MS15-080: Description of the security update for Silverlight 5: August 11, 2015

MS15-080: Description of the security update for Silverlight 5: August 11, 2015 Summary This security update resolves vulnerabilities in the Microsoft .NET Framework and Microsoft Silverlight. These vulnerabilities could allow remote code execution if a user opens a specially crafted document or...

openSUSE: Security Advisory for xen (openSUSE-SU-2017:0008-1)

The remote host is missing an update for the Copyright C 2017 Greenbone Networks GmbH 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-or-later This program is free software; you can...

icoutils -- check_offset overflow on 64-bit systems

Choongwoo Han reports: An exploitable crash exists in the wrestool utility on 64-bit systems where the result of subtracting two pointers exceeds the size of int...

CVE-2016-10164

Multiple integer overflows in libXpm before 3.5.12, when a program requests parsing XPM extensions on a 64-bit platform, allow remote attackers to cause a denial of service out-of-bounds write or execute arbitrary code via 1 the number of extensions or 2 their concatenated length in a crafted XPM...

OracleVM 3.3 : Unbreakable / etc (OVMSA-2016-0180)

The remote OracleVM system is missing necessary patches to address critical security updates : - x86/iopl/64: properly context-switch IOPL on Xen PV Andy Lutomirski Orabug: 25269176 CVE-2016-3157 CVE-2016-3157 - net: Fix use after free in the recvmmsg exit path Arnaldo Carvalho de Melo Orabug:...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2016-3656)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2016-3656 advisory. - x86/iopl/64: properly context-switch IOPL on Xen PV Andy Lutomirski Orabug: 25269176 CVE-2016-3157 CVE-2016-3157 Tenable has extracted the...

Unbreakable Enterprise kernel security update

2.6.39-400.293.2 - x86/iopl/64: properly context-switch IOPL on Xen PV Andy Lutomirski Orabug: 25269184 CVE-2016-3157 - net: Fix use after free in the recvmmsg exit path Arnaldo Carvalho de Melo Orabug: 25298618 CVE-2016-7117...

x86: Mishandling of SYSCALL singlestep during emulation

ISSUE DESCRIPTION The typical behaviour of singlestepping exceptions is determined at the start of the instruction, with a DB trap being raised at the end of the instruction. SYSCALL and SYSRET, although we don't implement it behave differently because the typical behaviour allows userspace to...

OsiriX DICOM Viewer 8.0.1 - Memory Corruption

OsiriX DICOM Viewer 8.0.1 - Memory Corruption !/usr/bin/env python -- coding: utf8 -- OsiriX DICOM Viewer 8.0.1 dulparse.cc Remote Memory Corruption Vulnerability Vendor: Pixmeo Sarl Product web page: http://www.osirix-viewer.com Affected version: OsiriX 8.0.1 Summary: With high performance and a...

CVE-2016-6845

An issue was discovered in Open-Xchange OX App Suite before 7.8.2-rev8. Script code within hyperlinks at HTML E-Mails is not getting correctly sanitized when using base64 encoded "data" resources. This allows an attacker to provide hyperlinks that may execute script code instead of directing to a...

Debian DSA-3729-1 : xen - security update

Multiple vulnerabilities have been discovered in the Xen hypervisor. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2016-7777 XSA-190 Jan Beulich from SUSE discovered that Xen does not properly honor CR0.TS and CR0.EM for x86 HVM guests, potentially...

Linux Kernel 4.4.0 (Ubuntu 14.04/16.04 x86-64) - 'AF_PACKET' Race Condition Privilege Escalation

/ chocoboroot.c linux AFPACKET race condition exploit exploit for Ubuntu 16.04 x8664 vroom vroom ============================== user@ubuntu:$ uname -a Linux ubuntu 4.4.0-51-generic 72-Ubuntu SMP Thu Nov 24 18:29:54 UTC 2016 x8664 x8664 x8664 GNU/Linux user@ubuntu:$ id uid=1000user gid=1000user...

Microsoft Edge - CBase­Scriptable::Private­Query­Interface Memory Corruption (MS16-068) Vulnerabilit

Exploit for windows platform in category dos / poc Source: http://blog.skylined.nl/20161205001.html Synopsis A specially crafted web-page can trigger a memory corruption vulnerability in Microsoft Edge. I did not investigate this vulnerability thoroughly, so I cannot speculate on the potential...

openSUSE Security Update : phpMyAdmin (openSUSE-2016-1406)

This update to phpMyAdmin 4.4.15.9 fixes security issues and bugs. The following security issues were fixed : - Unsafe generation of $cfg'blowfishsecret' PMASA-2016-58 - phpMyAdmin's phpinfo functionality is removed PMASA-2016-59 - AllowRoot and allow/deny rule bypass with specially crafted...

Fedora 24 : xen (2016-95c104a4c6)

xen : various security flaws 1397383 x86 null segments not always treated as unusable XSA-191, CVE-2016-9386 x86 task switch to VM86 mode mis-handled XSA-192, CVE-2016-9382 x86 segment base write emulation lacking canonical address checks XSA-193, CVE-2016-9385 x86 64-bit bit test instruction...

Linux/x86-64 - /bin/sh -c reboot Shellcode (89 bytes)

Name: "Linux reboot bin/sh -c reboot shellcode" 89 bytes Platform: Linux 32 and 64 bit Author: Ashiyane Digital Security Team MALWaRE43 Contact: usertester123546 at gmail.com Tested on: Linux javadkhof 4.4.0-47-generic 68-Ubuntu SMP Wed Oct 26 19:39:52 UTC 2016 x8664 x8664 x8664 GNU/Linux Linux...

CVE-2016-9383

Xen, when running on a 64-bit hypervisor, allows local x86 guest OS users to modify arbitrary memory and consequently obtain sensitive information, cause a denial of service host crash, or execute arbitrary code on the host by leveraging broken emulation of bit test instructions...

xen-kernel -- x86 null segments not always treated as unusable

The Xen Project reports: The Xen x86 emulator erroneously failed to consider the unusability of segments when performing memory accesses. The intended behaviour is as follows: The user data segment %ds, %es, %fs and %gs selectors may be NULL in 32-bit to prevent access. In 64-bit, NULL has a...

Linux/x86-64 - /bin/sh -c reboot Shellcode (89 bytes)

Linux/x86-64 - /bin/sh -c reboot Shellcode 89 bytes. Shellcode exploit for Linx86-64 platform Name: "Linux reboot bin/sh -c reboot shellcode" 89 bytes Platform: Linux 32 and 64 bit Author: Ashiyane Digital Security Team MALWaRE43 Contact: usertester123546 at gmail.com Tested on: Linux javadkhof...

xen-kernel -- x86 64-bit bit test instruction emulation broken

The Xen Project reports: The x86 instructions BT, BTC, BTR, and BTS, when used with a destination memory operand and a source register rather than an immediate operand, access a memory location offset from that specified by the memory operand as specified by the high bits of the register source. ...