Valve: OOB reads in network message handlers leads to RCE

Vulnerability In Source engine games there are many network messages sent from the server to the client that take an entity index. There is a common pattern among many of these messages for the lower bounds of the entity index to be checked but not the upper bounds. In many cases these out of bou...

Huawei EulerOS: Security Advisory for libreoffice (EulerOS-SA-2019-2169)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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...

Windows/7 - Screen Lock Shellcode (9 bytes)

Title: Windows/7 - Screen Lock Shellcode 9 bytes Author: Saswat Nayak Date: 2020-01-22 Shellcode length 9 Tested on: Win 7 SP1-64 / Assembly code follows xor eax,eax xor ebx,ebx xor ecx,ecx mov eax,0x00000002 mov ebx,0x00020000 push ebx push al mov ecx,0x77661497 call ecx / char code=...

The Basics of Exploit Development 1: Win32 Buffer Overflows

In this article we will cover the creation of an exploit for a 32-bit Windows application vulnerable to a buffer overflow using X64dbg and the associated ERC plugin. As this is the first article in this series, we will be looking at an exploit where we have a complete EIP overwrite and ESP points...

EulerOS Virtualization for ARM 64 3.0.5.0 : libgcrypt (EulerOS-SA-2020-1085)

According to the versions of the libgcrypt package installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - It was discovered that there was a ECDSA timing attack in the libgcrypt20 cryptographic library. Version affected:...

openSUSE: Security Advisory for go1.12 (openSUSE-SU-2019:2085-1)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH 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-or-later This program is free software; you can...

Netwide Assembler Buffer Overflow Vulnerability (CNVD-2020-02979)

Netwide Assembler NASM is a Linux-based assembler. The product is capable of creating binaries and writing bootloaders. A buffer overflow vulnerability exists in the expr function of the asm/eval.c file in version 2.14.02 of Netwide Assembler NASM. The vulnerability stems from a networked system ...

DEBIAN-CVE-2019-20352

In Netwide Assembler NASM 2.15rc0, a heap-based buffer over-read occurs via a crafted .asm file in settextfree when called from expandonesmacro in asm/preproc.c...

SysWhispers - AV/EDR Evasion Via Direct System Calls

SysWhispers helps with evasion by generating header/ASM files implants can use to make direct system calls. All core syscalls are supported from Windows XP to 10. Example generated files available in example-output/. Introduction Various security products place hooks in user-mode APIs which allow...

Telerik UI - Remote Code Execution via Insecure Deserialization

See the full write-up at Bishop Fox, CVE-2019-18935: https://know.bishopfox.com/research/cve-2019-18935-remote-code-execution-in-telerik-ui, for a complete walkthrough of vulnerability and exploit details for this issue along with patching instructions. Install git clone...

Telerik UI - Remote Code Execution via Insecure Deserialization Exploit

Exploit for asp platform in category web applications Telerik UI - Remote Code Execution via Insecure Deserialization Exploit See the full write-up at Bishop Fox, CVE-2019-18935: https://know.bishopfox.com/research/cve-2019-18935-remote-code-execution-in-telerik-ui, for a complete walkthrough of...

CVE-2019-18935

Progress Telerik UI for ASP.NET AJAX through 2019.3.1023 contains a .NET deserialization vulnerability in the RadAsyncUpload function. This is exploitable when the encryption keys are known due to the presence of CVE-2017-11317 or CVE-2017-11357, or other means. Exploitation can result in remote...

UBUNTU-CVE-2019-19647

radare2 through 4.0.0 lacks validation of the content variable in the function rasmpseudoincbin at libr/asm/asm.c, ultimately leading to an arbitrary write. This allows remote attackers to cause a denial of service application crash or possibly have unspecified other impact via crafted input...

Double Vision: Stealthy Malware Dropper Delivers Dual RATs

A newly discovered initial-stage malware dropper has been discovered sneaking by antivirus products, with the ultimate goal of delivering a double-pronged whammy of RevengeRAT and WSH RAT payloads onto targeted Windows machines. A FortiGuard Labs team recently captured a sample file that had been...

Linux/x86 - (NOT|ROT+8 Encoded) execve(/bin/sh) null-free Shellcode (47 bytes)

Title: Linux/x86 NOT|ROT+8 Encoded execve/bin/sh null-free Shellcode 47 bytes Author: Daniel Ortiz Date: 2019-10-30 Tested on: Linux 4.18.0-25-generic 26 Ubuntu Size: 47 bytes SLAE ID: PA-9844 ----------------------- execve ------------------------------------------------ global start section .te...

Slither v0.6.7 - Static Analyzer For Solidity

Slither is a Solidity static analysis framework written in Python 3. It runs a suite of vulnerability detectors, prints visual information about contract details, and provides an API to easily write custom analyses. Slither enables developers to find vulnerabilities, enhance their code...

openSUSE Security Update : libreoffice (openSUSE-2019-2361)

This update for libreoffice fixes the following issues: Updated to version 6.2.7.1. Security issues fixed : - CVE-2019-9854: Fixed unsafe URL assembly flaw bsc1149944. - CVE-2019-9855: Fixed path equivalence handling flaw bsc1149943 This update was imported from the SUSE:SLE-15:Update update...

SUSE-SU-2019:2686-1 Security update for libreoffice

This update for libreoffice fixes the following issues: Updated to version 6.2.7.1. Security issues fixed: - CVE-2019-9854: Fixed unsafe URL assembly flaw bsc1149944. - CVE-2019-9855: Fixed path equivalence handling flaw bsc1149943...

Upgrading to Storefront 3.12 CU4 fails - MSI logs shows Citrix Protocol Transition service exception

When attempting to upgrade Storefront 3.12 LTSR to CU4 fails. In the Install wizard the following message is displayed: When checking the MSI Installer logs the following exception is found NOTE: MSI logs are found in C:\Windows\Temp\Storefront\CitrixMsi-CitrixStoreFront-x64-201X.-xx-xx-xx.log...

OPENSUSE-SU-2019:2130-1 Security update for go1.12

This update for go1.12 fixes the following issues: Security issues fixed: - CVE-2019-9512: Fixed HTTP/2 flood using PING frames that results in unbounded memory growth bsc1146111. - CVE-2019-9514: Fixed HTTP/2 implementation that is vulnerable to a reset flood, potentially leading to a denial of...