CVE-2021-38297 - Analysis of a Go Web Assembly vulnerability

CVE-2021-38297 – Analysis of a Go Web Assembly vulnerability

The JFrog Security Research team continuously monitors reported vulnerabilities in open-source software (OSS) to help our customers and the wider community be aware of potential software supply chain security threats and their impact. In doing so, we often notice important trends and key learnings worth highlighting. The following analysis of a vulnerability discovered in the …

JNDI - Unauthenticated RCE in H2 Database Console

CVE-2022-21449 “Psychic Signatures”: Analyzing the New Java Crypto Vulnerability

A few days ago, security researcher Neil Madden published a blog post, in which he provided details about a newly disclosed vulnerability in Java, CVE-2022-21449 or “Psychic Signatures”. This security vulnerability originates in an improper implementation of the ECDSA signature verification algorithm, introduced in Java 15. This vulnerability allows an attacker to potentially intercept communication …

CVE-2022-24675 – Stack overflow (exhaustion) in Go’s PEM decoder

A few days ago it was reported that the new Go versions 1.18.1 and 1.17.9 contain fixes for a stack overflow vulnerability in the encoding/pem builtin package, in the Decode function. Given the high popularity of Go among our customers and in the industry at large, this update led us to investigate the vulnerability in …

SpringShell "Spring4Shell" Zero-Day Vulnerability

SpringShell (Spring4Shell) Zero-Day Vulnerability CVE-2022-22965 : All You Need To Know

On March 29th, the cyberkendra security blog posted a sensational post about a Log4Shell-equivalent remote code execution (RCE) zero-day vulnerability in Spring Framework, but without any solid details about the vulnerability itself. The security vulnerability was nicknamed “SpringShell” (or “Spring4Shell”) , due to its alleged significance likening the infamous “Log4Shell.” A day later, on March …

DirtyPipe

DirtyPipe (CVE-2022-0847) – the new DirtyCoW?

A few days ago, security researcher Max Kellermann published a vulnerability named DirtyPipe which was designated as CVE-2022-0847. This vulnerability affects the Linux kernel and if exploited, can allow a local attacker to gain root privileges. The vulnerability gained extensive media follow-up, since it affects all Linux-based systems with a 5.8 or later kernel, without …

Critical Samba Vulnerability

CVE-2021-44142: Critical Samba Vulnerability Allows Remote Code Execution

Recently, a critical out-of-bounds vulnerability, assigned to CVE-2021-44142, was disclosed in Samba versions prior to 4.13.17. The Samba vulnerability carries a critical CVSS of 9.9 and allows attackers to remotely execute code on machines running a Samba server with a vulnerable configuration. The vulnerability was disclosed as part of the Pwn2Own Austin competition where researchers …

CVE-2022-0185 Linux Kernel Vulnerability

The Impact of CVE-2022-0185 Linux Kernel Vulnerability on Popular Kubernetes Engines

Last week, a critical vulnerability identified as CVE-2022-0185 was disclosed, affecting Linux kernel versions 5.1 to 5.16.1. The security vulnerability is an integer underflow in the Filesystem Context module that allows a local attacker to run arbitrary code in the context of the kernel, thus leading to privilege escalation, container environment escape, or denial of …