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Patch Tuesday, August 2018

Patch Tuesday, August 2018 Just as Defcon/BSides/BlackHat wraps up in Las Vegas, August's Patch Tuesday is here to remind us of the importance of patching. Today's release brings with it 4 "Defense in Depth" Advisories and patches for 60 CVEs....

SingHealth Data Breach – An Analytical Perspective

Executive Summary On July 20th 2018, the Singapore authorities announced1 that Singapore's largest healthcare group SingHealth was targeted by a major cyber-attack, resulting in a breach which affected about 1.5 million patients' records. The breach was described as unprecedented in...

Malicious SettingContent now delivered through PDF

Recently, a proof-of-concept emerged on how the filetype SettingContent can be abused when getting embedded in Microsoft Office Documents. SettingContent is a feature in Windows 10 which acts as a shortcut to different system settings. Legitimate examples of this can...

DanaBot Riding Fake MYOB Invoice Emails

Authors: Dr. Fahim Abbasi and Diana Lopera We recently observed phishing emails targeting Australian customers with fake MYOB invoices. Instead of the usual HTTP links, these emails were ridden with FTP links pointing to compromised FTP servers. While most of...

Inspecting Encrypted Network Traffic with JA3

Part of our job as security researchers is keeping up with new tools and techniques used to monitor for malicious or unauthorized activity. Strong encryption is an important security pillar that provides essential privacy and access controls, but of course...

Patch Tuesday, July 2018

July's Patch Tuesday is here with patches for 53 CVEs and the standard roll up of patches for critical remote code execution vulnerabilities in Adobe Flash. Of those 53 CVEs patched, 17 are rated "Critical", 34 are rated "Important" and...

Patch Tuesday, June 2018

For June's Patch Tuesday Microsoft is patching 50 CVEs and releasing 2 advisories. Adobe Flash is back, as always, with a roll up patch for multiple remote code execution vulnerabilities. Since a zero day remote code exploit was discovered in...

Adobe Flash Player 0-Day (CVE-2018-5002)

An Adobe advisory regarding a zero-day vulnerability in Adobe Flash Player was published late last week. In this advisory, Adobe states that it is aware of "limited, targeted attacks" exploiting the vulnerability with the attack vector being an office document,...

Underground Code of Honor

"We are all honorable men here, we do not have to give each other assurances as if we were lawyers." ― Mario Puzo, The Godfather In the seedy depths of the dark web you will find an underground subculture brimming...

Breakdown of the EFAIL Email Vulnerabilities

hullabaloo [huhl-uh-buh-loo], noun, plural hullabaloos. a clamorous noise or disturbance; uproar. Recently there has been a hullabaloo about a vulnerability called EFAIL, that, as is the fashion these days, came with its own website, and logo, here. EFAIL generated intense...

CVE-2018-8174 and Forcing Internet Explorer Exploits

A zero day exploit was discovered targeting trade agencies and other related organizations in China toward the end of April. The vulnerability is a Use-After-Free (UAF) memory corruption bug in the Microsoft VBScript engine. By taking advantage of the vulnerability,...

CVE-2018-1000136 - Electron nodeIntegration Bypass

A few weeks ago, I came across a vulnerability that affected all current versions of Electron at the time (< 1.7.13, < 1.8.4, and < 2.0.0-beta.3). The vulnerability allowed nodeIntegration to be re-enabled, leading to the potential for remote code execution. If you're unfamiliar with Electron, it is a popular framework that allows you to create cross-platform desktop applications using HTML, CSS, and JavaScript.

Patch Tuesday, May 2018

May's Patch Tuesday is here and it looks like these monthly releases have plateaued at around 70 CVEs patched per month. May comes in with 68 CVEs total including 21 rated "Critical", 44 rated "Important", and three rated "Low". Among...

"Drupalgeddon2" Recent Developments

Drupal, the popular Content Management System, (might) have seen better days. There's been a lot of attention to it lately in regards to a nasty Remote Code Execution (RCE) vulnerability. In particular a number of builds in the 7.x and...

WD My Cloud EX2 Serves Your Files to Anyone

Western Digital's My Cloud is a popular storage/backup device that lets users backup and store important documents, photos and media files. Unfortunately the default configuration of a new My Cloud EX2 drive allows any unauthenticated local network user to grab...