Linux Kernel 4.13 (Ubuntu 17.10) - waitid() SMEPSMAPChrome Sandbox Privilege Escalation

Linux Kernel 4.13 Ubuntu 17.10 - waitid SMEPSMAPChrome Sandbox Privilege Escalation // Proof of concept exploit for waitid bug introduced in Linux Kernel 4.13 // By Chris Salls twitter.com/chrissalls // This exploit can be used to break out out of sandboxes such as that in google chrome // In thi...

Linux Kernel 4.13 (Ubuntu 17.10) - 'waitid()' SMEP/SMAP/Chrome Sandbox Privilege Escalation

// Proof of concept exploit for waitid bug introduced in Linux Kernel 4.13 // By Chris Salls twitter.com/chrissalls // This exploit can be used to break out out of sandboxes such as that in google chrome // In this proof of concept we install the seccomp filter from chrome as well as a chroot, //...

Missing check for grant table

ISSUE DESCRIPTION The function gnttabcacheflush handles GNTTABOPcacheflush grant table operations. It checks to see if the calling domain is the owner of the page that is to be operated on. If it is not, the owner's grant table is checked to see if a grant mapping to the calling domain exists for...

Linux Kernel UDP Fragmentation Offset (UFO) Privilege Escalation

This module attempts to gain root privileges on Linux systems by abusing UDP Fragmentation Offload UFO. This exploit targets only systems using Ubuntu Trusty / Xenial kernels 4.4.0-21 use exploit/linux/local/ufo/privilegeescalation msf undefinedprivilegeescalation show actions ...actions... msf...

Linux Kernel 3.11 < 4.8 0 - SO_SNDBUFFORCE & SO_RCVBUFFORCE Local Privilege Escalation Exploi

Exploit for linux platform in category local exploits // CAPNETADMIN - root LPE exploit for CVE-2016-9793 // No KASLR, SMEP or SMAP bypass included // Affected kernels: 3.11 - 4.8 // Tested in QEMU only // https://github.com/xairy/kernel-exploits/tree/master/CVE-2016-9793 // // Usage: // gcc...

Linux Kernel 4.8.0 - Packet Socket Local root Privilege Escalation Exploit

Exploit for linux platform in category local exploits // A proof-of-concept local root exploit for CVE-2017-7308. // Includes a SMEP & SMAP bypass. // Tested on 4.8.0-41-generic Ubuntu kernel. // https://github.com/xairy/kernel-exploits/tree/master/CVE-2017-7308 // // Usage: // email protected:$...

Linux Kernel 4.8.0-41-generic (Ubuntu) - Packet Socket Local Privilege Escalation

// A proof-of-concept local root exploit for CVE-2017-7308. // Includes a SMEP & SMAP bypass. // Tested on 4.8.0-41-generic Ubuntu kernel. // https://github.com/xairy/kernel-exploits/tree/master/CVE-2017-7308 // // Usage: // user@ubuntu:$ uname -a // Linux ubuntu 4.8.0-41-generic 4416.04.1-Ubuntu...

Linux Kernel 4.8.0-41-generic (Ubuntu) - Packet Socket Local Privilege Escalation

Linux Kernel 4.8.0-41-generic Ubuntu - Packet Socket Local Privilege Escalation // A proof-of-concept local root exploit for CVE-2017-7308. // Includes a SMEP & SMAP bypass. // Tested on 4.8.0-41-generic Ubuntu kernel. // https://github.com/xairy/kernel-exploits/tree/master/CVE-2017-7308 // //...

PWN2OWN 2017 the Linux kernel to mention the right vulnerability analysis-vulnerability warning-the black bar safety net

! 0. Foreword In 2017, the PWN2OWN contest, the long Pavilion security research lab Chaitin Security Research Lab successfully demonstrates Ubuntu 16.10 Desktop of the local extraction rights. This attack mainly use the linux kernel IPSEC frameworkfrom linux2. 6 Start supportin a memory bounds...

AF_PACKET packet_set_ring Privilege Escalation

This module exploits a heap-out-of-bounds write in the packetsetring function in net/packet/afpacket.c AFPACKET in the Linux kernel to execute code as root CVE-2017-7308. The bug was initially introduced in 2011 and patched in version 4.10.6, potentially affecting a large number of kernels; howev...

Linux Kernel 4.4.0 (Ubuntu) - DCCP Double-Free Privilege Escalation Exploit

Exploit for linux platform in category local exploits // // EDB Note: More information http://seclists.org/oss-sec/2017/q1/471 // // A proof-of-concept local root exploit for CVE-2017-6074. // Includes a semireliable SMAP/SMEP bypass. // Tested on 4.4.0-62-generic 83-Ubuntu kernel. //...

Linux Kernel 4.4.0 (Ubuntu) - DCCP Double-Free Privilege Escalation

Linux Kernel 4.4.0 Ubuntu - DCCP Double-Free Privilege Escalation // // EDB Note: More information http://seclists.org/oss-sec/2017/q1/471 // // A proof-of-concept local root exploit for CVE-2017-6074. // Includes a semireliable SMAP/SMEP bypass. // Tested on 4.4.0-62-generic 83-Ubuntu kernel. //...

Linux Kernel 4.4.0 (Ubuntu) - DCCP Double-Free Privilege Escalation

// // EDB Note: More information http://seclists.org/oss-sec/2017/q1/471 // // A proof-of-concept local root exploit for CVE-2017-6074. // Includes a semireliable SMAP/SMEP bypass. // Tested on 4.4.0-62-generic 83-Ubuntu kernel. // https://github.com/xairy/kernel-exploits/tree/master/CVE-2017-607...

Linux af_packet.c race condition (local root) (CVE-2016-8655)

To create AFPACKET sockets you need CAPNETRAW in your network namespace, which can be acquired by unprivileged processes on systems where unprivileged namespaces are enabled Ubuntu, Fedora, etc. It can be triggered from within containers to compromise the host kernel. On Android, processes with...

AF_PACKET chocobo_root Privilege Escalation

This module exploits a race condition and use-after-free in the packetsetring function in net/packet/afpacket.c AFPACKET in the Linux kernel to execute code as root CVE-2016-8655. The bug was initially introduced in 2011 and patched in 2016 in version 4.4.0-53.74, potentially affecting a large...

Citrix XenServer Multiple Vulnerabilities (CTX214954) (Bunker Buster)

The version of Citrix XenServer running on the remote host is missing a security hotfix. It is, therefore, affected by multiple vulnerabilities : - A privilege escalation vulnerability known as 'Bunker Buster' exists in the paravirtualization PV pagetable implementation due to incorrect usage of...

Design/Logic Flaw

Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention SMAP whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service hypervisor and VM crash by triggering a safety check...

CVE-2016-6259

Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention SMAP whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service hypervisor and VM crash by triggering a safety check...

CVE-2016-6259

CVE-2016-6259 affects Xen 4.5.x–4.7.x where SMAP whitelisting is not implemented for 32-bit exception/event delivery. This enables local 32-bit PV guests to trigger a safety check that can crash the hypervisor or VMs (DoS). The root cause is missing Supervisor Mode Access Prevention whitelisting ...

FreeBSD : xen-kernel -- x86: Missing SMAP whitelisting in 32-bit exception / event delivery (04cf89e3-5854-11e6-b334-002590263bf5)

The Xen Project reports : Supervisor Mode Access Prevention is a hardware feature designed to make an Operating System more robust, by raising a pagefault rather than accidentally following a pointer into userspace. However, legitimate accesses into userspace require whitelisting, and the excepti...