Server-Side Request Forgery (SSRF) in bookstackapp/bookstack

✍️ Description User with "Editor" rights can create a special book page containing tag with "src" property pointing to any external or internal resource. Exporting this page using default domPdf will result in firing request from server side. 🕵️‍♂️ Proof of Concept Updating page with malicious...

CISA’s Top 30 Bugs: One’s Old Enough to Buy Beer

In a perfect world, CISA would laminate cards with the year’s top 30 vulnerabilities: You could whip it out and ask a business if they’ve bandaged these specific wounds before you hand over your cash. This is not a perfect world. There are no laminated vulnerability cards. But at least we have th...

Cisco ASA Bug Now Actively Exploited as PoC Drops

Researchers have dropped a proof-of-concept PoC exploit on Twitter for a known cross-site scripting XSS vulnerability in the Cisco Adaptive Security Appliance ASA. The move comes as reports surface of in-the-wild exploitation of the bug. Researchers at Positive Technologies published the PoC for...

CVE-2021-20025: SonicWall Email Security Appliance Backdoor Credential

The virtual, on-premises version of the SonicWall Email Security Appliance ships with an undocumented, static credential, which can be used by an attacker to gain root privileges on the device. This is an instance of CWE-798: Use of Hard-coded Credentials, and has an estimated CVSSv3 score of 9.1...

Critical RCE Vulnerability Found in VMware vCenter Server — Patch Now!

VMware has rolled out patches to address a critical security vulnerability in vCenter Server that could be leveraged by an adversary to execute arbitrary code on the server. Tracked as CVE-2021-21985 CVSS score 9.8, the issue stems from a lack of input validation in the Virtual SAN vSAN Health...

CISA Emergency Directive 21-03: VPN Vulnerabilities Actively Exploited

On April 20, 2021, the Department of Homeland Security Cybersecurity and Infrastructure Security Agency CISA released an alert on the exploitation of Pulse Connect Secure Vulnerabilities with Alert AA21-110A: Exploitation of Pulse Connect Secure Vulnerabilities, as well as Emergency Directive ED...

AM Live Vulnerability Management Conference Part 2: What was I talking about there

Hello all! It is the second part about AM Live Vulnerability Management conference. In the first part I made the timecodes for the 2 hours video in Russian. Here I have combined all my lines into one text. What is Vulnerability Management? Vulnerability Management process is the opposite of the...

AM Live Vulnerability Management Conference Part 1: Full video in Russian + Timecodes in English

Hello all! 2 weeks ago I participated in the best online event fully dedicated to Vulnerability Management in Russia. It was super fun and exciting. Thanks to all the colleagues and especially to Lev Paley for the great moderation! I have talked out completely. Everything I wanted and the way I...

Zero Trust: 7 adoption strategies from security leaders

Microsoft considers Zero Trust an essential component of any organization’s security plan. We have partnered with Cloud Security Alliance, a not-for-profit organization that promotes cloud computing best practices, to bring together executive security leaders to discuss and share insights about...

Campari Site Suffers Ransomware Hangover

Italian spirits brand Campari has restored its company website following a recent ransomware attack. According to the ransom note, the group behind the breach used Ragnar Locker to encrypt most of Campari’s servers and was holding the data hostage for $15 million in Bitcoin. Campari Group is behi...

The Network Perimeter: This Time, It’s Personal

In the rear-view mirror of history, the state of cybersecurity will not take top billing away from the COVID-19 pandemic. However, the one has been significantly affected by the other, and only time will tell what the full fallout will be. The first six months of 2020 saw significant developments...

Sandbox in security: what is it, and how it relates to malware

To better understand modern malware detection methods, it’s a good idea to look at sandboxes. In cybersecurity, the use of sandboxes has gained a lot of traction over the last decade or so. With the plethora of new malware coming our way every day, security researchers needed something to test ne...

SNIcat - Server Name Indication Concatenator

SNIcat is a proof of concept tool that performs data exfiltration, utilizing a covert channel method via. Server Name Indication , a TLS Client Hello Extension. The tool consists of an agent which resides on the compromised internal host, and a Command &Control Server which controls the agent and...

Fact vs. Fiction: 10 Endpoint Security Myths Debunked

Simply defined, endpoint security protects desktops, laptops, servers, and fixed-function devices from malicious internal and external threats. Endpoint security combines various threat detection, response and prevention technologies to help organizations disrupt cyberattacks. Despite the clear-c...

6 Best Practices to Fight a New Breed of Insider Threats

The current global pandemic has disrupted how organizations work. Some businesses quickly adapt while other organizations are still figuring out the new landscape. Unfortunately, criminals are exploiting vulnerabilities during this challenging time. There has been an 238% increase in cyberattacks...

Switching from a “Just in Time” delivery system should include planning ahead

As it becomes clear that some things will never again be the same after the global coronavirus pandemic, it is time to prepare for the future. The cybersecurity implications of upcoming changes will be most noticeable in organizations that rely on security models like the software defined...

Qualys Cloud Platform 10.1.0 New Features

The upcoming release of the Qualys Cloud Platform VM, PC, version 10.1.0, includes several new features and enhancements in Qualys Cloud Platform and Qualys Policy Compliance. This release will also add support for new technologies in Qualys Policy Compliance for OCA. 10.1.0 is scheduled to go li...

perimeterinstitute.ca Cross Site Scripting vulnerability

Security Researcher kun-fly Helped patch 589 vulnerabilities Received 7 Coordinated Disclosure badges Received 40 recommendations , a holder of 7 badges for responsible and coordinated disclosure, found a security vulnerability affecting perimeterinstitute.ca website and its users. Following...

Why Minimizing Human Error is the Only Viable Defense Against Spear Phishing

Phishing attacks have become one of the business world's top cybersecurity concerns. These social engineering attacks have been rising over the years, with the most recent report from the Anti-Phishing Working Group coalition identifying over 266,000 active spoofed websites, which is nearly doubl...

perimeterinstitute.ca Cross Site Scripting vulnerability

Open Bug Bounty ID: OBB-1101789 Security Researcher KhanJanny Helped patch 3070 vulnerabilities Received 9 Coordinated Disclosure badges Received 38 recommendations , a holder of 9 badges for responsible and coordinated disclosure, found a security vulnerability affecting perimeterinstitute.ca...