Microsoft Releases Exchange On-premises Mitigation Tool

Microsoft has released the Exchange On-premises Mitigation Tool EOMT.ps1 that can automate portions of both the detection and patching process. Microsoft stated the following along with the release: "the tool is intended to help customers who do not have dedicated security or IT teams to apply...

Microsoft Exchange and Verkada Hacks: Isolate Your Apps and APIs from the Internet Cesspool

It's been an interesting start to March in terms of public security incidents. This month kicked off with multiple zero-day exploits being used to attack on-premises versions of Microsoft Exchange Server. And, as if that wasn't enough, that attack was quickly followed by the news that a hacktivis...

Cybersecurity Bug-Hunting Sparks Enterprise Confidence

Nearly three-quarters of IT security professionals 73 percent surveyed say they prefer to buy technology and services from vendors who are proactive about security, including leveraging ethical hacking and having transparent communications about vulnerabilities. But less than half of vendors...

SYS.2.3.A4

Der Client MUSS zeitnah rebootet werden, nachdem der Kernel des Betriebssystems aktualisiert wurde. Ist dies nicht moeglich, MUSS alternativ Live-Patching des Kernels aktiviert werden. SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, a...

Ransomware is targeting vulnerable Microsoft Exchange servers

The Microsoft Exchange attacks using the ProxyLogon vulnerability, and previously associated with the dropping of malicious web shells, are taking on a ransomware twist. Until now, the name of the game has been compromise and data exfiltration, with a bit of cryptomining on the side. To summarise...

TAU Threat Advisory: Microsoft Exchange Servers Targeted with Four Zero-day Exploits

The following advisory from VMware Threat Analysis Unit TAU is to provide guidance, best practices and capabilities to identify risk, prevent, detect and respond to this emerging threat. Summary On March 2, 2021 Microsoft announced four zero-day vulnerabilities CVE-2021-26855, CVE-2021-26857,...

CISA Orders Fed Agencies to Patch Exchange Servers

Hot on the heels of Microsoft’s announcement about active cyber-espionage campaigns that are exploiting four serious security vulnerabilities in Microsoft Exchange Server, the U.S. government is mandating patching for the issues. The news comes as security firms report escalating numbers of relat...

New Chrome 0-day Bug Under Active Attacks – Update Your Browser ASAP!

Exactly a month after patching an actively exploited zero-day flaw in Chrome, Google today rolled out fixes for yet another zero-day vulnerability in the world's most popular web browser that it says is being abused in the wild. Chrome 89.0.4389.72, released by the search giant for Windows, Mac,...

HAFNIUM targeting Exchange Servers with 0-day exploits

Update 03/08/2021: Microsoft continues to see multiple actors taking advantage of unpatched systems to attack organizations with on-premises Exchange Server. To aid defenders in investigating these attacks where Microsoft security products and tooling may not be deployed, we are releasing a feed ...

HAFNIUM targeting Exchange Servers with 0-day exploits

Update 03/08/2021: Microsoft continues to see multiple actors taking advantage of unpatched systems to attack organizations with on-premises Exchange Server. To aid defenders in investigating these attacks where Microsoft security products and tooling may not be deployed, we are releasing a feed ...

On-Premises Exchange Server Vulnerabilities Resource Center - updated March 25, 2021

On March 2nd, we released several security updates for Microsoft Exchange Server to address vulnerabilities that are being used in ongoing attacks. Due to the critical nature of these vulnerabilities, we recommend that customers protect their organizations by applying the patches immediately to...

CVE-2021-25281

An issue was discovered in through SaltStack Salt before 3002.5. salt-api does not honor eauth credentials for the wheelasync client. Thus, an attacker can remotely run any wheel modules on the master...

CVE-2021-21309

Redis is an open-source, in-memory database that persists on disk. In affected versions of Redis an integer overflow bug in 32-bit Redis version 4.0 or newer could be exploited to corrupt the heap and potentially result with remote code execution. Redis 4.0 or newer uses a configurable limit for...

Integer overflow

Redis is an open-source, in-memory database that persists on disk. In affected versions of Redis an integer overflow bug in 32-bit Redis version 4.0 or newer could be exploited to corrupt the heap and potentially result with remote code execution. Redis 4.0 or newer uses a configurable limit for...

CVE-2021-24085

Microsoft Exchange Server Spoofing Vulnerability Rapid7 Analysis Threat status: Impending CVE-2020-24085 is a Microsoft Exchange Server spoofing vulnerability released as part of Microsoft's February Patch Tuesday advisories. The vulnerability allows remote attackers to escalate privileges on...

Important: kernel-livepatch-4.14.209-160.339

Issue Overview: A flaw was found in the Linux kernel. A use-after-free memory flaw in the Fast Userspace Mutexes functionality allowing a local user to crash the system or escalate their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity ...

Mozilla Thunderbird Security Advisories (MFSA2021-06, MFSA2021-09) - Windows

Mozilla Thunderbird is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2021 Greenbone AG 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-only CPE = "cpe:/a:mozilla:thunderbird";...

Important: kernel-livepatch-4.14.209-160.335

Issue Overview: A flaw was found in the Linux kernel. A use-after-free memory flaw in the Fast Userspace Mutexes functionality allowing a local user to crash the system or escalate their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity ...

All Vulnerabilities for vajiramandravi.com Patched via Open Bug Bounty

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Affected Website:| vajiramandravi.com ---|--- Open Bug...

Important: kernel-livepatch-4.14.209-160.339

Issue Overview: A flaw was found in the Linux kernel's implementation of the Linux SCSI target host, where an authenticated attacker could write to any block on the exported SCSI device backing store. This flaw allows an authenticated attacker to send LIO block requests to the Linux system to...