CVE-2020-28636CWE-129

A code execution vulnerability exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1

Critical · published March 4, 2021

CVSS v3.0
10.0
EPSS
3%
Percentile
86.7
In the wild
Unconfirmed
What it is

🚨 A tiny mistake in CGAL's polygon parsing could lead to devastating code execution! Just one malicious input, and an attacker might have complete control. 🔥 Think of it like a restaurant where the chef blindly follows a recipe without checking the ingredients — one bad spice can spoil the entire dish. Here, a single malformed input could send the program spiraling into chaos! An attacker could exploit this vulnerability to execute arbitrary code, potentially taking over the system entirely. This could lead to unauthorized access, data breaches, or even complete system compromise, making it a monumental risk!

Put simply

Think of it like a restaurant where the chef blindly follows a recipe without checking the ingredients — one bad spice can spoil the entire dish. Here, a single malformed input could send the program spiraling into chaos! CVE-2020-28636 stems from an out-of-bounds read vulnerability in the Nef polygon-parsing functionality of CGAL libcgal version 5.1.1. The flaw occurs when the SNC_io_parser::read_sloop() function tries to access memory outside its designated area, allowing an attacker to trigger code execution with malicious input.

What to do

An attacker could exploit this vulnerability to execute arbitrary code, potentially taking over the system entirely. This could lead to unauthorized access, data breaches, or even complete system compromise, making it a monumental risk! Immediate action is essential! Upgrade to CGAL version 5.1.2 or later, where this vulnerability has been patched. Additionally, conduct a thorough review of your input validation processes to ensure robustness against similar issues in the future. You've got this! By following these steps, you'll be a security hero in no time! 🛡️

The record
Technical detail
CVSS v3.0
10.0 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02878 · 86.7th percentile
Weakness
CWE-129 · Improper Validation of Array Index
Published
2021-03-04T00:00Z
EPSS history
Timeline
  • 04 MAR 00:00Z
    A code execution vulnerability exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1
    cvelistv5