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Vulnerability

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.

XML external entity injection vulnerability in OpenNMS

OpenNMS is a Java language open source network monitoring platform. The OpenNMS platform monitors some of the largest networks in the Fortune 500, covering the healthcare, technology, energy, finance, government, education, retail, and industrial sectors, many with tens of thousands of networked devices.

Priorities from the OpenSSF Secure Open Source Software Summit 2023

Snyk has been a long-time active participant in and sponsor of the Open Source Security Foundation (OpenSSF). We’re there because we believe in supporting its mission of securing the open source ecosystem. A recent summit meeting convened by the OpenSSF with the White House brought together various US Government departments for a chat about open source security.

High severity vulnerability found in libcurl and curl (October 2023)

On October 3, 2023, Daniel Stenberg, the long-time curl maintainer and original author, published a note on both LinkedIn and X (formerly Twitter) regarding the shipping of curl version 8.4.0, which will contain a fix for "probably the worst security problem found in curl in a long time." This issue should be taken seriously as curl maintainers have been vocal about downplaying the risk associated with most vulnerabilities reported against curl in the past (a recent example is the article CVE-2020-1990

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.

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.