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Microsoft Issues Emergency Patch For Under-Attack IE Zero Day

Microsoft Issues Emergency Patch For Under-Attack IE Zero Day
Dec 20, 2018
Microsoft today issued an out-of-band security update to patch a critical zero-day vulnerability in Internet Explorer (IE) Web browser that attackers are already exploiting in the wild to hack into Windows computers. Discovered by security researcher Clement Lecigne of Google's Threat Analysis Group, the vulnerability, tracked as CVE-2018-8653, is a remote code execution (RCE) flaw in the IE browser's scripting engine. According to the advisory, an unspecified memory corruption vulnerability resides in the scripting engine JScript component of Microsoft Internet Explorer that handles execution of scripting languages. If exploited successfully, the vulnerability could allow attackers to execute arbitrary code in the context of the current user. "If the current user is logged on with administrative user rights, an attacker who successfully exploited the vulnerability could take control of an affected system. An attacker could then install programs; view, change,

Microsoft Internet Explorer Universal Cross-Site Scripting Flaw

Microsoft Internet Explorer Universal Cross-Site Scripting Flaw
Feb 04, 2015
A serious vulnerability has been discovered in all the latest versions of Microsoft's Internet Explorer that allows malicious hackers to inject malicious code into users' websites and steal cookies, session and login credentials. UNIVERSAL XSS BUG WITH SAME ORIGIN POLICY BYPASS The vulnerability is known as a Universal Cross Site Scripting (XSS) flaw. It allows attackers to bypass the Same-Origin Policy, a fundamental browser security mechanism, in order to launch highly credible phishing attacks or hijack users' accounts on any website. The Same Origin Policy is one of the guiding principles that seek to protect users' browsing experience. SOP actually prevents one site from accessing or modifying the browser properties, such as cookies, location, response etc, by any other site, ensuring that no third-party can inject code without the authorization of the owner of the website. DEMONSTRATION Recently, a proof-of-concept exploit published by a group, known as Deusen, sho

Making Sense of Operational Technology Attacks: The Past, Present, and Future

Making Sense of Operational Technology Attacks: The Past, Present, and Future
Mar 21, 2024Operational Technology / SCADA Security
When you read reports about cyber-attacks affecting operational technology (OT), it's easy to get caught up in the hype and assume every single one is sophisticated. But are OT environments all over the world really besieged by a constant barrage of complex cyber-attacks? Answering that would require breaking down the different types of OT cyber-attacks and then looking back on all the historical attacks to see how those types compare.  The Types of OT Cyber-Attacks Over the past few decades, there has been a growing awareness of the need for improved cybersecurity practices in IT's lesser-known counterpart, OT. In fact, the lines of what constitutes a cyber-attack on OT have never been well defined, and if anything, they have further blurred over time. Therefore, we'd like to begin this post with a discussion around the ways in which cyber-attacks can either target or just simply impact OT, and why it might be important for us to make the distinction going forward. Figure 1 The Pu

New Zero-Day Vulnerability CVE-2014-1776 Affects all Versions of Internet Explorer Browser

New Zero-Day Vulnerability CVE-2014-1776 Affects all Versions of Internet Explorer Browser
Apr 27, 2014
Microsoft confirmed a new Zero Day critical vulnerability in its browser Internet Explorer . Flaw affects all versions of Internet Explorer, starting with IE version 6 and including IE version 11. In a Security Advisory ( 2963983 ) released yesterday, Microsoft acknowledges a zero-day Internet Explorer vulnerability ( CVE-2014-177 6) is being used in targeted attacks by APT groups, but the currently active attack campaigns are targeting IE9, IE10 and IE11. INTERNET EXPLORER 0-DAY VULNERABILITY (CVE-2014-1776) According to Advisory, Internet Explorer is vulnerable to Remote Code Execution, which resides ' in the way that Internet Explorer accesses an object in memory that has been deleted or has not been properly allocated. ' Microsoft said. Microsoft Investigation team is currently working with FireEye Security experts, and dubbed the ongoing targeted campaign as " Operation Clandestine Fox ". In a blogpost , FireEye explained that an attacker c

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