DDoS Attacks on Critical Infrastructure Re-shaping Geopolitical Conflicts
DDoS Attacks on Critical Infrastructure Reshaping Geopolitical Conflicts
Continue ReadingDDoS Attacks on Critical Infrastructure Reshaping Geopolitical Conflicts
Continue ReadingSummary
Microsoft’s February 2025 Patch Tuesday addresses multiple security vulnerabilities, including four zero-days, with two actively exploited in the wild. This update covers a total of 67 security flaws, with three classified as critical Remote Code Execution (RCE) vulnerabilities.
Microsoft issued a revision for an older zero-day that threatens the latest Windows desktop and server versions.
OEM | Microsoft |
Severity | Critical |
Date of Announcement | 2025-02-11 |
No. of Vulnerabilities Patched | 67 |
Actively Exploited | Yes |
Exploited in Wild | Yes |
Advisory Version | 1.0 |
Overview
The affected products include Windows, Microsoft Office, Microsoft Surface, and various network services. Organizations are strongly advised to apply these patches immediately to mitigate security risks and potential cyberattacks.
The highlighted vulnerabilities include 4 zero-day flaws, 2 of which are currently being actively exploited.
Vulnerability Name | CVE ID | Product Affected | Severity | CVSS Score |
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability | CVE-2025-21418 | Windows | High | 7.8 |
Windows Storage Elevation of Privilege Vulnerability | CVE-2025-21391 | Windows | High | 7.1 |
Microsoft Surface Security Feature Bypass Vulnerability | CVE-2025-21194 | Windows | High | 7.1 |
NTLM Hash Disclosure Spoofing Vulnerability | CVE-2025-21377 | Windows | Medium | 6.5 |
Technical Summary
CVE ID | System Affected | Vulnerability Details | Impact |
CVE-2025-21418 | Windows server and Windows 10 & 11 | Windows ancillary function driver for winsock elevation of privilege vulnerability enables attackers to escalate privileges to SYSTEM level. Specific exploitation details are not disclosed. | Unauthorized access with SYSTEM privileges. |
CVE-2025-21391 | Windows server and Windows 10 & 11 | Windows storage elevation of privilege vulnerability allows attackers to delete targeted files on a system, potentially leading to service unavailability. Does not expose confidential data. | Deletion of critical data, leading to service disruption. |
CVE-2025-21194 | Microsoft Surface | Microsoft surface security feature bypass vulnerability allows attackers to bypass UEFI protections, compromising the secure kernel. Likely related to “PixieFail” vulnerabilities affecting the IPv6 network stack in Tianocore’s EDK II firmware. | Bypass of security features, potentially compromising system integrity. |
CVE-2025-21377 | Windows server and Windows 10 & 11 | NTLM hash disclosure spoofing vulnerability exposes NTLM hashes when a user interacts with a malicious file. Simply selecting or right-clicking a file could trigger a remote connection, allowing an attacker to capture NTLM hashes for cracking or pass-the-hash attacks. | Potential for attackers to authenticate as the user, leading to unauthorized access. |
Source: Microsoft
In addition to the actively exploited vulnerabilities, several other critical flaws were also addressed:
Remediation:
Conclusion:
The February 2025 Patch Tuesday release addresses critical security vulnerabilities, including actively exploited zero-days. Timely application of these updates is essential to protect systems from potential threats. Organizations should review the affected products and implement the necessary patches and mitigations to maintain security integrity.
The attack vector is local, meaning the attacker needs local access — physically or remotely, using SSH method without user interaction and if successful in exploiting, can give the attacker system privileges.
References:
OEM | Apple |
Severity | High |
CVSS | Not Assigned |
CVEs | CVE-2025-24200 |
Exploited in Wild | No |
Patch/Remediation Available | Yes |
Advisory Version | 1.0 |
Overview
Apple has issued emergency security patches to mitigate a zero-day vulnerability, CVE-2025-24200, which has been actively exploited in sophisticated attacks targeting specific individuals. The flaw allows attackers to bypass USB Restricted Mode on a locked device, potentially exposing sensitive data. Initially identified by The Citizen Lab, this vulnerability is believed to have been leveraged in real-world scenarios against high-profile targets. Apple has responded by enhancing state management in iOS 18.3.1 and iPadOS 18.3.1 to prevent exploitation.
Vulnerability Name | CVE ID | Product Affected | Severity |
USB Restricted Mode Bypass Vulnerability | CVE-2025-24200 | Apple | High |
Technical Summary
The vulnerability, tracked as CVE-2025-24200, affects USB Restricted Mode, a security feature introduced in 2018 to prevent data transfer over USB when a device remains locked for seven days. A flaw in the Accessibility framework allows an attacker with physical access to disable USB Restricted Mode, bypassing this protection and potentially accessing sensitive data.
Apple has mentioned “This issue has been exploited in extremely sophisticated attacks against specific individuals.” The vulnerability was discovered by Bill Marczak, a senior researcher at The Citizen Lab.
CVE ID | System Affected | Vulnerability Details | Impact |
CVE-2025-24200 | iPhone XS and later iPad Pro (13-inch) iPad Pro 12.9-inch (3rd generation and later) iPad Pro 11-inch (1st generation and later) iPad Air (3rd generation and later) iPad (7th generation and later) iPad mini (5th generation and later) | A flaw in the Accessibility framework allows a physical attacker to disable USB Restricted Mode, bypassing protections designed to prevent unauthorized data transfer. | Unauthorized access to sensitive data |
Remediation:
Conclusion
The CVE-2025-24200 vulnerability poses a serious risk to device security, particularly for individuals targeted in sophisticated cyberattacks. While the exploitation has been limited to specific individuals, all users of affected devices should install the latest updates immediately to mitigate potential risks. Apple remains committed to user security by addressing vulnerabilities promptly and ensuring continuous protection against emerging threats.
References:
A critical remote code execution (RCE) vulnerability, CVE-2024-21413, affecting Microsoft Outlook has been actively exploited.
CISA has directed U.S. federal agencies to secure their systems against ongoing cyberattacks targeting this vulnerability, tracked as CVE-2024–21413. The flaw was originally discovered by Check Point vulnerability researcher Haifei Li and is a result of improper input validation when processing emails containing malicious links.
OEM | Microsoft |
Severity | Critical |
CVSS | 9.8 |
CVEs | CVE-2024-21413 |
Exploited in Wild | Yes |
Patch/Remediation Available | Yes |
Advisory Version | 1.0 |
Overview
The flaw allows attackers to bypass security protections, leading to NTLM credential theft and arbitrary code execution. The vulnerability is critical, and Microsoft has released patches to mitigate the risk.
Vulnerability Name | CVE ID | Product Affected | Severity |
Remote Code Execution Vulnerability | CVE-2024-21413 | Microsoft | Critical |
Technical Summary
The CVE-2024-21413 vulnerability arises due to improper input validation in Microsoft Outlook when handling emails containing malicious links. Exploitation of this flaw enables attackers to bypass Protected View, a security feature designed to prevent execution of harmful content embedded in Office files.
By manipulating URLs with the file:// protocol and inserting an exclamation mark followed by arbitrary text, attackers can evade Outlook’s built-in security measures, tricking users into opening malicious Office files in editing mode instead of read-only mode. The Preview Pane also serves as an attack vector, enabling zero-click exploitation. Here is the POC also available for this vulnerabilty.
CVE ID | System Affected | Vulnerability Details | Impact |
CVE-2024-21413 | Microsoft Office LTSC 2021, Microsoft 365 Apps, Microsoft Outlook 2016, Microsoft Office 2019 | Exploits improper input validation to bypass Outlook security protections using manipulated hyperlinks. | NTLM credential theft, remote code execution, potential full system compromise |
Remediation:
General Remediation:
Conclusion:
The exploitation of CVE-2024-21413 underscores the ongoing threat posed by improperly validated inputs in widely used enterprise software. With this vulnerability being actively exploited and the POC publicly available, organizations must prioritize patching, strengthen monitoring, and follow best security practices to minimize risks. CISA has included CVE-2024-21413 in its Known Exploited Vulnerabilities (KEV) catalog, emphasizing the need for immediate action.
References:
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