Dasan Networks GPON ONT WiFi Router H640X 12.02-01121 / 2.77p1-1124 / 3.03p2-1146 - Remote Code Execution

Vulnerability Summary The following advisory describes a buffer overflow that leads to remote code execution found in Dasan Networks GPON ONT WiFi Router H640X versions 12.02-01121 / 2.77p1-1124 / 3.03p2-1146 Dasan Networks GPON ONT WiFi Router “is indoor type ONT dedicated for FTTH Fibre to the...

Axis Communications MPQT/PACS Heap Overflow / Information Leakage

STX Subject: Axis Communications MPQT/PACS Heap Overflow and Information Leakage. Attack vector: Remote Authentication: Anonymous no credentials needed Researcher: bashis August 2017 PoC: https://github.com/mcw0/PoC Release date: December 1, 2017 Full Disclosure: 90 days due to the large volume o...

Clarifying the behavior of mandatory ASLR

Last week, the CERT/CC published an advisory describing some unexpected behavior they observed when enabling system-wide mandatory Address Space Layout Randomization ASLR using Windows Defender Exploit Guard WDEG and EMET on Windows 8 and above. In this blog post, we will explain the configuratio...

US-CERT Warns of ASLR Implementation Flaw In Windows

The U.S. Computer Emergency Readiness Team is warning of a vulnerability in Microsoft’s implementation of Address Space Layout Randomization that affects Windows 8, Windows 8.1 and Windows 10. The vulnerability could allow a remote attacker to take control of an affected system. Microsoft said it...

Windows ASLR Vulnerability

The CERT Coordination Center CERT/CC has released information on a vulnerability in Windows Address Space Layout Randomization ASLR that affects Windows 8, Windows 8.1, and Windows 10. A remote attacker could exploit this vulnerability to take control of an affected system. US-CERT encourages use...

Windows 8 and later fail to properly randomize every application if system-wide mandatory ASLR is enabled via EMET or Windows Defender Exploit Guard

Overview Microsoft Windows 8 introduced a change in how system-wide mandatory ASLR is implemented. This change requires system-wide bottom-up ASLR to be enabled for mandatory ASLR to receive entropy. Tools that enable system-wide ASLR without also setting bottom-up ASLR will fail to properly...

EulerOS 2.0 SP1 : kernel (EulerOS-SA-2017-1245)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - The iscsiifrx function in drivers/scsi/scsitransportiscsi.c in the Linux kernel through 4.13.2 allows local users to cause a denial of service...

Microsoft Office Equation Editor stack buffer overflow

Overview Microsoft Equation Editor contains a stack buffer overflow, which can allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system. Description Microsoft Equation Editor is a component that comes with Microsoft Office. It is an out-of-process COM server that ...

FreeFloat FTP Server 1.0 HOST Buffer Overflow

!/usr/bin/python Exploit Title: FreeFloat FTP Server HOST Buffer Overflow ASLR Bypass Date: 11/05/2017 Exploit Author: 1N3@CrowdShield - https://crowdshield Software Link: http://www.freefloat.com/software/freefloatftpserver.zip Version: 1.00 Tested on: Windows Vista SP2 Ultimate x86 ASLR...

CoolPlayer+ Portable 2.19.6 Stack Overflow

Exploit Title: CoolPlayer+ Portable 2.19.6 Stack Overflow ASLR Bypass/Bind Shell Exploit Author: 1N3@CrowdShield - https://crowdshield.com Download link:...

KB4042895: Windows 10 October 2017 Cumulative Update (KRACK)

The remote Windows host is missing security update 4042895. It is, therefore, affected by multiple vulnerabilities : - An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtai...

ASLRay - Linux ELF x32 and x64 ASLR bypass exploit with stack-spraying

Linux ELF x32 and x64 ASLR bypass exploit with stack-spraying. Properties: ASLR bypass Cross-platform Minimalistic Simplicity Unpatchable Dependencies: Linux 2.6.12+ - will work on any x86-64 Debian-based OS BASH - the whole script Limitations: Stack needs to be executable -z execstack Binary has...

Analyzing an exploit for СVE-2017-11826

The latest Patch Tuesday 17 October brought patches for 62 vulnerabilities, including one that fixed СVE-2017-11826 – a critical zero-day vulnerability used to launch targeted attacks – in all versions of Microsoft Office. The exploit for this vulnerability is an RTF document containing a DOCX...

Microsoft Windows Kernel NtQueryObject Information Disclosure (CVE-2017-11785)

An information disclosure vulnerability exists within Microsoft Windows. The vulnerability is caused when Microsoft Windows kernel improperly handles objects in memory. Successful exploitation allows the attacker to retrieve information that could lead to a Kernel ASLR bypass...

Microsoft Windows Kernel Pool nt!NtQueryObject (ObjectNameInformation) Memory Disclosure Vulnerabi

Exploit for windows platform in category dos / poc / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1303&desc=2 We have discovered that the nt!NtQueryObject syscall handler discloses portions of uninitialized pool memory to user-mode clients when the following conditions are me...

Microsoft Windows - nt!NtQueryObject (ObjectNameInformation) Kernel Pool Memory Disclosure

Microsoft Windows - nt!NtQueryObject ObjectNameInformation Kernel Pool Memory Disclosure / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1303&desc=2 We have discovered that the nt!NtQueryObject syscall handler discloses portions of uninitialized pool memory to user-mode client...

Microsoft Windows Kernel Local Information Disclosure Vulnerability(CVE-2017-11785)

We have discovered that the nt!NtQueryObject syscall handler discloses portions of uninitialized pool memory to user-mode clients when the following conditions are met: 1. It is invoked with the ObjectNameInformation information class and a file object associated with a file on local disk other...

Foxit PDF Reader JBIG2 Parser Information Disclosure Vulnerability(CVE-2016-8334)

Summary A large out of bounds read on the heap vulnerability in Foxit PDF Reader can potentially be abused for information disclosure. Combined with another vulnerability, it can be used to leak heap memory layout and in bypassing ASLR. Tested Versions Foxit Software Foxit Reader 8.0.2.805 Produc...

Microsoft Windows Multiple Vulnerabilities (KB4041671)

This host is missing an important security update according to Microsoft KB4041671. SPDX-FileCopyrightText: 2017 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 ifdescripti...

Microsoft Windows Multiple Vulnerabilities (KB4041693)

This host is missing a critical security update according to Microsoft KB4041693 SPDX-FileCopyrightText: 2017 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...