Unix CUPS Unauthenticated RCE Zero-Day Vulnerabilities (CVE-2024-47076, CVE-2024-47175, CVE-2024-47176, CVE-2024-47177): All you need to know

On September 23rd, Twitter user Simone Margaritelli (@evilsocket) announced that he has discovered and privately disclosed a CVSS 9.9 GNU/Linux unauthenticated RCE, which affects almost all Linux distributions, and that the public disclosure will happen on September 30th, Due to a suspected leak in the disclosure process, @evilsocket decided to advance the disclosure, and on …

CVE-2024-38428 Wget Vulnerability: All you need to know

On Sunday, June 2nd 2024, a fix commit was pushed for a vulnerability in GNU’s popular Wget tool. Two weeks later, the vulnerability was assigned the ID CVE-2024-38428 and later was classified as a critical vulnerability – with a CVSS score of 9.1.  In this blog, we take a dive deep into this threat by …

*nix libX11: Uncovering and exploiting a 35-year-old vulnerability – Part 2 of 2

The JFrog Security research team has recently discovered two security vulnerabilities in X.Org libX11, the widely popular graphics library – CVE-2023-43786 and CVE-2023-43787 (with a high NVD severity CVSS 7.8). These vulnerabilities cause a denial-of-service and remote code execution. X11’s latest versions contain fixes for these vulnerabilities. The team constantly monitors open-source projects to find …

*nix libX11: Uncovering and exploiting a 35-year-old vulnerability – Part 1 of 2

The JFrog Security research team has recently discovered two security vulnerabilities in X.Org libX11, the widely popular graphics library – CVE-2023-43786 and CVE-2023-43787 (with a high NVD severity CVSS 7.8). These vulnerabilities cause a denial-of-service and remote code execution. X11’s latest versions contain fixes for these vulnerabilities. The team constantly monitors open-source projects to find …

Terrapin Attack

SSH protocol flaw – Terrapin Attack CVE-2023-48795: All you need to know

The SSH Terrapin attack (CVE-2023-48795) has recently caught attention, targeting the SSH protocol security by truncating cryptographic information. The inherent flaw in the SSH protocol itself affects a wide range of SSH client and server implementations. Following our initial research communication, this post will detail its fundamentals and impact. Affected Implementations Terrapin Attack Exploitation Impacts …

Contextual Analysis for Python, Java, and JavaScript with JFrog Frogbot

Contextual Analysis for Python, Java, and JavaScript Projects with JFrog Frogbot

When scanning packages, CVE (Common Vulnerabilities and Exposures) scanners can find thousands of vulnerabilities. This leaves developers with the painstaking task of sifting through long lists of vulnerabilities to identify the relevance of each, only to find that many vulnerabilities don’t affect their artifacts at all. Vulnerability Contextual Analysis uses the artifact context to eliminate …

Spring Security - CVE-2023-34034

Spring WebFlux – CVE-2023-34034 – Write-Up and Proof-of-Concept

Spring Security’s newly released versions contain a fix for a broken access control vulnerability – CVE-2023-34034 – which was given a critical NVD severity (CVSS 9.8) and a high severity by Spring’s maintainers. Given the severe potential impact of the vulnerability on Spring WebFlux applications (that use Spring Security for authentication and access control), its …

OpenSSH Pre-Auth Double Free CVE-2023-25136 Writeup and PoC

OpenSSH Pre-Auth Double Free CVE-2023-25136 – Writeup and Proof-of-Concept

OpenSSH’s newly released version 9.2p1 contains a fix for a double-free vulnerability. Given the severe potential impact of the vulnerability on OpenSSH servers (DoS/RCE) and its high popularity in the industry, this security fix prompted the JFrog Security Research team to investigate the vulnerability. This blog post provides details on the vulnerability, who is affected, …