Patch Tuesday - April 2023

Microsoft is offering fixes for 114 vulnerabilities for April 2023 Patch Tuesday. This month’s haul includes a single zero-day vulnerability, as well as seven critical Remote Code Execution RCE vulnerabilities. There is a strong focus on fixes for Windows OS this month. Zero-day vulnerability: CL...

Nokoyawa ransomware attacks with Windows zero-day

Updated April 20, 2023 In February 2023, Kaspersky technologies detected a number of attempts to execute similar elevation-of-privilege exploits on Microsoft Windows servers belonging to small and medium-sized businesses in the Middle East, in North America, and previously in Asia regions. These...

CVE-2023-28252

Windows Common Log File System Driver Elevation of Privilege Vulnerability Recent assessments: ccondon-r7 at April 12, 2023 3:18pm UTC reported: This was discovered because of zero-day exploitation perpetrated by a skilled adversary — final payload was Nokoyawa ransomware in at least one case, as...

Apple Releases Updates to Address Zero-Day Flaws in iOS, iPadOS, macOS, and Safari

Apple on Friday released security updates for iOS, iPadOS, macOS, and Safari web browser to address a pair of zero-day flaws that are being exploited in the wild. The two vulnerabilities are as follows - CVE-2023-28205 - A use after free issue in WebKit that could lead to arbitrary code execution...

Apple Releases Updates to Address Zero-Day Flaws in iOS, iPadOS, macOS, and Safari

Apple on Friday released security updates for iOS, iPadOS, macOS, and Safari web browser to address a pair of zero-day flaws that are being exploited in the wild. The two vulnerabilities are as follows - CVE-2023-28205 - A use after free issue in WebKit that could lead to arbitrary code execution...

Protect Your Company: Ransomware Prevention Made Easy

Every year hundreds of millions of malware attacks occur worldwide, and every year businesses deal with the impact of viruses, worms, keyloggers, and ransomware. Malware is a pernicious threat and the biggest driver for businesses to look for cybersecurity solutions. Naturally, businesses want to...

Spyware Vendors Caught Exploiting Zero-Day Vulnerabilities on Android and iOS Devices

A number of zero-day vulnerabilities that were addressed last year were exploited by commercial spyware vendors to target Android and iOS devices, Google's Threat Analysis Group TAG has revealed. The two distinct campaigns were both limited and highly targeted, taking advantage of the patch gap...

Spyware Vendors Caught Exploiting Zero-Day Vulnerabilities on Android and iOS Devices

A number of zero-day vulnerabilities that were addressed last year were exploited by commercial spyware vendors to target Android and iOS devices, Google's Threat Analysis Group TAG has revealed. The two distinct campaigns were both limited and highly targeted, taking advantage of the patch gap...

CVE-2022-43612

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Corel CorelDRAW Graphics Suite 23.5.0.506. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific fla...

Hacks at Pwn2Own Vancouver 2023

An impressive array of hacks were demonstrated at the first day of the Pwn2Own conference in Vancouver: On the first day of Pwn2Own Vancouver 2023, security researchers successfully demoed Tesla Model 3, Windows 11, and macOS zero-day exploits and exploit chains to win $375,000 and a Tesla Model ...

A week in security (March 20 - 26)

Last week on Malwarebytes Labs: How to avoid potentially unwanted programs "ViLE" members posed as police officers and extorted victims Google reveals 18 chip vulnerabilities threatening mobile, wearables, vehicles A look at a Magecart skimmer using the Hunter obfuscator The NBA tells fans about...

Zero-day spells disaster for Bitcoin ATM

Bitcoin ATMs have experienced a severe bout of cash drain after a zero-day bug was exploited to steal a total of $1.5 million in digital currency. The ATMs, located in various convenience stores, function along the lines of regular banking ATMs except your dealings are all in the cryptocurrency...

UNC3886 targets technologies with custom malware and exploits zero-day vulnerabilities

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary UNC3886 is a cyber espionage Chinese group that targets technologies without EDR solutions and exploits zero-day vulnerabilities to steal user credentials and maintain access. To receive real-time threat...

From Ransomware to Cyber Espionage: 55 Zero-Day Vulnerabilities Weaponized in 2022

As many as 55 zero-day vulnerabilities were exploited in the wild in 2022, with most of the flaws discovered in software from Microsoft, Google, and Apple. While this figure represents a decrease from the year before, when a staggering 81 zero-days were weaponized, it still represents a significa...

From Ransomware to Cyber Espionage: 55 Zero-Day Vulnerabilities Weaponized in 2022

As many as 55 zero-day vulnerabilities were exploited in the wild in 2022, with most of the flaws discovered in software from Microsoft, Google, and Apple. While this figure represents a decrease from the year before, when a staggering 81 zero-days were weaponized, it still represents a significa...

Hackers Steal Over $1.6 Million in Crypto from General Bytes Bitcoin ATMs Using Zero-Day Flaw

Bitcoin ATM maker General Bytes disclosed that unidentified threat actors stole cryptocurrency from hot wallets by exploiting a zero-day security flaw in its software. "The attacker was able to upload his own java application remotely via the master service interface used by terminals to upload...

Hackers Steal Over $1.6 Million in Crypto from General Bytes Bitcoin ATMs Using Zero-Day Flaw

Bitcoin ATM maker General Bytes disclosed that unidentified threat actors stole cryptocurrency from hot wallets by exploiting a zero-day security flaw in its software. "The attacker was able to upload his own java application remotely via the master service interface used by terminals to upload...

Patch CVE-2023-23397 Immediately: What You Need To Know and Do

We break down the basic information of CVE-2023-23397, the zero-day, zero-touch vulnerability that was rated 9.8 on the Common Vulnerability Scoring System CVSS scale...

A week in security (March 13 - 19)

Last week on Malwarebytes Labs: "Brad Pitt," a still body, ketchup, and a knife, or the best trick ever played on a romance scammer, with Becky Holmes: Lock and Code S04E06 Breast cancer photos published by ransomware gang WhatsApp refuses to weaken encryption, would rather leave UK "Just awful"...

Chinese Hackers Exploit Fortinet Zero-Day Flaw for Cyber Espionage Attack

The zero-day exploitation of a now-patched medium-severity security flaw in the Fortinet FortiOS operating system has been linked to a suspected Chinese hacking group. American cybersecurity company Mandiant, which made the attribution, said the activity cluster is part of a broader campaign...