USN-3641-2: Linux kernel vulnerabilities

USN-3641-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 17.10. This update provides the corresponding updates for Ubuntu 12.04 ESM. Nick Peterson discovered that the Linux kernel did not properly handle debug exceptions following a MOV/POP to SS...

Kernel: KVM: error in exception handling leads to wrong debug stack value

A flaw was found in the way the Linux kernel's KVM hypervisor handled exceptions delivered after a stack switch operation via Mov SS or Pop SS instructions. During the stack switch operation, the processor did not deliver interrupts and exceptions, rather they are delivered once the first...

USN-3641-1: Linux kernel vulnerabilities

Nick Peterson discovered that the Linux kernel did not properly handle debug exceptions following a MOV/POP to SS instruction. A local attacker could use this to cause a denial of service system crash. This issue only affected the amd64 architecture. CVE-2018-8897 Andy Lutomirski discovered that...

Hyper-V vSMB Remote Code Execution Vulnerability

A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate vSMB packet data. An attacker who successfully exploited these vulnerabilities could execute arbitrary code on a target operating system. To exploit these vulnerabilities, an attacker...

Trying Splunk Cloud

I first used Splunk over ten years ago, but the first time I blogged about it was in 2008. I described how to install Splunk on Ubuntu 8.04. Today I decided to try the Splunk Cloud. Splunk Cloud is the company's hosted Splunk offering, residing in Amazon Web Services AWS. You can register for a 1...

8 New Spectre-Class Vulnerabilities (Spectre-NG) Found in Intel CPUs

A team of security researchers has reportedly discovered a total of eight new "Spectre-class" vulnerabilities in Intel CPUs, which also affect at least a small number of ARM processors and may impact AMD processor architecture as well. Dubbed Spectre-Next Generation , or Spectre-NG , the partial...

RedHunt OS - Virtual Machine For Adversary Emulation And Threat Hunting

Virtual Machine for Adversary Emulation and Threat Hunting RedHunt aims to be a one stop shop for all your threat emulation and threat hunting needs by integrating attacker's arsenal as well as defender's toolkit to actively identify the threats in your environment. Base Machine: Lubuntu-17.10.1...

Mining of the virus through the Flash vulnerability propagation, a careful computer becomes mine machine-vulnerability warning-the black bar safety net

4 on 24 May, tinder the security team Alarm, the virus groups the use of Adobe Flash vulnerability propagation mining viruses. Virus gang the mining program implanted to the game download Station“52pk”, www.52pk.com when the user visits the website, the poison page to show after, without any...

CVE-2018-0238

A vulnerability in the role-based resource checking functionality of the Cisco Unified Computing System UCS Director could allow an authenticated, remote attacker to view unauthorized information for any virtual machine in the UCS Director end-user portal and perform any permitted operations on a...

CVE-2018-0238

CVE-2018-0238 affects Cisco UCS Director; an attacker can log in with a modified username and valid password to gain visibility into and perform actions on any VM in the end-user portal. Root cause: improper user authentication checks in role-based resource checking; impact includes information d...

Cisco UCS Director Virtual Machine Information Disclosure Vulnerability for End User Portal

A vulnerability in the role-based resource checking functionality of the Cisco Unified Computing System UCS Director could allow an authenticated, remote attacker to view unauthorized information for any virtual machine in the UCS Director end-user portal and perform any permitted operations on a...

Unspecified Vulnerability in Oracle Database Server (CNVD-2018-09081)

Oracle Database Server is an object-a relational database management system that provides an open, comprehensive, and integrated approach to information management. An unspecified vulnerability exists in the Java VM component of Oracle Database Server. An attacker could exploit this vulnerability...

Malware monitor - leveraging PyREBox for malware analysis

This post was authored by Xabier Ugarte Pedrero In July 2017 we released PyREBox, a Python Scriptable Reverse Engineering Sandbox as an open source tool. This project is part of our continuous effort to create new tools to improve our workflows. PyREBox is a versatile instrumentation framework...

Security update for libvirt (important)

This update for libvirt and virt-manager fixes the following issues: Security issues fixed: - CVE-2017-5715: Fixes for speculative side channel attacks aka "SpectreAttack" var2 bsc1079869. - CVE-2018-6764: Fixed guest executable code injection via libnssdns.so loaded by libvirtlxc before init...

Important: Red Hat Bug Fix Advisory: new packages: qemu-kvm-ma

New qemu-kvm-ma packages are now available for Red Hat Enterprise Linux 7. Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-ma packages provide the user-space component for running virtual machines that use KVM on the IBM z...

Apache JMeter RMI Code Execution PoC (CVE-2018-1297)

PenTestIT RSS Feed Recently, I read about a remote code execution RCE vulnerability; CVE-2018-1297, that affects yet another Apache product - JMeter. As you might know, "The Apache JMeter™ application is open source software, a 100% pure Java application designed to load test functional behavior...

libvirt Denial of Service Vulnerability (CNVD-2018-08189)

Red Hat libvirt is a Linux API for implementing Linux virtualization features from Red Hat, Inc. It supports a variety of Hypervisors, including Xen and KVM, as well as QEMU and a number of virtual products for other operating systems. A security vulnerability exists in versions prior to Red Hat...

SUSE-SU-2018:0743-1 Security update for java-1_7_1-ibm

This update for java-171-ibm fixes the following issue: The version was updated to 7.1.4.20 bsc1082810 Security fixes: - CVE-2018-2633 CVE-2018-2637 CVE-2018-2634 CVE-2018-2582 CVE-2018-2641 CVE-2018-2618 CVE-2018-2657 CVE-2018-2603 CVE-2018-2599 CVE-2018-2602 CVE-2018-2678 CVE-2018-2677...

SUSE-SU-2018:0694-1 Security update for java-1_7_1-ibm

This update for java-171-ibm fixes the following issues: The version was updated to 7.1.4.20 bsc1082810 Security fixes: - CVE-2018-2633 CVE-2018-2637 CVE-2018-2634 CVE-2018-2582 CVE-2018-2641 CVE-2018-2618 CVE-2018-2657 CVE-2018-2603 CVE-2018-2599 CVE-2018-2602 CVE-2018-2678 CVE-2018-2677...

JDK: J9 JVM allows untrusted code running under a security manager to elevate its privileges

Under certain circumstances, a flaw in the J9 JVM IBM SDK, Java Technology Edition 7.1 and 8.0 allows untrusted code running under a security manager to elevate its privileges. IBM X-Force ID: 138823...