CVE-2005-4459

Heap-based buffer overflow in the NAT networking components vmnat.exe and vmnet-natd in VMWare Workstation 5.5, GSX Server 3.2, ACE 1.0.1, and Player 1.0…

published December 21, 2005

CVSS
—
EPSS
14%
Percentile
96.6
In the wild
Unconfirmed
What it is

⚠️ A heap-based buffer overflow in VMWare’s networking components could let hackers execute arbitrary code—like giving your pet hamster a remote control! 🐹💥 Think of this vulnerability like a faulty water pipe in a huge hotel; if it bursts, it could flood several rooms, causing chaos all around. In this case, attackers can craft specific FTP commands to trigger the overflow, leading to unauthorized actions. If exploited, an authenticated attacker could gain control over the machine, running any code they desire—imagine a thief wandering through your hotel, unlocking any door without a key! This could result in data breaches, system instability, or worse, a complete takeover of your virtual environment.

Put simply

Think of this vulnerability like a faulty water pipe in a huge hotel; if it bursts, it could flood several rooms, causing chaos all around. In this case, attackers can craft specific FTP commands to trigger the overflow, leading to unauthorized actions. This vulnerability occurs in the NAT networking components (vmnat.exe and vmnet-natd) of VMWare products, where crafted EPRT and PORT FTP commands can manipulate memory allocation, leading to a buffer overflow and potential code execution.

What to do

If exploited, an authenticated attacker could gain control over the machine, running any code they desire—imagine a thief wandering through your hotel, unlocking any door without a key! This could result in data breaches, system instability, or worse, a complete takeover of your virtual environment. To protect against this vulnerability, ensure you’re using the latest versions of VMWare Workstation or Player; apply any available updates immediately. Additionally, restrict access to trusted users only, and monitor network traffic for suspicious FTP commands that could trigger this overflow. You've got this! With the right updates and precautionary measures, you can keep your systems safe and sound. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.14235 · 96.6th percentile
Published
2005-12-21T20:00Z
EPSS history
Timeline
  • 21 DEC 20:00Z
    Heap-based buffer overflow in the NAT networking components vmnat.exe and vmnet-natd in VMWare Workstation 5.5, GSX Server 3.2, ACE 1.0.1, and Player 1.0…
    cvelistv5