Linux kernel null pointer dereference vulnerability (CNVD-2018-15656)

Linux kernel is the kernel used by Linux, the open source operating system released by the Linux Foundation in the United States. A null pointer dereference vulnerability exists in the 'hfsextreadextent' function of the hfs.ko file in Linux kernel version 4.15.0. An attacker can exploit this...

Linux Process Hunter: Prochunter

Prochunter aims to find hidden process with all userspace and most of the kernelspace rootkits. This tool is composed of a kernel module that prints out all running processes walking the taskstruct list and creates /sys/kernel/prochunter/set entry. A python script that invokes the kernel function...

Debian DSA-4031-1 : ruby2.3 - security update

Several vulnerabilities have been discovered in the interpreter for the Ruby language. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2017-0898 aerodudrizzt reported a buffer underrun vulnerability in the sprintf method of the Kernel module resulting in...

CVE-2017-15265

A use-after-free vulnerability was found when issuing an ioctl to a sound device. This could allow a user to exploit a race condition and create memory corruption or possibly privilege escalation. Mitigation It is possible to prevent the affected code from being loaded by blacklisting the kernel...

Buffer underrun vulnerability in Kernel.sprintf

There is a buffer underrun vulnerability in the sprintf method of Kernel module. If a malicious format string which contains a precious specifier is passed and a huge minus value is also passed to the specifier, buffer underrun may be caused. In such situation, the result may contains heap, or th...

How to: Detect OutlawCountry on YOUR System?

PenTestIT RSS Feed On June 29th 2017, WikiLeaks published documents about the CIA OutlawCountry project that targets computers running the Linux operating systems. Such releases have been code-named "Vault 7" by WikiLeaks. This is a post about a simple method with which you can verify for your se...

RHEL / CentOS 6.x (64-bit) Malicious Kernel Module Detection (OutlawCountry)

According to diagnostic indicators, the remote Red Hat Enterprise Linux or CentOS host may have a malicious kernel module known as OutlawCountry installed. OutlawCountry creates a hidden netfilter table that allows an authenticated attacker to covertly override existing netfilter/iptables firewal...

tcconfig - A Simple Tc Command Wrapper Tool

A Simple tc command wrapper tool. Easy to set up traffic control of network bandwidth/latency/packet-loss to a network interface. Traffic control features Trafic shaping target Apply traffic shaping rules to specific target: Outgoing/Incoming packets Certain IP address/network or port Available...

Direct Memory Access Attack: PCILeech

Direct Memory Access Attack The PCILeech use the USB3380 chip in order to read from and write to the memory of a target system. This is achieved by using DMA over PCI Express. No drivers are needed on the target system. The USB3380 is only able to read 4GB of memory natively, but is able to read...

QuickZip V4. 60 buffer overflow vulnerability details-vulnerability warning-the black bar safety net

This article will provide the reader a detailed description QuickZip v4. 60 buffer overflow vulnerability knowledge. Due to the vulnerabilities in 2010 appeared, so it's designed only for 32-bit Windows XP. So, I decided to try it in 64-bit Windows 7 reproduce the vulnerability, it would be a fun...

Debian/Ubuntu ntfs-3g Local Privilege Escalation

This module requires Metasploit: http://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework require 'msf/core' class MetasploitModule 'Debian/Ubuntu ntfs-3g Local Privilege Escalation', 'Description' = %q ntfs-3g mount helper in Ubuntu 16.04, 16.10, Debian 7, 8,...

VirtualBox - Cooperating VMs can Escape from Shared Folder Exploit

Exploit for linux platform in category local exploits Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1037 There is a security issue in the shared folder implementation that permits cooperating guests with write access to the same shared folder to gain access to the whole...

DEBIAN-CVE-2014-9645

The addprobe function in modutils/modprobe.c in BusyBox before 1.23.0 allows local users to bypass intended restrictions on loading kernel modules via a / slash character in a module name, as demonstrated by an "ifconfig /usbserial up" command or a "mount -t /sndpcm none /" command...

CVE-2014-9645

The CVE-2014-9645 entry concerns BusyBox, where the add_probe function in modutils/modprobe.c allows a local user to bypass module-loading restrictions when a slash (/) is used in a module name (e.g., ifconfig /usbserial up or mount -t /snd_pcm none /). This is a local-privilege-elevation style f...

CVE-2014-9645

The addprobe function in modutils/modprobe.c in BusyBox before 1.23.0 allows local users to bypass intended restrictions on loading kernel modules via a / slash character in a module name, as demonstrated by an "ifconfig /usbserial up" command or a "mount -t /sndpcm none /" command...

Security Using Pre-Existing Routing for Mobile Ad hoc Networks: SUPERMAN

Security Using Pre-Existing Routing for Mobile Ad hoc Networks The flexibility and mobility of Mobile Ad hoc Networks MANETs have made them increasing popular in a wide range of use cases. To protect these networks, security protocols have been developed to protect routing and application data...

Google Android - pm_qos KASLR Bypass Vulnerability

Exploit for Android platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=971 The "pmqos" module exposes an interface to kernel space for specifying QoS dependencies. In order to aid in debugging this interface, the module exposes a "debugfs" interface,...

In-depth analysis of TIMA any kernel module authentication bypass vulnerability-vulnerability warning-the black bar safety net

In order to ensure that the Android device in Linux kernel the integrity of the, Samsung introduced a named“lkmauth”function. This function was originally designed to ensure that only the Samsung-approved those that the kernel module can only be loaded into the Linux kernel. TIMA any kernel modul...

Debian/Ubuntu ntfs-3g Local Privilege Escalation

ntfs-3g mount helper in Ubuntu 16.04, 16.10, Debian 7, 8, and possibly 9 does not properly sanitize the environment when executing modprobe. This can be abused to load a kernel module and execute a binary payload as the root user. Module Options msf use exploit/linux/local/ntfs3g/privesc msf...

TIMA Arbitrary Kernel Module Verification Bypass Vulnerability

Samsung's lkmauth feature suffers from a kernel module verification bypass vulnerability. TIMA Arbitrary Kernel Module Verification Bypass In order to ensure the integrity of the Linux Kernel on Android devices, Samsung has introduced a feature called "lkmauth". This feature is meant to make sure...