CVE-2016-6258

The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries...

CVE-2016-6259

CVE-2016-6259 affects Xen 4.5.x–4.7.x where SMAP whitelisting is not implemented for 32-bit exception/event delivery. This enables local 32-bit PV guests to trigger a safety check that can crash the hypervisor or VMs (DoS). The root cause is missing Supervisor Mode Access Prevention whitelisting ...

CVE-2016-6259

Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention SMAP whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service hypervisor and VM crash by triggering a safety check...

bit.cards XSS vulnerability

Vulnerable URL: https://bit.cards/password-recovery Details: Description| Value ---|--- Patched:| No Latest check for patch:| 27.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 9219222 VIP website status:| No Check bit.cards SSL connection:| Grade: A+...

FreeBSD : xen-kernel -- x86: Missing SMAP whitelisting in 32-bit exception / event delivery (04cf89e3-5854-11e6-b334-002590263bf5)

The Xen Project reports : Supervisor Mode Access Prevention is a hardware feature designed to make an Operating System more robust, by raising a pagefault rather than accidentally following a pointer into userspace. However, legitimate accesses into userspace require whitelisting, and the excepti...

PT-2016-6810

Name of the Vulnerable Software and Affected Versions Xen versions 4.5.x through 4.7.x Description The issue allows local 32-bit PV guest OS kernels to cause a denial of service, resulting in a hypervisor and VM crash, by triggering a safety check due to the lack of Supervisor Mode Access...

CVE-2016-6258: Improper Access Control

The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries...

CVE-2016-6259: Improper Input Validation

Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention SMAP whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service hypervisor and VM crash by triggering a safety check...

Debian DLA-571-1 : xen security update (Bunker Buster)

Multiple vulnerabilities have been discovered in the Xen hypervisor. The Common Vulnerabilities and Exposures project identifies the following problems : CVE-2014-3672 XSA-180 Andrew Sorensen discovered that a HVM domain can exhaust the hosts disk space by filling up the log file. CVE-2016-3158,...

WebKit - TypedArray.fill Memory Corruption

WebKit - TypedArray.fill Memory Corruption length; unsigned begin = argumentClampedIndexFromStartOrEndexec, 1, length; unsigned end = argumentClampedIndexFromStartOrEndexec, 2, length, length; if end thisValue; if !thisObject-setRangeToValueexec, begin, end, valueToInsert return...

WebKit - TypedArray.fill Memory Corruption

length; unsigned begin = argumentClampedIndexFromStartOrEndexec, 1, length; unsigned end = argumentClampedIndexFromStartOrEndexec, 2, length, length; if end thisValue; if !thisObject-setRangeToValueexec, begin, end, valueToInsert return JSValue::encodejsUndefined; argumentClampedIndexFromStartOrE...

Xen Denial of Service Vulnerability (CNVD-2016-05534)

Xen is an open source virtual machine monitor product developed at the University of Cambridge in the United Kingdom. Xen has a denial-of-service vulnerability, which can be exploited by an attacker using a PV-mode x86 32-bit hardware platform to trigger a security check that will cause the VM...

x86: Missing SMAP whitelisting in 32-bit exception / event delivery

ISSUE DESCRIPTION Supervisor Mode Access Prevention is a hardware feature designed to make an Operating System more robust, by raising a pagefault rather than accidentally following a pointer into userspace. However, legitimate accesses into userspace require whitelisting, and the exception...

xen-kernel -- x86: Missing SMAP whitelisting in 32-bit exception / event delivery

The Xen Project reports: Supervisor Mode Access Prevention is a hardware feature designed to make an Operating System more robust, by raising a pagefault rather than accidentally following a pointer into userspace. However, legitimate accesses into userspace require whitelisting, and the exceptio...

Juniper Junos Crafted UDP Packet Handling DoS (JSA10758)

According to its self-reported version number and architecture, the remote Juniper Junos device is affected by a denial of service vulnerability in the 64-bit routing engine. An unauthenticated, remote attacker can exploit this, via a specially crafted UDP packet sent to an interface IP address, ...

libpng: Buffer overflow vulnerabilities in png_get_PLTE/png_set_PLTE functions

It was discovered that the pnggetPLTE and pngsetPLTE functions of libpng did not correctly calculate the maximum palette sizes for bit depths of less than 8. In case an application tried to use these functions in combination with properly calculated palette sizes, this could lead to a buffer...

libpng: Buffer overflow vulnerabilities in png_get_PLTE/png_set_PLTE functions

It was discovered that the pnggetPLTE and pngsetPLTE functions of libpng did not correctly calculate the maximum palette sizes for bit depths of less than 8. In case an application tried to use these functions in combination with properly calculated palette sizes, this could lead to a buffer...

Fedora 24 : xen (2016-5d5a8bfbc5)

xen no longer crashes when built without -fno-tree-coalesce-vars, in systemd only try to load kernel modules that are in Fedora, x86 software guest page walk PS bit handling flaw XSA-176, CVE-2016-4480 Note that Tenable Network Security has extracted the preceding description block directly from...

Juniper Networks Junos OS UDP Kernel Crash Vulnerability

Junos OS is prone to a kernel crash vulnerability. SPDX-FileCopyrightText: 2016 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 CPE = "cpe:/o:juniper:junos"; if description...

Linux/x86 - Reverse Shell using Xterm ///usr/bin/xterm -display 127.1.1.1:10 Shellcode (68 bytes)

/ Title : Linux , Reverse Shell using Xterm , ///usr/bin/xterm -display 127.1.1.1:10 Date : 12-07-2016 Author : RTV Tested On : Ubuntu x86 shellcode :...