macOS XNU - Copy-on-Write Behaviour Bypass via Partial-Page Truncation of File

/ XNU has various interfaces that permit creating copy-on-write copies of data between processes, including out-of-line message descriptors in mach messages. It is important that the copied memory is protected against later modifications by the source process; otherwise, the source process might ...

Arbitrary Code Execution

kernel-rt is vulnerable to arbitrary code execution attacks. The vulnerability exists as a race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect handling of a copy-on-write COW feature to write to a read-only memo...

WebKit JSC - 'AbstractValue::set' Use-After-Free

indexingType; mtype = speculationFromStructurestructure.get; mvalue = JSValue; checkConsistency; assertIsRegisteredgraph; It works out marrayModes using structure-indexingType instead of structure-indexingMode. As structure-indexingType masks out the CopyOnWrite flag, which indicates that the...

WebKit JSC - AbstractValue::set Use-After-Free

WebKit JSC - AbstractValue::set Use-After-Free indexingType; mtype = speculationFromStructurestructure.get; mvalue = JSValue; checkConsistency; assertIsRegisteredgraph; It works out marrayModes using structure-indexingType instead of structure-indexingMode. As structure-indexingType masks out the...

WebKit JSC AbstractValue::set Use-After-Free Exploit

WebKit: JSC: A bug in AbstractValue::set CVE-2018-4443 void AbstractValue::setGraph& graph, RegisteredStructure structure RELEASEASSERTstructure; mstructure = structure; marrayModes = asArrayModesstructure-indexingType; mtype = speculationFromStructurestructure.get; mvalue = JSValue;...

Cisco Accidentally Released Dirty CoW Exploit Code in Software

Cisco Systems revealed in a security bulletin Wednesday that it “inadvertently” shipped in-house exploit code that was used in security tests of scripts as part of its TelePresence Video Communication Server and Expressway Series software. The code exploits the Dirty Cow vulnerability...

2016PilotOneClick

This is a collection of utilities and scripts to gain root access on a 2016 model Honda Pilot head unit and simplify the installation of third-party non-Honda apps. The scripts implement a dirtyCOW exploit to gain root access and use a bash script to automate the installation process. The scripts...

Security Bulletin: Linux kernel privesc Dirty COW vulnerability affects IBM Tivoli Netcool Impact (CVE-2016-5195)

Summary A vulnerability in the Linux kernel privesc impacts IBM Tivoli Netcool Impact on Linux platform. Vulnerability Details CVEID: CVE-2016-5195 Description: Linux Kernel could allow a local attacker to gain elevated privileges on the system, caused by a race condition when handling the...

Security Bulletin: Linux kernel privesc Dirty COW vulnerability affects Tivoli Business Service Manager (CVE-2016-5195)

Summary A vulnerability in the Linux kernel privesc impacts Tivoli Business Service Manager TBSM on Linux platform. Vulnerability Details CVEID: CVE-2016-5195 Description: Linux Kernel could allow a local attacker to gain elevated privileges on the system, caused by a race condition when handling...

Security Bulletin: IBM Security Access Manager appliances may be affected by a kernel vulnerability known as the Dirty COW bug (CVE-2016-5195)

Summary Linux Kernel could allow a local attacker to gain elevated privileges on the system, caused by a race condition when handling the copy-on-write COW breakage of private read-only memory mappings by the memory subsystem. This vulnerability is known as the Dirty COW bug. Under certain...

Security Bulletin: IBM Security Guardium is affected by Linux kernel privesc: Dirty COW vulnerability (CVE-2016-5195)

Summary Linux Kernel could allow a local attacker to gain elevated privileges on the system, caused by a race condition when handling the copy-on-write COW breakage of private read-only memory mappings by the memory subsystem. IBM Security Guardium has provided a fix for this vulnerability...

OracleVM 3.4 : Unbreakable / etc (OVMSA-2018-0035) (Dirty COW) (Meltdown) (Spectre)

The remote OracleVM system is missing necessary patches to address critical security updates : please see Oracle VM Security Advisory OVMSA-2018-0035 for details. C Tenable Network Security, Inc. The package checks in this plugin were extracted from OracleVM Security Advisory OVMSA-2018-0035...

cowfertility.com XSS vulnerability

Open Bug Bounty ID: OBB-587661 Description| Value ---|--- Affected Website:| cowfertility.com Open Bug Bounty Program:| Create your bounty program now. It's open and free. Vulnerable Application:| Custom Code Vulnerability Type:| XSS Cross Site Scripting / CWE-79 CVSSv3 Score:| 6.1...

Linux Kernel - The Huge Dirty Cow Overwriting The Huge Zero Page (2) Exploit

Exploit for linux platform in category dos / poc / The code is modified from https://www.exploit-db.com/exploits/43199/ / define GNUSOURCE include include include include include include include include include include include include define TRIESPERPAGE 20000000 define PAGESIZE 0x1000 define...

Important: kernel

Issue Overview: Stack-based out-of-bounds read via vmcall instruction Linux kernel compiled with the KVM virtualization CONFIGKVM support is vulnerable to an out-of-bounds read access issue. It could occur when emulating vmcall instructions invoked by a guest. A guest user/process could use this...

Virtuozzo 7 : readykernel-patch (VZA-2018-004)

According to the version of the vzkernel package and the readykernel-patch installed, the Virtuozzo installation on the remote host is affected by the following vulnerabilities : - A vulnerability was found in DCCP socket handling code. dccpdisconnect set the socket state to DCCPCLOSED but did no...

Fedora 27 : kernel (2017-b0c1f44130) (Dirty COW)

Contains several backported bugfixes, including the fix for CVE-2017-1000405 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without...

Important kernel security update: CVE-2017-8824 and other; Virtuozzo ReadyKernel patch 42.0 for Virtuozzo 7.0.0, 7.0.1, and 7.0.3

The cumulative Virtuozzo ReadyKernel patch was updated with security and stability fixes. The patch applies to Virtuozzo kernels 3.10.0-327.18.2.vz7.15.2 Virtuozzo 7.0.0, 3.10.0-327.42.0.vz7.18.7 Virtuozzo 7.0.1, and 3.10.0-327.42.0.vz7.20.18 Virtuozzo 7.0.3. Vulnerability id: CVE-2017-8824 A...

Amazon Linux AMI : kernel (ALAS-2017-937) (Dirty COW)

A flaw was found in the patches used to fix the 'dirtycow' vulnerability CVE-2016-5195. An attacker, able to run local code, can exploit a race condition in transparent huge pages to modify usually read-only huge pages. CVE-2017-1000405 Linux kernel Virtualization Module CONFIGKVM for the Intel...

openSUSE Security Update : the Linux Kernel (openSUSE-2017-1391) (Dirty COW)

The openSUSE Leap 42.3 kernel was updated to 4.4.103 to receive various security and bugfixes. The following security bugs were fixed : - CVE-2017-1000405: A bug in the THP CoW support could be used by local attackers to corrupt memory of other processes and cause them to crash bnc1069496. -...