x86 shadow: Insufficient TLB flushing when using PCID

ISSUE DESCRIPTION Use of Process Context Identifiers PCID was introduced into Xen in order to improve performance after XSA-254 and in particular its Meltdown sub-issue. This enablement implied changes to the TLB flushing logic. One aspect which was overlooked is the safety of switching between...

CVE-2018-18493

A buffer overflow can occur in the Skia library during buffer offset calculations with hardware accelerated canvas 2D actions due to the use of 32-bit calculations instead of 64-bit. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 60.4, Firefox ESR 60.4, an...

WinRAR 5.61 - (.lng) Denial of Service Exploit

Exploit Title: WinRAR 5.61 - Denial of Service Author: Kağan Çapar Software Link: https://win-rar.com/predownload.html?spV=true&subD=true&f=wrar561tr.exe Vendor Homepage : https://www.win-rar.com Tested Version: 5.61 32 Bit Tested on OS: Windows 10 Education 64 Bit Steps to Reproduce: Run perl...

MaxxAudio Drivers WavesSysSvc64.exe 1.6.2.0 - Local Privilege Escalation

MaxxAudio Drivers WavesSysSvc64.exe 1.6.2.0 - Local Privilege Escalation Exploit Title: MaxxAudio Drivers WavesSysSvc64.exe File Permissions SYSTEM Privilege Escalation Google Dork: Date: 2/18/2019 Exploit Author: Mike Siegel @mlsiegel Vendor Homepage: https://maxx.com Software Link: Version:...

MaxxAudio Drivers WavesSysSvc64.exe 1.6.2.0 - Local Privilege Escalation

Exploit Title: MaxxAudio Drivers WavesSysSvc64.exe File Permissions SYSTEM Privilege Escalation Google Dork: Date: 2/18/2019 Exploit Author: Mike Siegel @mlsiegel Vendor Homepage: https://maxx.com Software Link: Version: 1.6.2.0 May affect other versions Tested on: Win 10 64 bit CVE :...

Security Update for Microsoft Excel 2016 (KB4462115) 64-Bit Edition

A security vulnerability exists in Microsoft Excel 2016 64-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability...

Security Update for Microsoft Excel 2013 (KB4461597) 64-Bit Edition

A security vulnerability exists in Microsoft Excel 2013 64-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability...

CVE-2019-6988

An issue was discovered in OpenJPEG 2.3.0. It allows remote attackers to cause a denial of service attempted excessive memory allocation in opjcalloc in openjp2/opjmalloc.c, when called from opjtcdinittile in openjp2/tcd.c, as demonstrated by the 64-bit opjdecompress...

Mozilla: Buffer overflow in accelerated 2D canvas with Skia

A buffer overflow can occur in the Skia library during buffer offset calculations with hardware accelerated canvas 2D actions due to the use of 32-bit calculations instead of 64-bit. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 60.4, Firefox ESR 60.4, an...

CVE-2019-6488

The string component in the GNU C Library aka glibc or libc6 through 2.28, when running on the x32 architecture, incorrectly attempts to use a 64-bit register for sizet in assembly codes, which can lead to a segmentation fault or possibly unspecified other impact, as demonstrated by a crash in...

Security Update for Microsoft Office 2013 (KB4461537) 64-Bit Edition

A security vulnerability exists in Microsoft Office 2013 64-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability...

EZ CD Audio Converter 8.0.7 - Denial of Service Exploit

Exploit Title: EZ CD Audio Converter Date: 30-12-2018 Vendor Homepage: https://www.poikosoft.com/ Software Link : https://download.poikosoft.com/ezcdaudioconvertersetupx64.exe Exploit Author: Achilles Tested Version: 8.0.7 64-bit Tested on: Windows 7 x64 Vulnerability Type: Denial of Service DoS...

Microsoft Windows Latest Servicing Stack Updates-Defense in Depth (KB4470788)

This host is missing an important security update according to Microsoft KB4470788. SPDX-FileCopyrightText: 2018 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 ifdescripti...

LanSpy 2.0.1.159 - Local Buffer Overflow

!/usr/bin/python ------------------------------------------------------------------------------------------------------------------------------------ Exploit: LanSpy 2.0.1.159 - Local Buffer Overflow RCEPoC Date: 2018-12-16 Author: Juan Prescotto Tested Against: Win7 Pro SP1 64 bit Software...

CVE-2018-19965

An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service host OS crash because GP0 can occur after a non-canonical address is passed to the TLB flushing code. NOTE: this issue exists because of an incorrect CVE-2017-5754 aka Meltdown mitigation...

Xen Project INVPCID with Non-Canonical Addresses DoS (XSA-279)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a guest-to-host denial of service vulnerability. An attacker located on a guest virtual machine may be able to exploit this vulnerability to affect the availability of the host system. On...

Security Update for Microsoft Outlook 2016 (KB4461544) 64-Bit Edition

A security vulnerability exists in Microsoft Outlook 2016 64-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability...

Microsoft PowerPoint CVE-2018-8628 Remote Code Execution Vulnerability

Description Microsoft PowerPoint is prone to a remote code-execution vulnerability. An attacker can leverage this issue to execute arbitrary code in the context of the currently logged-in user. Failed exploit attempts will likely result in denial of service conditions. Technologies Affected...

CVE-2018-18493

A buffer overflow can occur in the Skia library during buffer offset calculations with hardware accelerated canvas 2D actions due to the use of 32-bit calculations instead of 64-bit. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 60.4, Firefox ESR 60.4, an...

CVE-2018-19965

An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service host OS crash because GP0 can occur after a non-canonical address is passed to the TLB flushing code. NOTE: this issue exists because of an incorrect CVE-2017-5754 aka Meltdown mitigation...