Medium: kernel

Issue Overview: The ExecShield feature does not properly handle use of many shared libraries by a 32-bit executable file, which makes it easier for context-dependent attackers to bypass the ASLR protection mechanism by leveraging a predictable base address for one of these libraries. Affected...

CVE-2012-1845

Use-after-free vulnerability in Google Chrome 17.0.963.66 and earlier allows remote attackers to bypass the DEP and ASLR protection mechanisms, and execute arbitrary code, via unspecified vectors, as demonstrated by VUPEN during a Pwn2Own competition at CanSecWest 2012. NOTE: the primary affected...

CVE-2012-1845

Use-after-free vulnerability in Google Chrome 17.0.963.66 and earlier allows remote attackers to bypass the DEP and ASLR protection mechanisms, and execute arbitrary code, via unspecified vectors, as demonstrated by VUPEN during a Pwn2Own competition at CanSecWest 2012. NOTE: the primary affected...

Design/Logic Flaw

Use-after-free vulnerability in Google Chrome 17.0.963.66 and earlier allows remote attackers to bypass the DEP and ASLR protection mechanisms, and execute arbitrary code, via unspecified vectors, as demonstrated by VUPEN during a Pwn2Own competition at CanSecWest 2012. NOTE: the primary affected...

CVE-2012-1845

Use-after-free vulnerability in Google Chrome 17.0.963.66 and earlier allows remote attackers to bypass the DEP and ASLR protection mechanisms, and execute arbitrary code, via unspecified vectors, as demonstrated by VUPEN during a Pwn2Own competition at CanSecWest 2012. NOTE: the primary affected...

CVE-2012-1845

CVE-2012-1845 is a use-after-free vulnerability in Google Chrome (affected versions 17.0.963.66 and earlier) that allowed remote code execution by bypassing DEP/ASLR. The issue was demonstrated by VUPEN at Pwn2Own (CanSecWest 2012). Connected sources also reference Chrome sandbox-escape/code-exec...

CVE-2012-1845: Use After Free

Use-after-free vulnerability in Google Chrome 17.0.963.66 and earlier allows remote attackers to bypass the DEP and ASLR protection mechanisms, and execute arbitrary code, via unspecified vectors, as demonstrated by VUPEN during a Pwn2Own competition at CanSecWest 2012. NOTE: the primary affected...

Ryan Naraine on Exploit Mitigations and the MS12-020 RDP Bug

Dennis Fisher talks with Ryan Naraine about whether exploit mitigations such as ASLR and DEP really make any difference in preventing browser attacks and the seriousness of the MS12-020 RDP vulnerability that was patched during March’s Patch Tuesday release. Podcast audio courtesy of sykboy65...

VLC MMS Stream Handling Buffer Overflow

This module exploits a buffer overflow in VLC media player VLC media player prior to 2.0.0. The vulnerability is due to a dangerous use of sprintf which can result in a stack buffer overflow when handling a malicious MMS URI. This module uses the browser as attack vector. A specially crafted MMS...

Microsoft adds Enhanced Memory Protections in IE10

Microsoft adds Enhanced Memory Protections in IE10 Internet Explorer 10, the next version of the popular browser from Microsoft will incorporate new protections in terms of memory management. French security firm VUPEN has managed to hack Microsoft's Internet Explorer 9 on a fully patched Windows...

Microsoft Adds New Exploit Mitigations to IE 10

Windows 8 is still off on the horizon somewhere, but the new version of Internet Explorer that’s coming with it–IE 10–already is in consumer preview and it includes some major changes to the exploit mitigations. In addition to the existing implementations of ASLR, DEP and others technologies in...

Raising the Bar on Browser Attacks

VANCOUVER–If there’s one thing that emerged from all of the craziness that was CanSecWest, Pwn2Own and Pwnium, it’s that life is becoming more difficult for researchers and attackers looking to exploit modern browsers. It’s not impossible, of course, but it’s certainly not the warm-up exercise th...

IE 9 Falls to Pair of Zero Days at Pwn2Own

The same team from VUPEN that took down Google Chrome on Wednesday has succeeded in compromising Internet Explorer 9 on Windows 7, using two separate bugs. The success at the Pwn2Own contest was the result of a heap overflow bug in IE as well as a separate bug in the browser’s protected mode. The...

IBM Personal Communications I-Series Access Workstation 5.9 - Profile (Metasploit)

This file is part of the Metasploit Framework and may be subject to redistribution and commercial restrictions. Please see the Metasploit Framework web site for more information on licensing and terms of use. http://metasploit.com/framework/ require 'msf/core' class Metasploit3 'IBM Personal...

Microsoft Internet Explorer 8 Code Execution

Below is the PoC code for CVE-2011-1999 MS11-081 that accompanies my blog article "Reliable Windows 7 Exploitation: A Case Study" http://ifsec.blogspot.com/2012/02/reliable-windows-7-exploitation-case.html Some notes about the PoC code: - The exploit uses a single vulnerability to both bypass ASL...

IBM Personal Communications iSeries Access WorkStation 5.9 Profile

The IBM Personal Communications I-Series application WorkStation is susceptible to a stack-based buffer overflow vulnerability within file parsing in which data copied to a location in memory exceeds the size of the reserved destination area. The buffer is located on the runtime program stack. Wh...

Mozilla Firefox 4.0.1 - Array.reduceRight() Remote Overflow

Mozilla Firefox 4.0.1 - Array.reduceRight Remote Overflow function hexx var y = x.toString16; y = "0x"+y; return y; function itoai return String.fromCharCodei; // n - length in bytes 1 unicode char = 2 bytes function puffx, n whilex.length n x += x; return x.substring0,n; function arr2hextab var ...

Gatekeeper to Bring Tight App Controls to OS X Mountain Lion

Apple’s implementation of a semi-new set of technologies collectively known as Gatekeeper in the upcoming Mountain Lion release of Mac OS X is set to give users better control of the security of the machines, specifically which apps are allowed to run. The Gatekeeper system will enable users to...

Analyzing ASLR in Android Ice Cream Sandwich 4.0

When I first saw the release notes for the new Android Ice Cream Sandwich ICS platform, I was excited to see that Google mentioned that “Android 4.0 now provides address space layout randomization”. For the uninitiated, ASLR randomizes where various areas of memory eg. stack, heap, libs, etc are...

PHP 'filter_globals'结构任意代码执行漏洞

PHP是一款流行的编程语言 Php 5.2.0至5.2.17之间存在一个信息泄露问题，并且由于在关闭阶段没有正确清理filterglobals结构可能导致任意代码执行 如果在设置PGmodulesactivated为1之前在启动阶段PHP bailout，filterglobals结构在关闭阶段不会被清理。后续请求会使用filterglobals结构没有清理干净的值，使用特制的请求可导致信息泄露和任意代码执行 0 Php 5.2.0 - 5.2.17 厂商解决方案 PHP 5.3已经修复此漏洞，建议用户下载使用： http://www.php.net/ ?php / This scrip...