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Cisco VPN Zero-Day exploited by ransomware gangs (CVE-2023-20269) - Insights and best practices for defense Copy

In the tech security scene, we’re always on the lookout for new vulnerabilities, especially when they are already exploited in the wild. The latest zero-day CVE-2023-20269 is hitting Cisco’s Adaptive Security Appliance VPN features. The attack surface scan conducted by IONIX research on a sample of organizations indicates that 13% of these appliances are potentially vulnerable through at least one interface.

All Cloudflare Customers Protected from Atlassian Confluence CVE-2023-22515

On 2023-10-04 at 13:00 UTC, Atlassian released details of the zero-day vulnerability described as “Privilege Escalation Vulnerability in Confluence Data Center and Server” (CVE-2023-22515), a zero-day vulnerability impacting Confluence Server and Data Center products. Cloudflare was warned about the vulnerability before the advisory was published and worked with Atlassian to proactively apply protective WAF rules for all customers.

Rhadamanthys malware analysis: How infostealers use VMs to avoid analysis

The infostealer malware Rhadamanthys was discovered in the last quarter of 2022. Its capabilities showed a special interest in crypto currency wallets, targeting both wallet clients installed in the victim’s machine and browser extensions. The main distribution methods observed for this threat are fake software websites promoted through Google Ads, and phishing emails, without discriminating by region or vertical.

Announcing IaC+ early access: Secure your infrastructure configurations across the SDLC

Designing and maintaining secure infrastructure configurations from code to cloud is a complex process involving multiple technical teams and security stakeholders. The first challenge is writing secure infrastructure configurations pre-deployment.

Does AI lead to AppSec hell or nirvana?

The use of artificial intelligence in every area of life — from writing papers to maintaining critical infrastructure to manufacturing goods — is a controversial topic. Some are excited about the possibilities that come with AI/ML tech, while others are fearful and reticent. These differing opinions raise a fundamental question: will AI turn our modern-day society into a utopia or a dystopia?

CVE-2023-4863: Critical Vulnerability in Widely Used libwebp Library

On September 7, 2023, Apple released emergency security updates to fix a buffer overflow vulnerability (CVE-2023-41064) impacting macOS, iOS, iPadOS, and watchOS products that was used in a zero-click exploitation chain by the NSO Group. Shortly after, on September 11, 2023, Google released an update to fix a buffer overflow vulnerability (CVE-2023-4863) in Google Chrome, which was reported by Apple’s Security Engineering and Architecture (SEAR) and Citizen Lab.

CVE-2023-40044, CVE-2023-42657: Two Critical Vulnerabilities Impacting Progress WS_FTP Server

On September 27, 2023, Progress Software released a security advisory detailing multiple vulnerabilities in their WS_FTP Server product, including two with a critical severity rating. CVE-2023-40044 (CVSS 10) is a deserialization vulnerability that affects the Ad Hoc Transfer module and could allow a threat actor to obtain remote code execution if successfully exploited.

CVE-2023-42115: Critical RCE Vulnerability in Exim

On October 2, 2023, Exim released security fixes for an out-of-bounds write remote code execution (RCE) vulnerability (CVE-2023-42115, CVSS: 9.8). This vulnerability affects the Simple Mail Transfer Protocol (SMTP) service and is caused by improper validation of user input. A threat actor can remotely exploit CVE-2023-42115 by writing data beyond the boundaries of a buffer, which leads to the execution of arbitrary code.

Modern VS Code extension development tutorial: Building a secure extension

The widespread success and influence of Microsoft Visual Studio (VS) Code can be largely credited to its extensibility. While it's often categorized as a code editor, with the right knowledge and extensions, it can be so much more. For instance, it can also be used as a web browser, word processor, or file-management system. Microsoft also encourages developers to take advantage of VS Code's extensibility by making the VS Code API as accessible as possible.