Design/Logic Flaw

GNU Debugger GDB 8.0 and earlier fails to detect a negative length field in a DWARF section. A malformed section in an ELF binary or a core file can cause GDB to repeatedly allocate memory until a process limit is reached. This can, for example, impede efforts to analyze malware with GDB...

CVE-2017-9778

CVE-2017-9778 affects GNU Debugger (GDB) 8.0 and earlier. A malformed DWARF/ELF section can cause GDB to repeatedly allocate memory, potentially exhausting process limits and hindering malware analysis. Connected sources confirm the vulnerability in GDB’s handling of DWARF sections in ELF binarie...

CVE-2017-9778

GNU Debugger GDB 8.0 and earlier fails to detect a negative length field in a DWARF section. A malformed section in an ELF binary or a core file can cause GDB to repeatedly allocate memory until a process limit is reached. This can, for example, impede efforts to analyze malware with GDB...

GDB Exploit Development & Reverse Engineering: pwndbg

GDB Exploit Development & Reverse Engineering pwndbg /poʊndbæg/ is a GDB plug-in that makes debugging with GDB suck less, with a focus on features needed by low-level software developers, hardware hackers, reverse-engineers and exploit developers. Vanilla GDB is terrible to use for reverse...

Based on jemalloc Android exploit skills----CENSUS-bug warning-the black bar safety net

Background description jemalloc-related research argp and huku in 2012 in Phrack published on: jemalloc memory allocator a separate use of themade-based on FreeBSD libc POC. argp and huku in 2012 BlackHat published: in Firefo play bad jemalloc metadata. argp in 2015 INFILTRATE on jemalloc exploit...

gdbgui - A browser-based frontend/gui for GDB

A modern, browser-based frontend to gdb gnu debugger. Add breakpoints, view stack traces, and more in C, C++, Go, and Rust! Simply run gdbgui from the terminal and a new tab will open in your browser. Install sudo pip install gdbgui --upgrade Since gdbgui is under active development, consider...

shopify-scripts: SIGABRT - mirb and mruby

PoC ------------------- The following code triggers the bug attached as test.rb: def methodmissingm,e self.ff||=00end e Debug - mirb ------------------- x@x:/Desktop/test/mruby/bin$ gdb -q ./mirb Reading symbols from ./mirb...done. gdb r test.rb Starting program: /home/x/Desktop/test/mruby/bin/mi...

Linux vulnerability analysis-MP3Info 0.8.5 a code execution vulnerability, CVE-2006-2465-a vulnerability warning-the black bar safety net

Author: k0shl reprint please indicate the source: http://whereisk0shl.top Vulnerability description Software download: https://www.exploit-db.com/apps/cb7b619a10a40aaac2113b87bb2b2ea2-mp3info-0.8.5a.tgz PoC: junk = "\x90\x90\x90\x90"8 shellcode = "\x31\xc0\x50\x68/\x68/bin\x89\the...

Browser-based GDB frontend: gdbGUI

A modern, browser-based frontend to gdb gnu debugger. Add breakpoints, view stack traces, and more in C, C++, Go, and Rust! Simply run gdbgui from the terminal and a new tab will open in your browse Features Debug a different program in each tab new gdb instance is spawned for each tab Set/remove...

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...