Linux/x64 - Reverse (::1:1337/TCP) + IPv6 + Password (pwnd) Shellcode (115 bytes)

Linux/x64 - Reverse ::1:1337/TCP + IPv6 + Password pwnd Shellcode 115 bytes. Shellcode exploit for Linuxx86-64 platform / ; Title : Reverse Shell IPv6 with Password - Shellcode ; Author : Hashim Jawad @ihack4falafel ; OS : Linux kali 4.15.0-kali2-amd64 1 SMP Debian 4.15.11-1kali1 2018-03-21 x8664...

Linux/x86 - Kill Process Shellcode (20 bytes)

/ Exploit Title: Kill PID shellcode Date: 07/09/2018 Exploit Author: Nathu Nandwani Platform: Linux/x86 Size: 20 bytes Compile: gcc -fno-stack-protector -z execstack killproc.c -o killproc / include include int main unsigned short pid = 2801; char shellcode = "\x31\xc0" / xor eax, eax / "\xb0\x25...

Ubuntu 16.04 LTS : Linux kernel (HWE) vulnerabilities (USN-3695-2)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3695-2 advisory. USN-3695-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enableme...

Ubuntu 17.10 : linux, linux-raspi2 vulnerabilities (USN-3697-1)

It was discovered that a NULL pointer dereference vulnerability existed in the DCCP protocol implementation in the Linux kernel. A local attacker could use this to cause a denial of service system crash. CVE-2018-1130 Jann Horn discovered that the 32 bit adjtimex syscall implementation for 64 bit...

Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-3695-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3695-1 advisory. Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly initialize the crc32c checksum driver. A local attacker...

USN-3697-2: Linux kernel (OEM) vulnerabilities

It was discovered that a null pointer dereference vulnerability existed in the DCCP protocol implementation in the Linux kernel. A local attacker could use this to cause a denial of service system crash. CVE-2018-1130 Jann Horn discovered that the 32 bit adjtimex syscall implementation for 64 bit...

USN-3695-1 linux, linux-aws, linux-azure, linux-gcp, linux-kvm, linux-oem, linux-raspi2 vulnerabilities

Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly initialize the crc32c checksum driver. A local attacker could use this to cause a denial of service system crash. CVE-2018-1094 It was discovered that the cdrom driver in the Linux kernel contained an...

USN-3695-1: Linux kernel vulnerabilities

Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly initialize the crc32c checksum driver. A local attacker could use this to cause a denial of service system crash. CVE-2018-1094 It was discovered that the cdrom driver in the Linux kernel contained an...

hw: cpu: speculative execution branch target injection

An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant...

kernel: Incorrect error handling in the set_mempolicy and mbind compat syscalls in mm/mempolicy.c

Incorrect error handling in the setmempolicy and mbind compat syscalls in 'mm/mempolicy.c' in the Linux kernel allows local users to obtain sensitive information from uninitialized stack data by triggering failure of a certain bitmap operation...

MacOS/iOS kernel heap overflow due to lack of lower size check in getvolattrlist(CVE-2018-4243)

getvolattrlist takes a user controlled bufferSize argument via the fgetattrlist syscall. When allocating a kernel buffer to serialize the attr list to there's the following comment: / Allocate a target buffer for attribute results. Note that since we won't ever copy out more than the caller...

Linux/ARM - Egghunter (0x50905090) + execve('/bin/sh') Shellcode (60 bytes)

Linux/ARM - Egghunter 0x50905090 + execve'/bin/sh' Shellcode 60 bytes. Shellcode exploit for ARM platform / Title: Linux/ARM - Memsafe egghunter 0x50905090 + execve"/bin/sh". Null free shellcode 60 bytes Date: 2018-06-06 Tested: armv7l Raspberry Pi v3 and armv6l Raspberry Pi Zero W Author: rtmcx ...

Linux/ARM - Egghunter (0x50905090) + execve(/bin/sh) Shellcode (60 bytes)

/ Title: Linux/ARM - Memsafe egghunter 0x50905090 + execve"/bin/sh". Null free shellcode 60 bytes Date: 2018-06-06 Tested: armv7l Raspberry Pi v3 and armv6l Raspberry Pi Zero W Author: rtmcx - twitter: @rtmcx Description: The shellcode will search the memory for the "EGG" and, when found, redirec...

XNU Kernel - Heap Overflow Due to Bad Bounds Checking in MPTCP

XNU Kernel - Heap Overflow Due to Bad Bounds Checking in MPTCP mptcpusrconnectx is the handler for the connectx syscall for the APMULTIPATH socket family. The logic of this function fails to correctly handle source and destination sockaddrs which aren't AFINET or AFINET6: // verify salen for...

XNU Kernel - Heap Overflow Due to Bad Bounds Checking in MPTCP Exploit

Exploit for multiple platform in category dos / poc mptcpusrconnectx is the handler for the connectx syscall for the APMULTIPATH socket family. The logic of this function fails to correctly handle source and destination sockaddrs which aren't AFINET or AFINET6: // verify salen for AFINET: if...

MGASA-2018-0264 Updated kernel-tmb packages fix security vulnerabilities

This kernel-tmb update is based on the upstream 4.14.44 and fixes at least the following security issues: This update adds KPTI mitigation for Meltdown CVE-2017-5754 on 32bit x86. The netfilter subsystem in the Linux kernel through 4.15.7 mishandles the case of a rule blob that contains a jump bu...

Amazon Linux 2 : kernel (ALAS-2018-1023)

A weakness was found in the Linux kernel's implementation of random seed data. Programs, early in the boot sequence, could use the data allocated for the seed before it was sufficiently generated. CVE-2018-1108 A flaw was found in the way the Linux kernel handled exceptions delivered after a stac...

EulerOS 2.0 SP2 : kernel (EulerOS-SA-2018-1133)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - The Linux kernel, before version 4.14.3, is vulnerable to a denial of service in drivers/md/dm.c:dmgetfromkobject which can be caused by local...

Linux/x86 - Bind (5555/TCP) Shell Shellcode (98 bytes)

include / ; Bind TCP Shellcode ; Copyright 2018, Luca Di Domenico ; ; This program is free software: you can redistribute it and/or modify ; it under the terms of the GNU General Public License as published by ; the Free Software Foundation, either version 3 of the License, or ; at your option an...

Important: kernel

Issue Overview: A weakness was found in the Linux kernel's implementation of random seed data. Programs, early in the boot sequence, could use the data allocated for the seed before it was sufficiently generated. CVE-2018-1108 A flaw was found in the way the Linux kernel handled exceptions...