The Internet is Held Together With Spit & Baling Wire

A visualization of the Internet made using network routing data. Image: Barrett Lyon, opte.org. Imagine being able to disconnect or redirect Internet traffic destined for some of the worlds biggest companies -- just by spoofing an email. This is the nature of a threat vector recently removed by a...

Authentication flaw

Synapse is a package for Matrix homeservers written in Python 3/Twisted. Prior to version 1.47.1, Synapse instances with the media repository enabled can be tricked into downloading a file from a remote server into an arbitrary directory. No authentication is required for the affected endpoint. T...

PYSEC-2021-436

Synapse is a package for Matrix homeservers written in Python 3/Twisted. Prior to version 1.47.1, Synapse instances with the media repository enabled can be tricked into downloading a file from a remote server into an arbitrary directory. No authentication is required for the affected endpoint. T...

CVE-2021-41281

Synapse is a package for Matrix homeservers written in Python 3/Twisted. Prior to version 1.47.1, Synapse instances with the media repository enabled can be tricked into downloading a file from a remote server into an arbitrary directory. No authentication is required for the affected endpoint. T...

CVE-2021-41281

Synapse is a package for Matrix homeservers written in Python 3/Twisted. Prior to version 1.47.1, Synapse instances with the media repository enabled can be tricked into downloading a file from a remote server into an arbitrary directory. No authentication is required for the affected endpoint. T...

CVE-2021-41281 Path traversal in Matrix Synapse

Synapse is a package for Matrix homeservers written in Python 3/Twisted. Prior to version 1.47.1, Synapse instances with the media repository enabled can be tricked into downloading a file from a remote server into an arbitrary directory. No authentication is required for the affected endpoint. T...

CVE-2021-41281

CVE-2021-41281 affects Synapse (Matrix homeserver) versions before 1.47.1 with the media repository enabled. A path traversal vulnerability lets an attacker cause a remote file to be downloaded into an arbitrary directory without authentication; the impact is mitigated by the last two path compon...

Malwarebytes CrackMe – contest summary

On October 29 we published our third CrackMe Challenge and announced two parallel tracks for the contest: "The fastest solve" , and "The best write-up". In the first category "The fastest solve" , we got three winners already the first weekend following publication. Big congratulations to: @nazyw...

llvm-toolset:ol8 security update

clang 12.0.1-4.0.1 - Use all available CPU cores for build - Recognize Oracle Linux distros OraBug: 29422714 12.0.1-4 - Trojan source clang-tidy patchset fix 12.0.1-3 - Trojan source clang-tidy patchset...

Phishing Scam Aims to Hijack TikTok ‘Influencer’ Accounts

A recently discovered phishing scam tried to takeover more than 125 high-profile user accounts on TikTok. Researchers said the campaign marks one of the first major attacks on “influencers” found on the TikTok social-media platform. Researchers at cloud email security provider Abnormal Security...

RHEL 7 : Satellite 6.10 Release (Moderate) (RHSA-2021:4702)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4702 advisory. Red Hat Satellite is a systems management tool for Linux-based infrastructure. It allows for provisioning, remote management, and monitoring...

Moderate: Red Hat Security Advisory: Satellite 6.10 Release

An update is now available for Red Hat Satellite 6.10 for RHEL 7. Red Hat Satellite is a systems management tool for Linux-based infrastructure. It allows for provisioning, remote management, and monitoring of multiple Linux deployments with a single centralized tool. Security Fixes: python-ecdsa...

libsepol security update

2.9-3 - cil: Fix out-of-bound read of file context pattern ending with '' - cil: Destroy classperms list when resetting classpermission 1983517 - cil: Destroy classperm list when resetting map perms 1983521 - cil: cilresetclasspermsset should not reset classpermission 1983525 - cil: Set class...

High-Severity Intel Processor Bug Exposes Encryption Keys

A security vulnerability in Intel chips opens the door for encrypted file access and espionage, plus the ability to bypass copyright protection for digital content. That’s according to Positive Technologies PT, which found that the vulnerability CVE-2021-0146 is a debugging functionality with...

Fedora: Security Advisory for webkit2gtk3 (FEDORA-2021-483d896d1d)

The remote host is missing an update for the Copyright C 2021 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...

Fedora: Security Advisory for webkit2gtk3 (FEDORA-2021-131360fa9a)

The remote host is missing an update for the Copyright C 2021 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...

Top 10 Cybersecurity Best Practices to Combat Ransomware

If you’re like most IT professionals, the threat of a ransomware attack might keep you up at night. And you have a valid reason to worry — ransomware doesn’t discriminate. Organizations across every industry, public or private, are potential victims, if they haven’t been victims already. In fact,...

Security Bulletin: IBM InfoSphere Information Server is vulnerable to Information disclosure (CVE-2021-38887)

Summary An Information disclosure vulnerability in IBM InfoSphere Information Server was addressed. Vulnerability Details CVEID: CVE-2021-38887 DESCRIPTION: IBM InfoSphere Information Server could allow an authenticated user to obtain sensitive information from application response requests that...

AZL-41261 CVE-2021-43519 affecting package ceph for versions less than 18.2.2-3

Stack overflow in luaresume of ldo.c in Lua Interpreter 5.1.05.4.4 allows attackers to perform a Denial of Service via a crafted script file...

Koppeling - Adaptive DLL Hijacking / Dynamic Export Forwarding

This project is a demonstration of advanced DLL hijack techniques. It was released in conjunction with the "Adaptive DLL Hijacking" blog post. I recommend you start there to contextualize this code. This project is comprised of the following elements: Harness.exe: The "victim" application which i...