CVE-2016-3227

Use-after-free vulnerability in the DNS Server component in Microsoft Windows Server 2012 Gold and R2 allows remote attackers to execute arbitrary code via…

published June 16, 2016

CVSS
—
EPSS
25%
Percentile
97.9
In the wild
Unconfirmed
What it is

⚠️ A carefully crafted DNS request is all it takes to trigger this use-after-free vulnerability in Windows Server 2012! 🚨 Think of the DNS Server as a restaurant kitchen that mistakenly allows a chef to reuse an empty pot that was just cleaned — if a prankster orders a dish using that pot, they could cook up something hazardous instead! 🍽️ If exploited, this vulnerability could allow attackers to run arbitrary code on the server, potentially disrupting services or leaking sensitive data. It’s like having a rogue chef who can serve whatever they want without following safety protocols!

Put simply

Think of the DNS Server as a restaurant kitchen that mistakenly allows a chef to reuse an empty pot that was just cleaned — if a prankster orders a dish using that pot, they could cook up something hazardous instead! 🍽️ This flaw arises from improper memory management in the DNS Server component, allowing remote attackers to execute arbitrary code by sending specially crafted DNS requests.

What to do

If exploited, this vulnerability could allow attackers to run arbitrary code on the server, potentially disrupting services or leaking sensitive data. It’s like having a rogue chef who can serve whatever they want without following safety protocols! To protect your systems, apply the latest Windows Server updates immediately and consider implementing additional security measures, like firewall rules to limit exposure. Regularly audit your DNS settings as part of your security hygiene! You've got this! By taking these steps, you're well on your way to securing your server and keeping those pesky attackers at bay! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.25462 · 97.9th percentile
Published
2016-06-16T01:00Z
EPSS history
Timeline
  • 22 SEP 03:12Z
    EPSS moved 25% → 41%
    epss
  • 06 SEP 03:09Z
    EPSS moved 25% → 41%
    epss
  • 30 AUG 15:31Z
    EPSS moved 41% → 25%
    epss
  • 29 AUG 04:11Z
    EPSS moved 25% → 41%
    epss
  • 16 JUN 01:00Z
    Use-after-free vulnerability in the DNS Server component in Microsoft Windows Server 2012 Gold and R2 allows remote attackers to execute arbitrary code via…
    cvelistv5