CVE-2020-8178CWE-78

Insufficient input validation in npm package `jison` <= 0.4.18 may lead to OS command injection attacks

published July 15, 2020

CVSS
—
EPSS
4%
Percentile
89.5
In the wild
Unconfirmed
What it is

⚠️ A simple oversight in input validation opens the door for OS command injection in `jison` versions up to 0.4.18! Think of it like a restaurant that doesn’t double-check orders; a customer could sneak in a totally wrong dish and the chef would just serve it up, no questions asked! With this vulnerability, attackers could execute arbitrary commands on the operating system just by feeding malicious input to the `jison` parser. This could lead to data breaches, service interruptions, or even complete system compromise—yikes!

Put simply

Think of it like a restaurant that doesn’t double-check orders; a customer could sneak in a totally wrong dish and the chef would just serve it up, no questions asked! This issue arises from insufficient input validation in the `jison` npm package, which allows attackers to execute commands on the server by injecting them through crafted input meant for parsing.

What to do

With this vulnerability, attackers could execute arbitrary commands on the operating system just by feeding malicious input to the `jison` parser. This could lead to data breaches, service interruptions, or even complete system compromise—yikes! To protect your systems, update `jison` to version 0.4.19 or later to close this security hole. Additionally, review input validation practices in your applications to ensure safety from similar vulnerabilities. You’ve got this! Stay vigilant and keep your code secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03633 · 89.5th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2020-07-15T16:10Z
EPSS history
Timeline
  • 15 JUL 16:10Z
    Insufficient input validation in npm package `jison` <= 0.4.18 may lead to OS command injection attacks
    cvelistv5