CVE-2022-49549 x86/MCE/AMD: Fix memory leak when threshold_create_bank() fails

In the Linux kernel, the following vulnerability has been resolved: x86/MCE/AMD: Fix memory leak when thresholdcreatebank fails In mcethresholdcreatedevice, if thresholdcreatebank fails, the previously allocated threshold banks array @bp will be leaked because the call to mcethresholdremovedevice...

USN-7155-1: Linux kernel (NVIDIA) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S390 architecture; -...

Suspected Russian Data-Wiping 'AcidPour' Malware Targeting Linux x86 Devices

A new variant of a data wiping malware called AcidRain has been detected in the wild that's specifically designed for targeting Linux x86 devices. The malware, dubbed AcidPour, is compiled for Linux x86 devices, SentinelOne's Juan Andres Guerrero-Saade said in a series of posts on X. "The new...

Heap-based Buffer Overflow

Description heap-buffer-overflow p/bf/plugin.c:176 in decode Environment radare2 5.8.9 31000 @ linux-x86-64 commit: 95b648f0907e91e10d55fc48147a7dae99029c5b Build export CC=gcc CXX=g++ CFLAGS="-fsanitize=address -static-libasan" CXXFLAGS="-fsanitize=address -static-libasan"...

Linux/x86 - Polymorphic linux x86 Shellcode (92 Bytes)

Exploit Title: Polymorphic linux x86 nc -lvve/bin/sh -p13377 shellcode 92 Bytes Exploit Author: Eduardo Silva Tested on: Linux x8664 SMP Debian 4.19.260-1 SLAE/Student ID: PA-31319 Webpage: https://0xnibbles.github.io/ Description: This shellcode is a polymorphic version of...

Monomorph - MD5-Monomorphic Shellcode Packer - All Payloads Have The Same MD5 Hash

════════════════════════════════════╦═══ ╔═╦═╗ ╔═╗ ╔═╗ ╔═╗ ╔═╦═╗ ╔═╗ ╔══╔═╗ ╠═╗ ═╩ ╩ ╩═╚═╝═╩ ╩═╚═╝═╩ ╩ ╩═╚═╝═╩ ╠═╝═╩ ╩═ ════════════════════════════════╩═══════ By Retr0id ═══ MD5-Monomorphic Shellcode Packer ═ ══ USAGE: python3 monomorph.py inputfile outputfile payloadfile What does it do? It...

Heap-based Buffer Overflow

Description Heap-based Buffer Overflow in msp430op Environment radare2 5.6.9 0 @ linux-x86-64 git. commit: 5.6.9 build: 2022-05-0112:17:49 Build export CC=gcc CXX=g++ CFLAGS="-fsanitize=address -static-libasan" CXXFLAGS="-fsanitize=address -static-libasan" LDFLAGS="-fsanitize=address...

Heap-based Buffer Overflow

Description Heap-based Buffer Overflow in rreadle32 Environment radare2 5.6.7 0 @ linux-x86-64 git. commit: 5.6.7 build: 2022-04-1215:06:26 Build export CC=gcc CXX=g++ CFLAGS="-fsanitize=address -static-libasan" CXXFLAGS="-fsanitize=address -static-libasan" LDFLAGS="-fsanitize=address...

Linux/x86 - Egghunter Reverse TCP Shell dynamic IP and port Shellcode

Exploit Title: Linux/x86 - Linux/x86 - Egghunter Reverse TCP Shell dynamic IP and port Shellcode Exploit Author: d7x Tested on: Ubuntu x86 / Linux/x86 - Egghunter Reverse TCP Shell Shellcode Generator with dynamic IP and port Shellcode Author: d7x https://d7x.promiselabs.net/...

Linux/x86 Custom Shellcode ASCII And-Sub Encoder

/ Title: Linux/x86 - Custom Shellcode ASCII And-Sub Encoder Date: 29.03.2021 Author: Xenofon Vassilakopoulos github : https://github.com/xen0vas/ASCII-AND-SUB-Encoder gcc -m32 sub.c -o sub Usage : ./sub -s \x41\xff\x41\x41 -b \x0a\x0d\x2f\x3a\x3f\x40\x80\x81\x82 / include include include include...

Linux/x86 - setreuid(0) + execve(/bin/sh) Shellcode (29 bytes)

/ Author: Artur ajes Szymczak 2021 Function: Linux x86 shellcode, setreuid to 0 and then execute /bin/sh Size: 29 bytes Testing: $ gcc -fno-stack-protector -z execstack shellcodetester.c -o shellcode shellcodetester.c: In function ‘main’: shellcodetester.c:25:2: warning: incompatible implicit...

Linux/x86 - bind shell on port 13377 Shellcode (65 bytes)

Exploit Title: Linux/x86 - bind shell on port 13377 Shellcode 65 bytes Date: Jan 12, 2021 Exploit Author: ac3 Version: Linux x86 Tested on: Linux x86 linux x86 nc -lvve/bin/sh -p13377 shellcode This shellcode will listen on port 13377 using netcat and give /bin/sh to connecting attacker 31 c0 xor...

Jenkins 2.56 CLI Deserialization / Code Execution

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Jenkins CLI Deserialization', 'Description' = %q An unauthenticated Java object deserialization vulnerability exists in the CLI component for...

Linux/x86 ASLR Deactivation Polymorphic - Shellcode

124 bytes small ASLR deactivation polymorphic shellcode. Title: Linux/x86 - ASLR deactivation polymorphic shellcode 124 bytes Author: Xenofon Vassilakopoulos Date: 2020-06-11 Tested on: Linux 3.13.0-32-generic 57precise1-Ubuntu i686 i386 GNU/Linux Architecture: i686 GNU/Linux Shellcode Length: 12...

Linux/x86 Add Root User Shellcode (107 bytes)

107 bytes small Linux/x86 shellcode that adds the user 'ctl' with the password 'ctl' to the /etc/passwd file with the UID and GID of 0 root. This shellcode uses legacy passwd functionality. Therefore the /etc/shadow file does not need to be accessed or modified. // Shellcode Title: Linux/x86 - Ad...

Linux/x86 - Random Bytes Encoder + XOR/SUB/NOT/ROR execve(/bin/sh) Shellcode (114 bytes)

Title: Linux/x86 - Random Bytes Encoder + XOR/SUB/NOT/ROR execve/bin/sh Shellcode 114 Author: Xenofon Vassilakopoulos Tested on: Linux kali 5.3.0-kali2-686-pae 1 SMP Debian 5.3.9-3kali1 2019-11-20 i686 GNU/Linux Architecture: i686 GNU/Linux Shellcode Length: 114 bytes SLAE-ID: SLAE - 1314...

Linux/x86 Encoder / Decoder Shellcode (117 bytes)

Title : Linux/x86 - Encoder - Random Bytes + XOR/SUB/NOT/ROR / Decoder - ROL/NOT/ADD/XOR execve/bin/sh Shellcode 117 bytes Author : Xenofon Vassilakopoulos Date : July, 2019 Tested on : Linux kali 5.3.0-kali2-686-pae 1 SMP Debian 5.3.9-3kali1 2019-11-20 i686 GNU/Linux Architecture : i686 GNU/Linu...

Linux/x86 - (NOT|ROT+8 Encoded) execve(/bin/sh) null-free Shellcode (47 bytes)

Title: Linux/x86 NOT|ROT+8 Encoded execve/bin/sh null-free Shellcode 47 bytes Author: Daniel Ortiz Date: 2019-10-30 Tested on: Linux 4.18.0-25-generic 26 Ubuntu Size: 47 bytes SLAE ID: PA-9844 ----------------------- execve ------------------------------------------------ global start section .te...

Linux/x86 - adduser (User) to /etc/passwd Shellcode (74 bytes)

Exploit Title: Linux/x86 - adduser 'User' to /etc/passwd ShellCode 74 bytes Author: bolonobolo Vendor Homepage: None Software Link: None Tested on: Linux x86 Comments: add user "User" to /etc/passwd CVE: N/A / 00000000 31DB xor ebx,ebx 00000002 31C9 xor ecx,ecx 00000004 66B90104 mov cx,0x401...

Linux/x86 - execve /bin/sh Shellcode (25 bytes)

Exploit Title: Linux/x86 - execve /bin/sh ShellCode 25 bytes Author: bolonobolo Vendor Homepage: None Software Link: None Tested on: Linux x86 CVE: N/A / global start section .text start: cdq ; xor edx mul edx lea ecx, eax mov esi, 0x68732f2f mov edi, 0x6e69622f push ecx ; push NULL in stack push...