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Erent types of X86 decoders. In June 2013, Microsoft started the first of their new bug-bounty programs, focusing on finding vulnerabilities in IE11 on the upcoming Windows 8. Rather than spending my time fuzzing for RCEs, I focused on pure logic bugs and the best place to find them was in the sandbox implementation. This workshop will contain a deep-dive into the 4 sandbox escapes I discovered during the 30-day bug bounty period, some which have been present since Vista and IE7. Sample source code for all issues will be provided for use to allow you to test the issues out yourself. Zte axon 7 cheap In order to participate in the workshop, an installation of Windows 8. Many of the latest Flash exploits seen in the wild (CVE-2013-5329, CVE-2013-5330, CVE-2014-0497, etc) are protected with commercial tools like DoSWF and secureSWF. Malicious Flash redirectors are also utilizing the same tools. Static analysis of protected Flash objects is slow and frustrating: you need to identify the encryption algorithm and the key, implement the decryption routine, and extract the encrypted data from the Flash object. If only there were a decent tool for dynamic analysis Flash files... In this presentation, we will release and demonstrate the first tool that enables dynamic analysis of malicious Flash files. There is no need for decompilation - the tool utilizes binary instrumentation to log the interesting method calls. This approach not only significantly speeds up the analysis of individual files but also enables detailed automatic analysis of malicious Flash files. Many developers today are turning to well established third-party libraries to speed the development process and realize quality improvements over creating an in-house proprietary font parsing or image rendering library from the ground up. Efficiency comes at a cost though: a single application may have as many as 100 different third party libraries implemented.

The result is that third-party and open source libraries have the ability to spread a single vulnerability across multiple products, exposing enterprises and requiring software vendors and IT organizations to patch the same vulnerability repeatedly. How big of a problem is this? What libraries are the biggest offenders for spreading pestilence?

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And what can be done to minimize this problem? This presentation will dive deep into vulnerability data and explore the source and spread of these vulnerabilities through products, as well as actions the security research community and enterprise customers can take to address this problem.

IPv6 era is here, either if you already use it or if you continue to ignore it. However, even in the last case, this does not mean that your nodes (end-hosts, networking devices, security devices) are not already pre-configured with IPv6 connectivity, at least to some extent. At the same time, ARIN states that they are currently in phase three of a 4-phased IPv4 Countdown Plan, being already down to about 0. And what IPv6 does not forgive for sure is the lack of security awareness.

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In this talk, it will be shown that significant security issues still remain unsolved. Specifically, three different but novel techniques will be presented that allow attackers to exploit even a really minor detail in the design of the IPv6 protocol to make security devices like high-end commercial IDPS devices completely blind. These techniques allow the attackers to launch any kind of attack against their targets, from port scanning to SQLi, while remaining undetected.

Moreover, in this talk, after presenting detailed analysis of the attacks and the corresponding exploitation results against IDPS devices, potential security implications to other security devices, like firewalls will also be examined. Finally, specific mitigation techniques will be proposed, both short-term and long-term ones, in order to protect your network from them. Patching all vulnerabilities for a modern, complex software system (i. Instead, software vendors usually devise quick workarounds to mitigate the exploitation of a given vulnerability.

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However, those patches are sometimes incomplete, and attackers can utilize different attack vectors to re-exploit a patched vulnerability. In this presentation, we will disclose our process for jailbreaking the latest version of iOS (version 7. We start by finding new ways to exploit vulnerabilities with incomplete patches.

We then use these vulnerabilities to discover new avenues of attack. Finally, we chain together these vulnerabilities and new attacks to run unsigned code out of the sandbox with root permissions and to defeat mandatory code signing.

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We include a detailed disclosure of several new vulnerabilities and the exploit techniques that we developed. Stealth and persistency are invaluable assets to an intruder.

You cannot defend against what you cannot see. This talk discusses techniques to counter attempts at subverting modern security features, and regain control of compromised machines, by drilling down deep into internal structures of the operating system to battle the threat of bootkits. The security features added in modern 64-bit versions of Windows raise the bar for kernel mode rootkits.

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Loading unsigned drivers, which is what most rootkits will attempt to do, is denied by Driver Signature Enforcement. PatchGuard protects the integrity of the running kernel, preventing them from modifying critical structures and setting up hooks. Although time has shown that these security measures are not perfect, and some may in fact be bypassed while actively running, an alternative approach is to subvert the system by running code before any of the security features kick in. Secure Boot has been introduced to protect the integrity of the boot process.

However, the model only works when booting from signed firmware (UEFI). Legacy BIOS systems are still vulnerable as the Master Boot Record, Volume Boot Record, and the bootstrap code all reside in unsigned sectors on disk, with no security features in place to protect them from modification. Using a combination of low-level anti-rootkit techniques, emulation, and heuristic detection logic, we have devised a way to detect anomalies in the boot sectors for the purpose of detecting the presence of bootkits.

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The UEFI specification has more tightly coupled the bonds of the operating system and the platform firmware by providing the well-defined "runtime services" interface between the operating system and the firmware. This interface is more expansive than the interface that existed in the days of conventional BIOS, which has inadvertently increased the attack surface against the platform firmware.

Furthermore, Windows 8 has introduced APIs that allow accessing this UEFI interface from a userland process. Vulnerabilities in this interface can potentially allow a userland process to escalate its privileges from "ring 3" all the way up to that of the platform firmware, which includes permanently attaining control of the very-powerful System Management Mode (SMM). This talk will disclose two of these vulnerabilities that were discovered in the Intel provided UEFI reference implementation, and detail the unusual techniques needed to successfully exploit them. Graphical user interfaces (GUIs) contain a number of common visual elements or widgets such as labels, text fields, buttons, and lists. GUIs typically provide the ability to set attributes on these widgets to control their visibility, enabled status, and whether they are writable.

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In particular, in the context of GUI-based applications that include multiple privilege levels within the application, GUI element attributes are often misused as a mechanism for enforcing access control policies. In this session, we introduce GEMs, or instances of GUI element misuse, as a novel class of access control vulnerabilities in GUI-based applications.

We present a classification of different GEMs that can arise through misuse of widget attributes, and des