Based on the Chakra JIT-CFG to bypass the technology-vulnerability warning-the black bar safety net

In this article, we will to introduce the reader in to attack Internet Explorer and the Edge browser can be used to bypass Microsoft's control flow protection of the CFG of the method. Our previous proof-of-concept nature of the exploit code is covered by the object's function pointers to achieve...

Twin zero-day attacks: PROMETHIUM and NEODYMIUM target individuals in Europe

Targeted attacks are typically carried out against individuals to obtain intellectual property and other valuable data from target organizations. These individuals are either directly in possession of the targeted information or are able to connect to networks where the information resides...

Microsoft Tears off the Band-Aid with EMET

Microsoft last week extended the end-of-life expiration date to July 2018 on its exploit mitigation add-on, the Enhanced Mitigation Experience Toolkit EMET. But for some time, the once-useful tool has been well on its way out to pasture. While EMET was never meant to be anything more than stopgap...

Binary Analysis Platform: angr

Binary Analysis Platform angr is a platform-agnostic binary analysis framework developed by the Computer Security Lab at UC Santa Barbara and their associated CTF team, Shellphish. angr is a suite of python libraries that let you load a binary and do a lot of cool things to it: Disassembly and...

Stable Channel Update for Desktop

The stable channel has been updated to 53.0.2785.143 for Windows, Mac, and Linux. This will roll out over the coming days/weeks. Security Fixes and Rewards Many of our security bugs are detected using AddressSanitizer, MemorySanitizer, Control Flow Integrity or LibFuzzer. Note: Access to bug...

Schneider Electric Unity PRO Control Flow Management Vulnerability

OVERVIEW Avihay Kain and Mille Gandelsman of Indegy have identified a vulnerability in Schneider Electric Unity PRO Software product. Schneider Electric has released a security notification with instructions to mitigate this vulnerability. This vulnerability could be exploited remotely. AFFECTED...

Stable Channel Update for Desktop

The stable channel has been updated to 52.0.2743.116 for Windows, Mac, and Linux. This will roll out over the coming days/weeks. Security Fixes and Rewards Note: Access to bug details and links may be kept restricted until a majority of users are updated with a fix. We will also retain restrictio...

Adobe Reader Out of Bounds Memory Access (APSB16-26: CVE-2016-4191)

This vulnerability is an instance of a memory corruption vulnerability. In particular, the vulnerability is caused by a crafted PDF file which causes an out of bounds memory access, which can trigger an access violation exception. Attackers can exploit the vulnerability by using the out of bounds...

Stable Channel Update

The stable channel has been updated to 51.0.2704.79 for Windows, Mac, and Linux. Security Fixes and Rewards Note: Access to bug details and links may be kept restricted until a majority of users are updated with a fix. We will also retain restrictions if the bug exists in a third party library th...

Reverse Engineering Cross Platform Disassembler: Panopticon

Reverse Engineering Cross Platform Disassembler Panopticon is a disassembler that understands the semantics of opcodes. This way it’s able to help the user by discovering and displaying invariants that would have to be discovered “by hand” in traditional disassemblers. This allows an interactive...

Adobe Flash Out of Bounds Access Code Corruption (CVE-2016-4117)

An out of bounds access vulnerability has been reported in Adobe Flash Player. The vulnerability is due to a type-confused parameter in Adobe Flash Player SWF file. A remote attacker can exploit this issue by using the out of bounds access for unintended reads, writes or frees – potentially leadi...

Generic Android Deobfuscator: Simplify

Simplify uses a virtual machine to execute an app and understand what it does. Then, it applies optimizations to create code that behaves identically but is easier for a human to understand. It is a generic deobfuscator because it doesn’t need any special configuration or code for different types...

Internet Bug Bounty: Type confusion in partial.setstate, partial_repr, partial_call leads to memory corruption, reliable control flow hijack

See my official writeups here: http://bugs.python.org/issue25944 http://bugs.python.org/issue25945 The maintainers merged these bug reports. In one case, the type confusion leads to a reliable control of the instruction pointer as calling repr on a corrupted partial calls a function pointer that ...

Stable Channel Update

The stable channel has been updated to 48.0.2564.109 for Windows, Mac, and Linux. Security Fixes and Rewards Note: Access to bug details and links may be kept restricted until a majority of users are updated with a fix. We will also retain restrictions if the bug exists in a third party library...

Stable Channel Update

The Chrome team is delighted to announce the promotion of Chrome 48 to the stable channel for Windows, Mac and Linux. Chrome 48.0.2564.82 contains a number of fixes and improvements -- a list of changes is available in the log. Watch out for upcoming Chrome and Chromium blog posts about new...

Stable Channel Update

The stable channel has been updated to 47.0.2526.80 for Windows, Mac, and Linux. This release contains an update to Adobe Flash Player 20.0.0.228 and security fixes. Security Fixes and Rewards Note: Access to bug details and links may be kept restricted until a majority of users are updated with ...

Exploit Writing and Exploit Mitigation

More and more white hats who practice offensive security and exploit writing are simultaneously talking about exploit mitigation. Granted, some are incentivized to do so by their employers or six-figure rewards programs, but the trend nonetheless is moving away from finding and fixing individual...

Control Flow Guard Mitigation Bypass

Introduced in Windows 8.1 Update 3 and Windows 10, Control Flow Guard was Microsoft’s latest antidote to memory-corruption attacks. The technology was meant to stand up to attacks that had long ago figured out how to bypass previous-generation protections such as Address Space Layout Randomizatio...

ZenPhoto 1.4.8 - Multiple Vulnerabilities

ZenPhoto version 1.4.8 suffers from cross site scripting, remote SQL injection, and path traversal vulnerabilities. Vulnerability: SQL Injection, Reflected XSS, Path Traversal Affected Software: ZenPhoto http://www.zenphoto.org/ Affected Version: 1.4.8 probably also prior versions Patched Version...

Static Analysis Tool: Bindead

The tool is based on the dynamic instrumentation framework PIN from Intel. Currently PIN is only working with the x86 architecture. Additionally, bintrace currently is limited to the Linux platform but will be ported to Windows when there is the need to. Actually, building for Windows might work...