kernel: incorrect restoration of machine specific registers from userspace

A flaw was found in the Linux kernel which could cause a kernel panic when restoring machine specific registers on the PowerPC platform. Incorrect transactional memory state registers could inadvertently change the call path on return from userspace and cause the kernel to enter an unknown state...

kernel: incorrect restoration of machine specific registers from userspace

A flaw was found in the Linux kernel which could cause a kernel panic when restoring machine specific registers on the PowerPC platform. Incorrect transactional memory state registers could inadvertently change the call path on return from userspace and cause the kernel to enter an unknown state...

Citrix XenServer Security Update for CVE-2016-7777 (CTX217363)

A security vulnerability has been identified in Citrix XenServer that may allow malicious user code within an HVM guest VM to read or modify the contents of certain registers belonging to other tasks within that same guest VM. SPDX-FileCopyrightText: 2016 Greenbone AG Some text descriptions might...

UBUNTU-CVE-2016-7777

Xen 4.7.x and earlier does not properly honor CR0.TS and CR0.EM, which allows local x86 HVM guest OS users to read or modify FPU, MMX, or XMM register state information belonging to arbitrary tasks on the guest by modifying an instruction while the hypervisor is preparing to emulate it...

AVS Audio Converter 8.2.1 - Buffer Overflow Vulnerability

Product & Service Introduction: =============================== AVS Audio Editor is an audio file editor of its primary function is for editing audio files. It is able to cut, join, combine or split audio files. All these operations are done with great precision to the hundredth of a second. You...

Microsoft WinDbg - logviewer.exe Crash (PoC)

Microsoft WinDbg - logviewer.exe Crash PoC + Credits: HYP3RLINX + Website: hyp3rlinx.altervista.org + Source: http://hyp3rlinx.altervista.org/advisories/MS-WINDBG-LOGVIEWER-BUFFER-OVERFLOW.txt + ISR: ApparitionSec Vendor: ================= www.microsoft.com Product: ==================== WinDbg...

Security update for qemu (important)

qemu was updated to fix 29 security issues. These security issues were fixed: - CVE-2016-4439: Avoid OOB access in 53C9X emulation bsc980711 - CVE-2016-4441: Avoid OOB access in 53C9X emulation bsc980723 - CVE-2016-4952: Avoid OOB access in Vmware PV SCSI emulation bsc981266 - CVE-2015-8817: Avoi...

FreeBSD : xen-tools -- QEMU: Banked access to VGA memory (VBE) uses inconsistent bounds checks (e6ce6f50-4212-11e6-942d-bc5ff45d0f28)

The Xen Project reports : Qemu VGA module allows banked access to video memory using the window at 0xa00000 and it supports different access modes with different address calculations. Qemu VGA module allows guest to edit certain registers in 'vbe' and 'vga' modes. A privileged guest user could us...

Linux/x86-64 - NetCat Bind Shell Shellcode (64 bytes)

include include // Exploit Title: NetCat Bind Shell 64bit 64byte // Date: 6/28/2016 // Exploit Author: CripSlick // Tested on: Kali 2.0 // Version: v1.10-41 // email protected // OffSec ID: OS-20614 // Victim: netstat -an | grep LISTEN | grep tcp // Attacker: nc unsigned char code = \ define PORT...

SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2016:1560-1)

qemu was updated to fix 37 security issues. These security issues were fixed : - CVE-2016-4439: Avoid OOB access in 53C9X emulation bsc980711 - CVE-2016-4441: Avoid OOB access in 53C9X emulation bsc980723 - CVE-2016-4952: Avoid OOB access in Vmware PV SCSI emulation bsc981266 - CVE-2015-8817: Avo...

iSQL 1.0 - isql_main.c Buffer Overflow (PoC)

Exploit for linux platform in category dos / poc !/bin/ruby Exploit Title: iSQLRL 1.0 - Buffer Overflowisqlmain.c Date: 2016-06-13 Exploit Author: HaHwul Exploit Author Blog: www.hahwul.com Vendor Homepage: https://github.com/roselone/iSQL Software Link:...

UBUNTU-CVE-2016-4454

The vmsvgafiforeadraw function in hw/display/vmwarevga.c in QEMU allows local guest OS administrators to obtain sensitive host memory information or cause a denial of service QEMU process crash by changing FIFO registers and issuing a VGA command, which triggers an out-of-bounds read...

Extensible Debugger UI For Hackers: Voltron

Voltron is an extensible debugger UI toolkit written in Python. It aims to improve the user experience of various debuggers LLDB, GDB, VDB and WinDbg by enabling the attachment of utility views that can retrieve and display data from the debugger host. By running these views in other TTYs, you ca...

DEBIAN-CVE-2016-3159

The fpufxrstor function in arch/x86/i387.c in Xen 4.x does not properly handle writes to the hardware FSW.ES bit when running on AMD64 processors, which allows local guest OS users to obtain sensitive register content information from another guest by leveraging pending exception and mask bits...

DEBIAN-CVE-2016-3158

The xrstor function in arch/x86/xstate.c in Xen 4.x does not properly handle writes to the hardware FSW.ES bit when running on AMD64 processors, which allows local guest OS users to obtain sensitive register content information from another guest by leveraging pending exception and mask bits. NOT...

UBUNTU-CVE-2016-3158

The xrstor function in arch/x86/xstate.c in Xen 4.x does not properly handle writes to the hardware FSW.ES bit when running on AMD64 processors, which allows local guest OS users to obtain sensitive register content information from another guest by leveraging pending exception and mask bits. NOT...

CVE-2015-8555

Xen 4.6.x, 4.5.x, 4.4.x, 4.3.x, and earlier do not initialize x86 FPU stack and XMM registers when XSAVE/XRSTOR are not used to manage guest extended register state, which allows local guest domains to obtain sensitive information from other domains via unspecified vectors...

CVE-2015-8555

Xen 4.6.x, 4.5.x, 4.4.x, 4.3.x, and earlier do not initialize x86 FPU stack and XMM registers when XSAVE/XRSTOR are not used to manage guest extended register state, which allows local guest domains to obtain sensitive information from other domains via unspecified vectors...

Fedora 22 : xen-4.5.2-7.fc22 (2016-e1784417af)

PV superpage functionality missing sanity checks XSA-167, CVE-2016-1570 VMX: intercept issue with INVLPG on non-canonical address XSA-168, CVE-2016-1571 Qemu: pci: NULL pointer dereference issue CVE-2015-7549 qemu: DoS by infinite loop in ehciadvancestate CVE-2015-8558 qemu: Heap-based buffer...

Fedora 23 : xen-4.5.2-7.fc23 (2016-2c15b72b01)

PV superpage functionality missing sanity checks XSA-167, CVE-2016-1570 VMX: intercept issue with INVLPG on non-canonical address XSA-168, CVE-2016-1571 Qemu: pci: NULL pointer dereference issue CVE-2015-7549 qemu: DoS by infinite loop in ehciadvancestate CVE-2015-8558 qemu: Heap-based buffer...