CVE-2017-5946

The Zip::File component in the rubyzip gem before 1.2.1 for Ruby has a directory traversal vulnerability

published February 27, 2017

CVSS
—
EPSS
3%
Percentile
88.8
In the wild
Unconfirmed
What it is

⚠️ A sneaky directory traversal vulnerability lurks in the Ruby zip functionality! If your site accepts .zip uploads, you might just be inviting trouble. 🔥 Think of it like a delivery driver who hands over a package and pretends they’re delivering it to the right address while actually sneaking it into a restricted area—your filesystem! This vulnerability allows an attacker to manipulate file paths and write malicious files wherever they please. An attacker could exploit this flaw to upload harmful files to sensitive locations on your server, potentially leading to data breaches or the execution of malicious code. It's a sneaky way to gain access where they shouldn't, turning your server into their playground!

Put simply

Think of it like a delivery driver who hands over a package and pretends they’re delivering it to the right address while actually sneaking it into a restricted area—your filesystem! This vulnerability allows an attacker to manipulate file paths and write malicious files wherever they please. This directory traversal issue in the rubyzip gem allows attackers to use "../" substrings in file names to navigate the filesystem and write arbitrary files. It specifically affects versions before 1.2.1, making it a significant risk if you're using an outdated version.

What to do

An attacker could exploit this flaw to upload harmful files to sensitive locations on your server, potentially leading to data breaches or the execution of malicious code. It's a sneaky way to gain access where they shouldn't, turning your server into their playground! To secure your application, immediately update the rubyzip gem to version 1.2.1 or later. Additionally, implement strict validation on uploaded files to avoid malicious uploads and consider restricting the types of files accepted altogether. You've got this! With a quick update and some extra vigilance, you can keep your application secure and your users safe! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03441 · 88.8th percentile
Published
2017-02-27T07:25Z
EPSS history
Timeline
  • 27 FEB 07:25Z
    The Zip::File component in the rubyzip gem before 1.2.1 for Ruby has a directory traversal vulnerability
    cvelistv5