Explanation of the zero-day attack

What is a zero-day vulnerability? A zero-day weakness is an obscure security weakness or programming blemish that a danger entertainer can focus with noxious code. The expression “Zero-Day” is utilized in light of the fact that the product merchant was uninformed of their product weakness, and...

New Microsoft Exchange 'ProxyToken' Flaw Lets Attackers Reconfigure Mailboxes

Details have emerged about a now-patched security vulnerability impacting Microsoft Exchange Server that could be weaponized by an unauthenticated attacker to modify server configurations, thus leading to the disclosure of Personally Identifiable Information PII. The issue, tracked as...

Delta Electronics DOPSoft (Update A)

1. EXECUTIVE SUMMARY CVSS v3 7.8 ATTENTION: Low attack complexity Vendor: Delta Electronics Equipment: DOPSoft Vulnerability: Stack-based Buffer Overflow 2. UPDATE INFORMATION This updated advisory is a follow-up to the original advisory titled ICSA-21-238-04 Delta Electronics DOPSoft that was...

Windows 10 Admin Rights Gobbled by Razer Devices

A zero-day bug in the device installer software for Razer peripherals – be they a Razer mouse, keyboard or any device that uses the Synapse utility – gives the plugger-inner full admin rights on Windows 10, just by inserting a compatible peripheral and downloading Synapse. There’s apparently...

CVE-2021-37660

CVE-2021-37660 describes a division-by-zero flaw in TensorFlow’s inplace operations due to a logic error in inplace_ops.cc. The faulty condition uses || instead of &&, allowing a floating-point exception when crafted inputs are provided. The issue has been patched in the GitHub commit e86605c0a33...

Microsoft Warns: Another Unpatched PrintNightmare Zero-Day

One day after dropping its scheduled August Patch Tuesday update, Microsoft issued a warning about yet another unpatched privilege escalation/remote code-execution RCE vulnerability in the Windows Print Spooler that can be filed under the PrintNightmare umbrella. The news comes amid plenty of...

IT threat evolution Q2 2021

Targeted attacks The leap of a Cycldek-related threat actor It is quite common for Chinese-speaking threat actors to share tools and methodologies: one such example is the infamous "DLL side-loading triad": a legitimate executable, a malicious DLL to be side-loaded by it and an encoded payload,...

Critical Vulnerabilities revealed in Microsoft’s Patch Tuesday

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here. Multiple vulnerabilities have been patched by Microsoft in August 2021 Patch Tuesday. Three of them have been labeled as zero-day vulnerabilities CVE-2021-36936, CVE-2021-36942, and CVE-2021-36948. One of them CVE-2021-36948...

Microsoft Releases Windows Updates to Patch Actively Exploited Vulnerability

Microsoft on Tuesday rolled out security updates to address a total of 44 security issues affecting its software products and services, one of which it says is an actively exploited zero-day in the wild. The update, which is the smallest release since December 2019, squashes seven Critical and 37...

Actively Exploited Windows Zero-Day Gets a Patch

Microsoft has patched 51 security vulnerabilities in its scheduled August Patch Tuesday update, including seven critical bugs, two issues that were publicly disclosed but unpatched until now, and one that’s listed as a zero-day that has been exploited in the wild. Of note, there are 17...

Microsoft Patch Tuesday, August 2021 Edition

Microsoft today released software updates to plug at least 44 security vulnerabilities in its Windows operating systems and related products. The software giant warned that attackers already are pouncing on one of the flaws, which ironically enough involves an easy-to-exploit bug in the software...

Siemens JT2Go and Teamcenter Visualization (Update A)

1. EXECUTIVE SUMMARY CVSS v3 7.8 ATTENTION: Low attack complexity Vendor: Siemens Equipment: JT2Go & Teamcenter Visualization Vulnerabilities: Improper Check for Unusual or Exceptional Conditions, Out-of-bounds Write, Out-of-bounds Read 2. UPDATE INFORMATION This updated advisory is a follow-up...

Major Hospitals affected by PwnedPiper Vulnerabilities

THREAT LEVEL: White. For a detailed advisory, download the pdf file here. Multiple Zero-day vulnerabilities PwnedPiper have been found affecting the HMI-3 Control Panel of Swisslog Healthcare’s TransLogic Pneumatic Tube Systems PTS. PTS is a specialized system that uses compressor to transport...

Hackers Exploit Microsoft Browser Bug to Deploy VBA Malware on Targeted PCs

An unidentified threat actor has been exploiting a now-patched zero-day flaw in Internet Explorer browser to deliver a fully-featured VBA-based remote access trojan RAT capable of accessing files stored in compromised Windows systems, and downloading and executing malicious payloads as part of an...

Chinese Hackers Implant PlugX Variant on Compromised MS Exchange Servers

A Chinese cyberespionage group known for targeting Southeast Asia leveraged flaws in the Microsoft Exchange Server that came to light earlier this March to deploy a previously undocumented variant of a remote access trojan RAT on compromised systems. Attributing the intrusions to a threat actor...

Kaseya Unitrends has unpatched vulnerabilities that could help attackers expand a breach

It must not be easy to work at Kaseya right now. While they are working as hard as they can to help customers, and customers of their customers, recover from the REvil ransomware attack at the beginning of July, a new vulnerability in their software has been disclosed. As a sidenote, Kaseya...

Three Zero-Day Bugs Plague Kaseya Unitrends Backup Servers

There are three new, unpatched zero-day vulnerabilities in Kaseya Unitrends that include remote code execution RCE and authenticated privilege escalation on the client-side. The Dutch Institute for Vulnerability Disclosure DIVD on Monday issued a public advisory warning that the service and clien...

Apple Patches Actively Exploited Zero-Day in iOS, MacOS

Apple patched a zero-day flaw on Monday, found in both its iOS and macOS platforms that’s being actively exploited in the wild and can allow attackers to take over an affected system. The memory-corruption flaw, tracked as CVE-2021-30807, is found in the IOMobileFrameBuffer extension which exists...

Apple Releases Urgent 0-Day Bug Patch for Mac, iPhone and iPad Devices

Apple on Monday rolled out an urgent security update for iOS, iPadOS, and macOS to address a zero-day flaw that it said may have been actively exploited, making it the thirteenth such vulnerability Apple has patched since the start of this year. The updates, which arrive less than a week after th...

Delta Electronics DIAScreen

1. EXECUTIVE SUMMARY CVSS v3 7.8 ATTENTION: Low attack complexity Vendor: Delta Electronics Equipment: DIAScreen Vulnerabilities: Type Confusion, Out-of-bounds Write 2. RISK EVALUATION Successful exploitation of these vulnerabilities could crash the device being accessed and may allow remote code...