Understanding the performance impact of Spectre and Meltdown mitigations on Windows Systems

Last week the technology industry and many of our customers learned of new vulnerabilities in the hardware chips that power phones, PCs and servers. We and others in the industry had learned of this vulnerability under nondisclosure agreement several months ago and immediately began developing...

SA161: Local Information Disclosure Due to Meltdown and Spectre Attacks

SUMMARY Symantec Network Protection products, which run on an affected CPU chipset and execute arbitrary code from external sources, are susceptible to several information disclosure vulnerabilities aka Meltdown and Spectre attacks. A remote attacker, with the ability to execute arbitrary code...

SUSE SLES12 Security Update : kernel (SUSE-SU-2018:0031-1) (Meltdown) (Spectre)

The SUSE Linux Enterprise 12 SP1 LTSS kernel was updated to receive various security and bugfixes. This update adds mitigations for various side channel attacks against modern CPUs that could disclose content of otherwise unreadable memory bnc1068032. - CVE-2017-5753 / 'SpectreAttack': Local...

[SECURITY] [DLA 1232-1] linux security update

Package : linux Version : 3.2.96-3 CVE ID : CVE-2017-5754 CVE-2017-17558 CVE-2017-17741 CVE-2017-17805 CVE-2017-17806 CVE-2017-17807 Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. CVE-2017-5754...

Fixing the Meltdown and Spectre vulnerabilities

Two days ago, Graz University of Technology published a paper describing a pair of attacks on common microprocessors. The underlying vulnerability affects Intel, AMD, and ARM processors. All contemporary microprocessors pre-execute instructions. In other words, the vulnerability bypasses address...

SUSE-SU-2018:0010-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP3 kernel was updated to receive various security and bugfixes. This update adds mitigations for various side channel attacks against modern CPUs that could disclose content of otherwise unreadable memory bnc1068032. - CVE-2017-5753 / 'SpectreAttack': Local attackers...

Opera mitigates critical CPU vulnerabilities

Security Opera mitigates critical CPU vulnerabilities Share January 4th, 2018 There is a lot of uncertainty right now about the impact of the hardware security issue named Meltdown. There will be a scheduled release of Opera which will contain a first set of workarounds as soon as the browser is...

Spectre Vulnerability in CPU Processor Kernel

CPU hardware is a set of firmware that runs in the CPU Central Processing Unit to manage and control the CPU. The Spectre vulnerability exists in the CPU processor kernel, where an attacker can use a malicious application to gain access to private data that should be quarantined due to Intel's...

Huge Flaws Affect Nearly Every Modern Device; Patch Could Hit CPU Performance

UPDATE: Researchers have finally disclosed complete technical details of two kernel side-channel attacks, Meltdown and Spectre—which affect not only Intel but also systems and devices running AMD, ARM processors—allowing attackers to steal sensitive data from the system memory. The first week of...

Ubiquiti Inc.: Unrestricted File System Access via Twig Template Injection on dev-ucrm-billing-demo.ubnt.com

The researcher found a Local File inclusion vulnerability, this could be exploited by using Twig templates available on the system. This vulnerability only have the potential to affect dev-ucrm-billing-demo.ubnt.com, although is limited by the restricted environment docker with don't allow any...

Linux kernel access restriction bypass vulnerability

Linux kernel is the kernel used by Linux, the open source operating system released by the Linux Foundation in the United States. A security vulnerability exists in the net/netfilter/nfnetlinkcthelper.c file in Linux kernel 4.14.4 and earlier, which stems from the nfnlcthelperlist data structure...

Vulnerability in PAN-OS and Panorama on Management Interface

Through the exploitation of a combination of unrelated vulnerabilities, and via the management interface of the device, an attacker could remotely execute code on PAN-OS or Panorama in the context of the highest privileged user. Ref PAN-61094 / PAN-80990 / PAN-80993 / PAN-80994 / CVE-2017-15944...

Server-Side Request Forgery in PAN-OS

A vulnerability exists in the PAN-OS web interface in the configuration file import for applications, spyware and vulnerability objects. Exploitation of this vulnerability allows for the parsing of external entities and could lead a PAN-OS device to connect to and disclose limited information to...

The vulnerability of the Python script execution subsystem of the NX-OS network operating system allows a attacker to execute arbitrary commands on the underlying operating system.

The vulnerability of the Python script execution subsystem in the NX-OS network operating system is related to insufficient cleaning of user parameters used by certain Python functions in an isolated scripting environment. Exploiting this vulnerability allows a malicious actor to exit the isolate...

Vocran NVR Remote Command Execution

The remote Vocran network video recorder is affected by a remote command execution vulnerability due to improper sanitization of user-supplied input passed via /board.cgi. An unauthenticated remote attacker can exploit this, via a specially crafted URL, to execute arbitrary commands on the device...

Partner Perspectives: How to Quickly Automate a Response Playbook With Carbon Black

Editor's Note: This blog originally appeared on Red Canary's website. Outwardly, Red Canary appears to focus heavily on the “Detection” in Endpoint Detection and Response. Much of what we share addresses the need to understand the platforms that we defend, and techniques that can be applied to...

Making Microsoft Edge the most secure browser with Windows Defender Application Guard

Innovation in the attack space is constant as adversaries increase in both determination and sophistication. In response to increased investments in defense, attackers are adapting and improving tactics at breakneck speed. The good news is that defenders are also innovating and disrupting long...

Mac OS X 10.12 isolation mechanism bypass vulnerability

Vulnerability summary Mac OS X a vulnerability exists that could allow an attacker to bypass the Apple of the isolation mechanism, without any restrictions to execute arbitrary JavaScript code. Vulnerability submitter From WeAreSegment security researcher Filippo Cavallarin to Beyond Security SSD...

Over The Air - Vol. 2, Pt. 3: Exploiting The Wi-Fi Stack on Apple Devices

Posted by Gal Beniamini, Project Zero In this blog post we’ll complete our goal of achieving remote kernel code execution on the iPhone 7, by means of Wi-Fi communication alone. After developing a Wi-Fi firmware exploit in the previous blog post, we are left with the task of using our newly...

Optional Windows NTLM SSO authentication changes

Microsoft is releasing an optional security enhancement to NT LAN Manager NTLM, limiting which network resources various clients in the Windows 10 or the Windows Server 2016 operating systems can use NTLM Single Sign OnSSO as an authentication method. When you deploy the new security enhancement...