Company
Date Published
Author
Uriya Yavnieli, JFrog Security Researcher
Word count
1682
Language
English
Hacker News points
None

Summary

The JFrog Security Research team has analyzed a vulnerability in the Golang programming language that affects Docker containers using Go versions prior to 1.16.9 or 1.17.2, emphasizing the importance of accurate CVE ratings and context in risk assessment. Known as CVE-2021-38297, this critical vulnerability involves the potential for an attacker to execute arbitrary WebAssembly (Wasm) code by overriding an entire Wasm module with malicious code, impacting both client-side environments, with a medium severity due to sandbox limitations, and server-side environments, with high severity due to the potential for remote code execution. Although the vulnerability was patched by adjusting memory address checks in Go's Wasm execution, mitigation strategies include using global variables instead of command-line parameters to prevent buffer overflows. While JFrog's DevOps Platform is unaffected by this vulnerability, their Xray SCA tool offers security insights and contextual analysis for better threat prioritization and management.