engines.