A New Critical SolarWinds Zero-Day Vulnerability Under Active Attack

SolarWinds, the Texas-based company that became the epicenter of a massive supply chain attack late last year, has issued patches to contain a remote code execution flaw in its Serv-U managed file transfer service. The fixes, which target Serv-U Managed File Transfer and Serv-U Secure FTP product...

Siemens Solid Edge

1. EXECUTIVE SUMMARY CVSS v3 7.8 ATTENTION : Low attack complexity Vendor : Siemens Equipment : Solid Edge Vulnerabilities : Heap-based Buffer Overflow 2. RISK EVALUATION Successful exploitation of these vulnerabilities could result in an out-of-bounds write, a buffer overflow condition that may...

Kaseya Patches Zero-Days Used in REvil Attacks

Kaseya made good on its promise to issue patches by July 11. On Saturday, the company behind the Virtual System/Server Administrator VSA platform that got walloped by the REvil ransomware-as-a-service RaaS gang in a massive supply-chain attack released urgent updates to address critical zero-day...

Kaseya REvil Ransomware Attack (CVE-2021-30116) – Automatically Discover and Prioritize Using Qualys VMDR®

On July 2, 2021, Kaseya announced its software had been compromised and was being used to attack the IT infrastructure of its customers. The REvil ransomware attack leveraged multiple zero-day vulnerabilities in Kaseya’s VSA Virtual System/Server Administrator product that helps Kaseya customers ...

Details of the REvil Ransomware Attack

ArsTechnica has a good story on the REvil ransomware attack of last weekend, with technical details: This weekends attack was carried out with almost surgical precision. According to Cybereason, the REvil affiliates first gained access to targeted environments and then used the zero-day in the...

REvil Ransomware gang behind the Kaseya VSA Supply-Chain attack

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here. The REvil ransomware group was successful in carrying out a supply chain attack by exploiting the zero-day vulnerability CVE-2021-30116 in the Kaseya VSA server and delivering a malicious script to all the computer devices...

Analyzing the REvil Ransomware Attack

Over the past year, there has been a rise in extortion malware, e.g. Nefilim and Darkside, which steal and threaten to publish sensitive data or encrypt it until a ransom is paid. Nowadays, cybercriminals use various techniques to gain their initial foothold within a network in the organization...

Microsoft Windows Print Spooler RCE Vulnerability (PrintNightmare-CVE-2021-34527) – Automatically Discover, Prioritize and Remediate Using Qualys VMDR®

Update July 9, 2021: Added "Registry Settings Check After Installing the Updates" section below. Original Post: On June 29, 2021, a zero-day exploit was observed on Microsoft Windows systems which allows authenticated users with a regular Domain User account to gain full SYSTEM-level privileges. ...

Western Digital Users Face Another RCE

Bad news comes in threes, most particularly for Western Digital customers. As if things weren’t bad enough for the untold number of Western Digital customers whose data blinked out of existence last month, there’s another zero-day waiting for whoever can’t or won’t upgrade its My Cloud storage...

Kaseya Patches Imminent After Zero-Day Exploits

UPDATE 3 The worldwide July 2 attacks on the Kaseya Virtual System/Server Administrator VSA platform by the REvil ransomware gang turn out to be the result of exploits for at least one zero-day security vulnerability, and the company is swinging into full mitigation mode, with patches for the...

Episode 124: PrintNightmare 0Day Exploit Accidentally Leaked Online

Security researchers accidentally leaked zero-day exploit code for a new Windows bug, now called PrintNightmare, while easily exploitable vulnerabilities in the ProfilePress plugin, previously called WP User Avatar, were patched quickly. An unprotected cloud database containing over 814 million...

Another 0-Day Looms for Many Western Digital Users

Some of Western Digitals MyCloud-based data storage devices. Image: WD. Countless Western Digital customers saw their MyBook Live network storage drives remotely wiped in the past month thanks to a bug in a product line the company stopped supporting in 2015, as well as a previously unknown...

Zero-Day Used to Wipe My Book Live Devices

Western Digital will start providing free data-recovery services in July for people whose data was wiped off their network-attached storage NAS devices last week, the company said in an update on Tuesday. The company is also planning to offer a trade-in program to get customers onto the cloud –...

Mitigating attacks in serverless environments

Serverless computing has become the fastest-growing segment in the cloud services market. The benefits are clear and significant: cost savings and lower operational overhead, giving development teams full control over code and flexibility in the infrastructure. This also means that, in terms of...

Details of RCE Bug in Adobe Experience Manager Revealed

Details of an Adobe zero-day bug found in its content-management solution Adobe Experience Manager AEM, which affected customers ranging from Mastercard, LinkedIn and PlayStation, were revealed Monday. The bug, patched in May, allowed hackers to bypass authentication protection and execute code...

Watch Out! Zyxel Firewalls and VPNs Under Active Cyberattack

Taiwanese networking equipment company Zyxel is warning customers of an ongoing attack targeting a "small subset" of its security products such as firewall and VPN servers. Attributing the attacks to a "sophisticated threat actor," the firm noted that the attacks single out appliances that have...

Lexmark Printers Open to Arbitrary Code-Execution Zero Day

Lexmark printers – those ubiquitous, inky office workhorses that fill homes and offices, and are found all the way on up to the federal government – have an unpatched vulnerability that could lead to serious, easy-to-execute attacks that require neither privileges nor user interaction and which c...

Behind the scenes with the head of Kaspersky’s GReAT

Costin Raiu has been with Kaspersky since 2000, initially as the Chief Security Expert overseeing research efforts in the EEMEA region. In 2010, he became Director of our Global Research and Analysis Team GReAT. During his tenure at Kaspersky, he has spearheaded the companys research on some of t...

Exploitation of Accellion File Transfer Appliance

Summary This joint advisory is the result of a collaborative effort by the cybersecurity authorities of Australia,1 New Zealand,2 Singapore,3 the United Kingdom,4 and the United States.56 These authorities are aware of cyber actors exploiting vulnerabilities in Accellion File Transfer Appliance...

Microsoft SharePoint Unsafe Control And ViewState Remote Code Execution

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'http://microsoft.com/sharepoint/webpartpages', 'soap' = 'http://www.w3.org/2003/05/soap-envelope', 'xsi' =...