Microsoft patches a vulnerability that was used in MysterySnail RAT Campaign

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here. An APT espionage campaign leveraged a zero-day exploit for Microsoft Windows to escalate privileges and obtain access to Windows servers. The exploit chain culminated in the installation of a newly discovered remote access...

Microsoft Oct. Patch Tuesday Squashes 4 Zero-Day Bugs

Today is Microsoft’s October 2021 Patch Tuesday, and it delivers fixes for four zero-day vulnerabilities, one of which is being exploited in a far-reaching espionage campaign that delivers the new MysterySnail RAT malware to Windows servers. Microsoft reported a total of 74 vulnerabilities, three...

Patch Tuesday, October 2021 Edition

Microsoft today issued updates to plug more than 70 security holes in its Windows operating systems and other software, including one vulnerability that is already being exploited. This months Patch Tuesday also includes security fixes for the newly released Windows 11 operating system. Separatel...

Windows Zero-Day Actively Exploited in Widespread Espionage Campaign

Researchers have discovered a zero-day exploit for Microsoft Windows that was being used to elevate privileges and take over Windows servers as part of a Chinese-speaking advanced persistent threat APT espionage campaign this summer. The exploit chain ended with a freshly discovered remote access...

MysterySnail attacks with Windows zero-day

Executive Summary In late August and early September 2021, Kaspersky technologies detected attacks with the use of an elevation of privilege exploit on multiple Microsoft Windows servers. The exploit had numerous debug strings from an older, publicly known exploit for vulnerability CVE-2016-3309,...

Apple Releases Urgent iOS Updates to Patch New Zero-Day Bug

Apple on Monday rushed out a security update for iOS 15.0.2 and iPadOS 15.0.2 to fix a remote code-execution RCE zero-day vulnerability that’s being actively exploited. Within hours, a security researcher had picked the bug apart and published both proof-of-concept code and an explanation of the...

Apple Releases Urgent iPhone and iPad Updates to Patch New Zero-Day Vulnerability

Apple on Monday released a security update for iOS and iPad to address a critical vulnerability that it says is being exploited in the wild, making it the 17th zero-day flaw the company has addressed in its products since the start of the year. The weakness, assigned the identifier CVE-2021-30883...

Exploit for Path Traversal in Apache Http_Server

CVE-2021-41773|CVE-2021-42013: Path Traversal Zero-Day in Apac...

For Microsoft Exchange Server Vulnerabilities, Patching Remains Patchy

If you've been keeping tabs on the state of vulnerabilities, you've probably noticed that Microsoft Exchange has been in the news more than usual lately. Back in March 2021, Microsoft acknowledged a series of threats exploiting zero-day CVEs in on-premises instances of Exchange Server. Since then...

Multiple vulnerabilities have been discovered in the Apache HTTP Server

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here. There is a zero-day vulnerability CVE-2021-41773 and a DoS vulnerability CVE-2021-41524 in Apache HTTP servers. After a publicly disclosed exploit, the zero-day vulnerability has been actively exploited in the wild. The Hiv...

Apache Warns of Zero-Day Exploit in the Wild — Patch Your Web Servers Now!

Apache has issued patches to address two security vulnerabilities, including a path traversal and file disclosure flaw in its HTTP server that it said is being actively exploited in the wild. "A flaw was found in a change made to path normalization in Apache HTTP Server 2.4.49. An attacker could...

A week in security (Sept 27 – Oct 3)

Last week on Malwarebytes Labs Teaching cybersecurity skills to special needs children with Alana Robinson: Lock and Code S02E18 Phone screenshots accidentally leaked online by stalkerware-type company FoggyWeb, analysis of a Nobelium backdoor Instagram Kids put on hold Microsoft, CISA and NSA...

Another day, another zero-day for Google Chrome

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here. Google has published an emergency fix 94.0.4606.71 to address the latest zero-day vulnerabilities CVE 2021 37975, CVE 2021 37976. These are the fourth and fifth zero days of the month. These flaws have been exploited in the...

Update Google Chrome ASAP to Patch 2 New Actively Exploited Zero-Day Flaws

Google on Thursday pushed urgent security fixes for its Chrome browser, including a pair of new security weaknesses that the company said are being exploited in the wild, making them the fourth and fifth actively zero-days plugged this month alone. The issues, designated as CVE-2021-37975 and...

Apple AirTag Zero-Day Weaponizes Trackers

An unpatched stored cross-site scripting XSS bug in Apple’s AirTag “Lost Mode” could open up users to a cornucopia of web-based attacks, including credential-harvesting, click-jacking, malware delivery, token theft and more. That’s according to Bobby Rauch, an independent security researcher who...

Webstor - A Script To Quickly Enumerate All Websites Across All Of Your Organization'S Networks, Store Their Responses, And Query For Known Web Technologies, Such As Those With Zero-Day Vulnerabilities

WebStor is a tool implemented in Python under the MIT license for quickly enumerating all websites across all of your organization's networks, storing their responses, and querying for known web technologies and versions, such as those with zero-day vulnerabilities. It is intended, in particular,...

Defend against zero-day exploits with Microsoft Defender Application Guard

Zero-day security vulnerabilities—known to hackers, but unknown to software creators, security researchers, and the public—are like gold to attackers. With zero-days, or even zero-hours, developers have no time to patch the code, giving hackers enough access and time to explore and map internal...

Defend against zero-day exploits with Microsoft Defender Application Guard

Zero-day security vulnerabilities—known to hackers, but unknown to software creators, security researchers, and the public—are like gold to attackers. With zero-days, or even zero-hours, developers have no time to patch the code, giving hackers enough access and time to explore and map internal...

NSO Pegasus iPhone Spyware Vulnerabilities Fixed by Apple – Detect & Prioritize Using VMDR for Mobile Devices

Apple recently released iOS and iPadOS 12.5.5, 15.0, which includes a security update that addresses almost 25 vulnerabilities, including several critical RCE and privilege escalation vulnerabilities. In 12.5.5, Apple fixed 3 critical zero-day vulnerabilities, which are used to deploy NSO Pegasus...

Urgent Chrome Update Released to Patch Actively Exploited Zero-Day Vulnerability

Google on Friday rolled out an emergency security patch to its Chrome web browser to address a security flaw that's known to have an exploit in the wild. Tracked as CVE-2021-37973, the vulnerability has been described as use after free in Portals API, a web page navigation system that enables a...