Mitigating speculative execution side channel hardware vulnerabilities

On January 3rd, 2018, Microsoft released an advisory and security updates related to a newly discovered class of hardware vulnerabilities involving speculative execution side channels known as Spectre and Meltdown that affect AMD, ARM, and Intel CPUs to varying degrees. If you haven’t had a chanc...

USN-3531-2: Intel Microcode regression

USN-3531-1 updated Intel microcode to the 20180108 release. Regressions were discovered in the microcode updates which could cause system instability on certain hardware platforms. At the request of Intel, we have reverted to the previous packaged microcode version, the 20170707 release. Original...

Updated microcode packages fix security vulnerabilities

This update provides microcode fixes and mitigations for Spectre CVE-2017-5715 for many Intel CPUs produced in the last 5 years. So far the Intel microcode updates are for several processors from the Haswell, Broadwell, Skylake, Kaby Lake, Coffee Lake, Gemini Lake, Apollo Lake, Crystal Well and I...

MGASA-2018-0079 Updated microcode packages fix security vulnerabilities

This update provides microcode fixes and mitigations for Spectre CVE-2017-5715 for many Intel CPUs produced in the last 5 years. So far the Intel microcode updates are for several processors from the Haswell, Broadwell, Skylake, Kaby Lake, Coffee Lake, Gemini Lake, Apollo Lake, Crystal Well and I...

Multiple CPUs - Information Leak Using Speculative Execution Exploit

Exploit for hardware platform in category dos / poc == INTRODUCTION == This is a bug report about a CPU security issue that affects processors by Intel, AMD and to some extent ARM. I have written a PoC for this issue that, when executed in userspace on an Intel Xeon CPU E5-1650 v3 machine with a...

Meltdown and Spectre Flaws Collateral Damage to OS & Cloud Services Unavoidable

By Waqas Meltdown and Spectre vulnerabilities haunting users and Tech Giants worldwide This is a post from HackRead.com Read the original post: Meltdown and Spectre Flaws Collateral Damage to OS Cloud Services Unavoidable...

Hashcat v4.0 - World's Fastest and Most Advanced Password Recovery Utility

hashcat is the world's fastest and most advanced password recovery utility, supporting five unique modes of attack for over 200 highly-optimized hashing algorithms. hashcat currently supports CPUs, GPUs, and other hardware accelerators on Linux, Windows, and OSX, and has facilities to help enable...

virtual PMU is unsupported

ISSUE DESCRIPTION The Virtual Performance Measurement Unit feature has been documented as unsupported, so far only on Intel CPUs. Further issues have been found or are suspected which would also or exclusively affect AMD CPUs. We believe that the functionality is mostly intended for non-productio...

RHEL 6 : kernel (RHSA-2014:1365)

Updated kernel packages that fix one security issue and several bugs are now available for Red Hat Enterprise Linux 6.4 Extended Update Support. Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System CVSS base score, which gives a...

Important: Red Hat Security Advisory: kernel security and bug fix update

Updated kernel packages that fix one security issue and several bugs are now available for Red Hat Enterprise Linux 6.4 Extended Update Support. Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System CVSS base score, which gives a...

Ubuntu: Security Advisory (USN-2079-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2014 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...

Ubuntu Update for openssl USN-2079-1

Check for the Version of openssl OpenVAS Vulnerability Test $Id: gbubuntuUSN20791.nasl 7957 2017-12-01 06:40:08Z santu $ Ubuntu Update for openssl USN-2079-1 Authors: System Generated Check Copyright: Copyright C 2014 Greenbone Networks GmbH, http://www.greenbone.net This program is free software...

Ubuntu 12.04 LTS / 12.10 / 13.04 / 13.10 : openssl vulnerabilities (USN-2079-1)

Anton Johansson discovered that OpenSSL incorrectly handled certain invalid TLS handshakes. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service. CVE-2013-4353 Ron Barber discovered that OpenSSL used an incorrect data structure to obtain a version...

USN-2079-1: OpenSSL vulnerabilities

Anton Johansson discovered that OpenSSL incorrectly handled certain invalid TLS handshakes. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service. CVE-2013-4353 Ron Barber discovered that OpenSSL used an incorrect data structure to obtain a version...

Debian DSA-2833-1 : openssl - several vulnerabilities

Multiple security issues have been fixed in OpenSSL: The TLS 1.2 support was susceptible to denial of service and retransmission of DTLS messages was fixed. In addition this update disables the insecure DualECDRBG algorithm which was unused anyway, see...

[SECURITY] [DSA 2833-1] openssl security update

------------------------------------------------------------------------- Debian Security Advisory DSA-2833-1 [email protected] http://www.debian.org/security/ Moritz Muehlenhoff January 01, 2014 http://www.debian.org/security/faq -...

Debian Security Advisory DSA 2833-1 (openssl - several vulnerabilities)

Multiple security issues have been fixed in OpenSSL: The TLS 1.2 support was susceptible to denial of service and retransmission of DTLS messages was fixed. In addition this update disables the insecure DualECDRBG algorithm which was unused anyway, see...

Information disclosure

Xen 3.1 through 4.x, when running 64-bit hosts on Intel CPUs, does not clear the NT flag when using an IRET after a SYSENTER instruction, which allows PV guest users to cause a denial of service hypervisor crash by triggering a GP fault, which is not properly handled by another IRET instruction...

CVE-2013-1917

Xen 3.1 through 4.x, when running 64-bit hosts on Intel CPUs, does not clear the NT flag when using an IRET after a SYSENTER instruction, which allows PV guest users to cause a denial of service hypervisor crash by triggering a GP fault, which is not properly handled by another IRET instruction...

CVE-2013-1917

Xen 3.1 through 4.x, when running 64-bit hosts on Intel CPUs, does not clear the NT flag when using an IRET after a SYSENTER instruction, which allows PV guest users to cause a denial of service hypervisor crash by triggering a GP fault, which is not properly handled by another IRET instruction...