CVE-2011-4130

Use-after-free vulnerability in the Response API in ProFTPD before 1.3.3g allows remote authenticated users to execute arbitrary code via vectors involving an…

published December 6, 2011

CVSS
—
EPSS
13%
Percentile
96.2
In the wild
Unconfirmed
What it is

⚠️ A crafty use-after-free in ProFTPD could let remote authenticated users execute arbitrary code! This makes it a surprising risk for FTP transfers! 🔥 Imagine a banquet where the guests can take a seat at the dinner table but, after they're done eating, someone forgets to clear their spot. This oversight allows someone else to sit down and claim whatever's left — a tasty opportunity for mischief! An attacker, after successfully transferring data, could exploit this vulnerability to run arbitrary code on the server, potentially leading to full control of the FTP service. This could mean unauthorized access to files and data, putting the entire server's integrity in jeopardy!

Put simply

Imagine a banquet where the guests can take a seat at the dinner table but, after they're done eating, someone forgets to clear their spot. This oversight allows someone else to sit down and claim whatever's left — a tasty opportunity for mischief! This use-after-free vulnerability in the Response API of ProFTPD allows authenticated users to manipulate memory after it has been freed, which can lead to arbitrary code execution during or after an FTP data transfer.

What to do

An attacker, after successfully transferring data, could exploit this vulnerability to run arbitrary code on the server, potentially leading to full control of the FTP service. This could mean unauthorized access to files and data, putting the entire server's integrity in jeopardy! Update ProFTPD to version 1.3.3g or later immediately to close this gap. Regularly audit your FTP configurations and user permissions to minimize risks. Implement additional monitoring for unusual activities during FTP transfers. You're on the right track! Address this vulnerability and you'll boost your security posture significantly! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.12625 · 96.2th percentile
Published
2011-12-06T11:00Z
EPSS history
Timeline
  • 06 DEC 11:00Z
    Use-after-free vulnerability in the Response API in ProFTPD before 1.3.3g allows remote authenticated users to execute arbitrary code via vectors involving an…
    cvelistv5