Multi-Architecture GDB Enhanced Features for Exploiters & Reverse-Engineers: GEF

Multi-Architecture GDB Enhanced Features for Exploiters & Reverse-Engineers GEF is a kick-ass set of commands for X86, ARM, MIPS, PowerPC and SPARC to make GDB cool again for exploit dev. It is aimed to be used mostly by exploiters and reverse-engineers, to provides additional features to GDB usi...

shopify-scripts: Crash in print_backtrace

This crash does not affect mruby-engine because it does not print the back trace in guest. We can control the register by setting a backtrace array. PoC ruby exc = Exception.new exc.setbacktrace0x41414141 raise exc GDB $ gdb -q --args ./bin/mruby test12.rb Reading symbols from ./bin/mruby...done...

shopify-scripts: SIGSEGV - kh_resize_iv - Null Deref

PoC --------------------- The following code triggers the bug attached as khresizeiv.rb: l t'',''doend s'',''do.end d t''do.end a=Array.new a.=102,0 € s a.tos a a.tos a.i Debug - mirb --------------------- gdb r khresizeiv.rb Starting program: /home/x/Desktop/research/mruby/bin/mirb khresizeiv.rb...

shopify-scripts: Heap Overflow in mrb_arb_splice

It's similar with 192235, but the root cause is different. both of mruby and mruby-engine are crashed by the following PoC. MRBINT64 ruby ary = Array.new1023 ary0x7ffffffffffffc00,0 = Array.new1024 $ gdb -q --args ./bin/mruby test2.rb Reading symbols from ./bin/mruby...done. gdb r Starting progra...

shopify-scripts: Invalid memory access while freeing memory, caused by invalid type passed to mrb_ary_unshift

Hi, Phew, this was a tricky one as the cause wasn't next door to where the dereference happened! The file causing this is: a case when nil redo end $ ./dev/bin/mruby --version mruby 1.2.0 2015-11-17 $ ./dev/bin/mruby crash.rb crash.rb:1:3: '' interpreted as argument prefix trace: 0 crash.rb:3...

Internet Bug Bounty: Memory corruption in _php_math_number_format_ex()

The fix of this bug has been committed: https://bugs.php.net/bug.php?id=73336 Description: -------------- I have found some vulnerable code at phpmathnumberformatex function. phpmathnumberformatex function is an internal function which is called from numberformat function. numberformat function...

Internet Bug Bounty: memcpy negative size parameter in php_resolve_path

Upstream Bug --- https://bugs.php.net/bug.php?id=73189 Summary -- Multiple PHP functions are vulnerable to negative size parameter in memcpy call through phpresolvepath. Some of the affected functions are: filegetcontents, fileputcontents, file, readfile, getmetatags, gzopen, readgzfile, gzfile,...

CERT Basic Fuzzing Framework: BFF

CERT Basic Fuzzing Framework The CERT Basic Fuzzing Framework BFF is a software testing tool that finds defects in applications that run on the Linux and Mac OS X platforms. BFF performs mutational fuzzing on software that consumes file input. Mutational fuzzing is the act of taking well-formed...

From the CVE-2 0 1 4-9 7 0 7 see the unlink exploit-vulnerability warning-the black bar safety net

Foreword Recently been looking at springs, a brother of the vulnerability war: software vulnerability analysis Essentials, I contact binary the time is not long, but I think this book is particularly good, the main reason is this book in the vulnerability covers the vast majority of Common...

Internet Bug Bounty: CVE-2016-7418 PHP Out-Of-Bounds Read in php_wddx_push_element

CVE-2016-7418 PHP Out-Of-Bounds Read in phpwddxpushelement 1. Affected Version + PHP 7.0.10 + PHP 5.6.25 2. Credit This vulnerability was discovered by Ke Liu of Tencent's Xuanwu LAB. 3. Testing Environments + OS: Ubuntu + PHP: 7.0.10 + Compiler: Clang + CFLAGS: -g -O0 -fsanitize=address 4. PoC...

Wireshark 1.12.0 < 1.12.12 / 2.0.0 < 2.0.4 - RLC Dissector Denial of Service

Sample PCAP Build Information: TShark Wireshark 2.0.2 SVN Rev Unknown from unknown Copyright 1998-2016 Gerald Combs and contributors. License GPLv2+: GNU GPL version 2 or later This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or...

Wireshark 1.12.0 1.12.12 2.0.0 2.0.4 - RLC Dissector Denial of Service

Wireshark 1.12.0 1.12.12 2.0.0 2.0.4 - RLC Dissector Denial of Service Sample PCAP Build Information: TShark Wireshark 2.0.2 SVN Rev Unknown from unknown Copyright 1998-2016 Gerald Combs and contributors. License GPLv2+: GNU GPL version 2 or later This is free software; see the source for copying...

CVE-2 0 1 5-7 5 4 7 analysis and use-vulnerability and early warning-the black bar safety net

0x01 analysis This vulnerability analysis and how to build a test environment k0 chef in seebug and mrh God in the drops of the articles are written very in detail, in the following reference to Annex A of the original address. I was standing on the shoulders of Giants to write some of your own i...

Python Exploit Development GDB Assistance: Peda

Python Exploit Development GDB Assistance PEDA is a Python GDB script with many handy commands to help speed up exploit development process on Linux/Unix. It is also a framework for writing custom interactive Python GDB commands. PEDA v1.1 Released Requirements PEDA 1.0 is only support Linux GDB...

iSQL 1.0 - 'isql_main.c' Buffer Overflow (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: https://github.com/roselone/iSQL/archive/master.zip Version: 1.0 Tested on: Debian wheezy C...

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:...

Google Android - '/system/bin/sdcard' Stack Buffer Overflow (PoC)

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=798 Android: Stack-buffer-overflow in /system/bin/sdcard There's an integer overflow issue in getnodepathlocked, which results in a buffer overflow. For all of the calling paths, this is going to overflow a stack buffer in the pare...

Imagetragick patch to bypass the again command execution-vulnerability warning-the black bar safety net

Mood bloopers Hey Hey Hey,the old driver a word substandard will blast a hole Ah,this hole in the previous analysisCVE-2 0 1 6-3 7 1 4when found,the result being to cover their rotten...heart SeseI'll write about at the time is how to find out how this hole... Vulnerability analysis of the text...

4digits 1.1.4 - Local Buffer Overflow (PoC)

4digits 1.1.4 - Local Buffer Overflow PoC 4digits 1.1.4 Local Buffer Overflow Privilege Escalation if setuid/setgid Discoverd by NA , NA at tutanota.com Downloaded and tested upon Kali Linux Vendor has been notified. Description ------------- 4digits is a guess-the-number puzzle game. It's also...

Yasr Screen Reader 0.6.9 - Local Buffer Overflow

''' Exploit Author: Juan Sacco - http://www.exploitpack.com - [email protected] Program affected: General-purpose console screen reader Version: 0.6.9-5 Tested and developed under: Kali Linux 2.0 x86 - https://www.kali.org Program description: Yasr is a general-purpose console screen reader...