CVE-2019-6503

There is a deserialization vulnerability in Chatopera cosin v3.10.0

published January 22, 2019

CVSS
—
EPSS
2%
Percentile
82.6
In the wild
Unconfirmed
What it is

⚠️ A crafty file upload is all it takes for an attacker to execute commands on the server! This sneaky deserialization vulnerability in Chatopera cosin v3.10.0 is a reminder that not all heroes wear capes — some carry malicious files. 🔥 Think of this vulnerability as a food delivery service that accepts any dish without checking the ingredients beforehand. If someone orders a dish with a secret ingredient that causes havoc in the kitchen, it’s game over! An attacker could upload a maliciously crafted file to execute arbitrary commands on the server, potentially gaining full control over the application. This could lead to data leaks, unauthorized access, or even total server compromise — that's absolutely devastating!

Put simply

Think of this vulnerability as a food delivery service that accepts any dish without checking the ingredients beforehand. If someone orders a dish with a secret ingredient that causes havoc in the kitchen, it’s game over! This deserialization flaw occurs in the TemplateController.java impsave method, allowing attackers to run commands during server-side deserialization by uploading specially constructed files. It’s a recipe for disaster when user input isn't verified properly.

What to do

An attacker could upload a maliciously crafted file to execute arbitrary commands on the server, potentially gaining full control over the application. This could lead to data leaks, unauthorized access, or even total server compromise — that's absolutely devastating! To secure your system, immediately patch to the latest version of Chatopera cosin if available, and implement strict file validation checks for any uploaded content. Regularly audit your application for security vulnerabilities to keep it robust! This is fixable! Follow these steps to reinforce your defenses and keep your application safe. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02232 · 82.6th percentile
Published
2019-01-22T14:00Z
EPSS history
Timeline
  • 22 JAN 14:00Z
    There is a deserialization vulnerability in Chatopera cosin v3.10.0
    cvelistv5