CVE-2018-8540

A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka ".NET Framework Remote Code Injection…

published December 12, 2018

CVSS
—
EPSS
22%
Percentile
97.6
In the wild
Unconfirmed
What it is

🚨 A pesky input validation failure in the Microsoft .NET Framework could let attackers remotely execute code! Just imagine the chaos they could unleash! 🔥 Think of it as a restaurant kitchen that doesn't check ingredient quality before cooking. If a sneaky supplier sends in spoiled goods, they might end up on your plate! That's exactly how this vulnerability works—input isn't properly validated, leading to potential remote code execution. An attacker could send specially crafted input to the application, gaining the ability to run arbitrary code as the server user. This could lead to unauthorized data access, system control, or even the complete takeover of the server. That's absolutely devastating!

Put simply

Think of it as a restaurant kitchen that doesn't check ingredient quality before cooking. If a sneaky supplier sends in spoiled goods, they might end up on your plate! That's exactly how this vulnerability works—input isn't properly validated, leading to potential remote code execution. This remote code execution vulnerability in the .NET Framework arises from improper input validation, allowing attackers to manipulate execution paths and execute malicious code remotely. It affects multiple versions including 4.6, 3.5, and several 4.7.x versions.

What to do

An attacker could send specially crafted input to the application, gaining the ability to run arbitrary code as the server user. This could lead to unauthorized data access, system control, or even the complete takeover of the server. That's absolutely devastating! To protect yourself, ensure you upgrade to the latest version of the .NET Framework that patches this vulnerability. Regularly apply security updates, and conduct code audits on input handling to catch similar issues before they become a disaster. 🛡️ You've got this! By following these steps, you can safeguard your application and banish this vulnerability from your system! 😄

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.21575 · 97.6th percentile
Published
2018-12-12T00:00Z
EPSS history
Timeline
  • 12 DEC 00:00Z
    A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka ".NET Framework Remote Code Injection…
    cvelistv5