Attackers Actively Target Windows Installer Zero-Day

Attackers are actively exploiting a Windows Installer zero-day vulnerability that was discovered when a patch Microsoft issued for another security hole inadequately fixed the original and unrelated problem. Over the weekend, security researcher Abdelhamid Naceri discovered a Windows Installer...

Microsoft could not patch this vulnerability

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here. Microsoft released patches for 44 vulnerabilities on November 9th. CVE-2021-41379 was among them. However, installing this patch does not completely eliminate the vulnerability. An exploit for a new Windows zero-day local...

Attackers exploiting zero-day vulnerability in Windows Installer — Here’s what you need to know and Talos’ coverage

Cisco Talos is releasing new SNORTⓇ rules to protect against the exploitation of a zero-day elevation of privilege vulnerability in Microsoft Windows Installer. This vulnerability allows an attacker with a limited user account to elevate their privileges to become an administrator. This... This i...

A week in security (Nov 15 – Nov 21)

Last week on Malwarebytes Labs Instagram’s memorialize feature abused to memorialize…Instagram’s boss Evasive manoeuvres: HTML smuggling explained FBI server hijacked to send up to 100,000 bogus attack mails New Mac malware raises more questions about Apple’s security patching SharkBot Android...

FBI Issues Flash Alert on Actively Exploited FatPipe VPN Zero-Day Bug

The U.S. Federal Bureau of Investigation FBI has disclosed that an unidentified threat actor has been exploiting a previously unknown weakness in the FatPipe MPVPN networking devices at least since May 2021 to obtain an initial foothold and maintain persistent access into vulnerable networks,...

FBI: FatPipe VPN Zero-Day Exploited by APT for 6 Months

A threat actor has been exploiting a zero-day vulnerability in FatPipe’s virtual private network VPN devices as a way to breach companies and gain access to their internal networks, since at least May, the FBI has warned. “As of November 2021, FBI forensic analysis indicated exploitation of a 0-d...

Randori discovered Zero-day in Palo Alto’s GlobalProtect Firewall, affecting ~10,000 assets.

Outline Palo Alto Networks PAN released an update on November 10, 2021, that patched CVE-2021-3064, which was discovered and disclosed by Randori. This vulnerability affects PAN firewalls that use the GlobalProtect Portal VPN, and it allows for unauthenticated remote code execution on susceptible...

A week in security (Nov 8 – Nov 14)

Last week on Malwarebytes Labs Multiple video games break after domain name snafu How to remove adware on an Android phone Smart TV adverts put a wrinkle in your programming Are cybercriminals turning away from the US and targeting Europe instead? Patch now! Microsoft plugs actively exploited...

A zero-day vulnerability has been discovered in PAN’s GlobalProtect firewall

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here. Palo Alto Networks PAN released an update on November 10, 2021, that patched CVE-2021-3064, which was discovered and disclosed by Randori. This vulnerability affects PAN firewalls that use the GlobalProtect Portal VPN, and ...

Windows 10 Privilege-Escalation Zero-Day Gets Unofficial Fix

A partially unpatched security bug in Windows that could allow local privilege escalation from a regular user to System remains unaddressed fully by Microsoft – but an unofficial micropatch from oPatch has hit the scene. The bug CVE-2021-34484 was originally disclosed and patched as part of...

Mac Zero Day Targets Apple Devices in Hong Kong

Since at least late August, attackers have been using flaws in macOS and iOS – including in-the-wild use of what was then a zero-day flaw – to install a backdoor on the Apple devices of users who visited Hong Kong-based media and pro-democracy sites. This isn’t a finely targeted campaign, but it’...

MacOS Zero-Day Used against Hong Kong Activists

Google researchers discovered a MacOS zero-day exploit being used against Hong Kong activists. It was a "watering hole" attack, which means the malware was hidden in a legitimate website. Users visiting that website would get infected. From an article: Googles researchers were able to trigger the...

Hackers Exploit macOS Zero-Day to Hack Hong Kong Users with new Implant

Google researchers on Thursday disclosed that it found a watering hole attack in late August exploiting a now-patched zero-day in macOS operating system and targeting Hong Kong websites related to a media outlet and a prominent pro-democracy labor and political group to deliver a never-before-see...

Palo Alto Warns of Zero-Day Bug in Firewalls Using GlobalProtect Portal VPN

A new zero-day vulnerability has been disclosed in Palo Alto Networks GlobalProtect VPN that could be abused by an unauthenticated network-based attacker to execute arbitrary code on affected devices with root user privileges. Tracked as CVE-2021-3064 CVSS score: 9.8, the security weakness impact...

Mozilla Firefox Security Advisory (MFSA2014-72) - Linux

This host is missing a security update for Mozilla Firefox. Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; y...

Microsoft Issues Patches for Actively Exploited Excel, Exchange Server 0-Day Bugs

Microsoft has released security updates as part of its monthly Patch Tuesday release cycle to address 55 vulnerabilities across Windows, Azure, Visual Studio, Windows Hyper-V, and Office, including fixes for two actively exploited zero-day flaws in Excel and Exchange Server that could be abused t...

Microsoft Patch Tuesday, November 2021 Edition

Microsoft Corp. today released updates to quash at least 55 security bugs in its Windows operating systems and other software. Two of the patches address vulnerabilities that are already being used in active attacks online, and four of the flaws were disclosed publicly before today -- potentially...

12 New Flaws Used in Ransomware Attacks in Q3

A dozen new vulnerabilities were used in ransomware attacks this quarter, bringing the total number of bugs associated with ransomware to 278. That’s a 4.5 percent increase over Q2, according to researchers. Five of the newbies can be used to achieve remote code execution RCE, while two can be us...

Siemens NX OBJ Translator

1. EXECUTIVE SUMMARY CVSS v3 7.8 ATTENTION: low attack complexity Vendor: Siemens Equipment: NX Vulnerabilities: Use After Free, Access of Uninitialized Pointer 2. RISK EVALUATION Successful exploitation of these vulnerabilities could lead to an access violation and arbitrary code execution on...

Siemens NX JT Translator

1. EXECUTIVE SUMMARY CVSS v3 3.3 ATTENTION: Low attack complexity Vendor: Siemens Equipment: NX Vulnerabilities: Out-of-bounds Read, Access of Uninitialized Pointer 2. RISK EVALUATION Successful exploitation of these vulnerabilities could lead to access violation and arbitrary code execution on...