Welcome to today's edition of ONSEC Cyber Daily, where we unravel the intricate web of cyber threats and defenses. Today's spotlight is on a looming cyber storm brewing from the East. Iranian cyber actors are sharpening their digital swords, posing a significant threat to U.S. critical infrastructure. With advanced offensive capabilities, these cyber adversaries could potentially launch a full-scale cyberattack, prompting U.S. agencies to issue urgent warnings. As the digital battlefield heats up, the importance of separating security reality from hype becomes paramount. While Iranian hackers eye vulnerable industrial control systems, the cybersecurity community races against time to patch critical vulnerabilities. From Citrix NetScaler's buffer overflow flaws to Chrome's zero-day exploits, the urgency to fortify defenses has never been more pressing. Stay informed, stay secure, and join us as we navigate through today's cyber landscape, where every byte counts in the fight against cybercrime.

Exploits Alert

1. Iranian Cyber Threats: A Wake-Up Call for U.S. Critical Infrastructure!: U.S. agencies have issued warnings about potential cyberattacks from Iranian-affiliated actors targeting critical infrastructure. These actors possess advanced offensive capabilities that could lead to significant disruptions. Source
2. Agencies Release Fact Sheet on Potential Malicious Activity by Iranian Cyber Actors: The AHA has highlighted the threat posed by Iranian cyber actors who are capable of launching sophisticated attacks against U.S. infrastructure. This fact sheet serves as a crucial resource for understanding and mitigating these threats. Source
3. Iranian Hackers' Preferred ICS Targets Left Open Amid Fresh US Attack Warning: Despite repeated warnings, many industrial control systems (ICS) remain vulnerable to Iranian cyber threats. U.S. agencies emphasize the urgency of securing these systems to prevent potential attacks. Source
4. CISA Warns of Citrix NetScaler ADC and Gateway Vulnerability Actively Exploited in Attacks: CISA has issued an urgent warning about a critical vulnerability in Citrix NetScaler ADC and Gateway, which is being actively exploited. Organizations are urged to prioritize patching to mitigate the risk of cyberattacks. Source
5. CISA Alerts - Actively Exploited Citrix NetScaler ADC/Gateway Vulnerability: A critical buffer overflow vulnerability in Citrix NetScaler ADC and Gateway is being actively exploited, prompting CISA to issue a strong alert. Immediate action is recommended to protect against potential cyber threats. Source

Vulnerabilities & Patches

1. Zero‑Day in Chrome Being Actively Exploited for Remote Code Execution: Google has released an emergency patch for CVE-2025-6554, a high-severity type confusion vulnerability in Chrome's V8 JavaScript engine. This flaw allows remote code execution, making it critical for users to update their browsers immediately to prevent exploitation. Source: Cyber Press
2. Critical Flaws in IBM Cloud Pak System Allow Malicious HTML Injection: A vulnerability identified as CVE-2020-5258 in IBM Cloud Pak allows for malicious HTML injection due to a prototype pollution flaw. This could enable attackers to execute arbitrary code, emphasizing the need for immediate patching. Source: Cyber Press
3. Thousands of Citrix NetScaler Instances Remain Vulnerable: Despite the release of fixes, many Citrix NetScaler instances remain vulnerable to CVE-2025-6543, a critical DoS vulnerability. Organizations are urged to apply patches promptly to mitigate potential exploitation. Source: SC World
4. Sudo Local Privilege Escalation Vulnerabilities Fixed: Two vulnerabilities, CVE-2025-32462 and CVE-2025-32463, in the Sudo utility have been patched. These flaws could allow local privilege escalation, making it crucial for Linux users to update their systems. Source: Help Net Security
5. Django App Vulnerabilities Allow Remote Code Execution: A vulnerability in Django, tracked as CVE-2025-48432, allows remote code execution. Users are advised to upgrade to Django 5.2.3+ or apply security patches to mitigate the risk. Source: GBHackers

Podcasts

1. The AI Fix #57: AI is the best hacker in the USA, and self-learning AI: This podcast episode explores the evolving role of AI in cybersecurity, highlighting how AI systems are becoming adept at both defending and attacking digital infrastructures. The discussion delves into the potential of self-learning AI to outpace traditional cybersecurity measures, posing both opportunities and challenges for the industry. Source.
2. North Korea's Covert Coders Caught: In this episode, CyberWire delves into the recent uncovering of North Korean cyber operatives and their global hacking operations. The podcast provides insights into how these covert coders have been infiltrating systems worldwide, and the international efforts to counteract their activities. Source.
3. We Require 3-5 Years of Experience to Qualify for the Cyber Skills Shortage: This episode from the CISO Series Podcast addresses the ongoing cybersecurity skills shortage and the industry's high entry barriers. It discusses the paradox of requiring extensive experience for entry-level positions and explores potential solutions to bridge the skills gap. Source.
4. Google Chrome May Soon Turn Webpages Into Podcasts With AI Audio Overviews: This episode from Cyber Security News discusses Google's innovative approach to transforming web content into audio podcasts using AI. The feature aims to make information more accessible, allowing users to consume content in a more flexible manner. Source.
5. Google Chrome May Soon Turn Webpages Into Podcasts With AI Audio Overviews: Another take on Google's new feature, this episode further explores the implications of AI-generated audio content for accessibility and content consumption. It highlights the potential for AI to revolutionize how we interact with digital information. Source.

Final Words

As we wrap up today's edition of ONSEC Cyber Daily, it's clear that the digital landscape is fraught with challenges and opportunities. The recent warnings about Iranian cyber threats serve as a stark reminder of the vulnerabilities facing U.S. critical infrastructure. These developments underscore the importance of staying informed and vigilant in the ever-evolving world of cybersecurity. In this interconnected age, knowledge is our best defense. We encourage you to share this newsletter with your friends and colleagues. By spreading awareness, we can collectively fortify our defenses and stay one step ahead of potential threats. Together, let's navigate the complexities of cybersecurity and ensure a safer digital future for all. Thank you for being a part of our community. Stay safe, stay informed, and see you in the next issue!

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ONSEC.io | 1,839 followers on LinkedIn. Information security audits and penetration testing by a team of experts with an average experience of more than 7 years | ONSEC.io - is a penetration testing & in-depth security audit company with more than 13 years of experience on the market. Our team has already helped more than 300 companies be aware about possible system's vulnerabilities, including Republic, DMarket, LegionFarm, Parallels, Xsolla, Acronis, Manyсhat, Global Fashion Group and others. Our main goal is to increase the customer security level by finding and fixing security issues as well as improve security awareness inside the company, including developers, DevOps, and other teams to build a sustainable engineering culture with security knowledge.

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