CVE-2020-8087

SMC Networks D3G0804W D3GNV5M-3.5.1.6.10_GA devices allow remote command execution by leveraging access to the Network Diagnostic Tools screen, as demonstrated…

published January 27, 2020

CVSS
—
EPSS
6%
Percentile
93.6
In the wild
Unconfirmed
What it is

⚠️ A crafty parameter pollution vulnerability in SMC Networks devices could let sneaky attackers execute commands remotely — like a magician pulling rabbits out of hats through a hidden trapdoor! 🎩 Think of it like an overly chatty customer at a restaurant who keeps placing orders for the kitchen without any checks. When the waiter doesn’t verify, the kitchen might serve up something totally unexpected and out of control! An attacker could exploit this vulnerability to remotely execute commands on the device, potentially gaining unauthorized access to sensitive settings or information. This means they could play puppet master, manipulating the device without anyone being the wiser!

Put simply

Think of it like an overly chatty customer at a restaurant who keeps placing orders for the kitchen without any checks. When the waiter doesn’t verify, the kitchen might serve up something totally unexpected and out of control! By exploiting the Network Diagnostic Tools screen, an attacker can leverage the parameter pollution technique. By providing the vlu_diagnostic_tools__ping_address parameter twice, they can insert shell metacharacters and command names, leading to unauthorized command execution.

What to do

An attacker could exploit this vulnerability to remotely execute commands on the device, potentially gaining unauthorized access to sensitive settings or information. This means they could play puppet master, manipulating the device without anyone being the wiser! To safeguard against this vulnerability, update your SMC Networks device to the latest firmware that addresses this issue. Additionally, consider implementing input validation to filter out harmful commands in parameters. Stay vigilant and review security settings regularly! This is fixable! Follow the steps above, and you’ll keep those crafty attackers at bay! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.06347 · 93.6th percentile
Published
2020-01-27T19:45Z
EPSS history
Timeline
  • 27 JAN 19:45Z
    SMC Networks D3G0804W D3GNV5M-3.5.1.6.10_GA devices allow remote command execution by leveraging access to the Network Diagnostic Tools screen, as demonstrated…
    cvelistv5