CVE-2001-0053

One-byte buffer overflow in replydirname function in BSD-based ftpd allows remote attackers to gain root privileges

published May 7, 2001

CVSS
—
EPSS
18%
Percentile
97.2
In the wild
Unconfirmed
What it is

⚠️ Just one byte is all it takes! A tiny buffer overflow in the BSD ftpd's replydirname function could let attackers seize root privileges — yikes! Think of it like a small crack in the foundation of a building; if left unchecked, it can lead to a massive collapse, allowing unwanted visitors to freely roam in your space. This vulnerability is that crack, and it’s surprisingly subtle! An attacker exploiting this vulnerability could gain full control over the system, potentially leading to unauthorized access to sensitive information or even altering critical files. This could be devastating for system integrity, leaving everything wide open!

Put simply

Think of it like a small crack in the foundation of a building; if left unchecked, it can lead to a massive collapse, allowing unwanted visitors to freely roam in your space. This vulnerability is that crack, and it’s surprisingly subtle! This vulnerability arises from a one-byte buffer overflow in the replydirname function of BSD-based ftpd, allowing attackers to manipulate memory and escalate their privileges to root level, which is the highest level of access.

What to do

An attacker exploiting this vulnerability could gain full control over the system, potentially leading to unauthorized access to sensitive information or even altering critical files. This could be devastating for system integrity, leaving everything wide open! To protect against this vulnerability, consider applying patches if available for your BSD-based systems. Additionally, reviewing configurations to limit services exposed to external access can help mitigate potential risks. You've got this! Stay vigilant and keep your systems secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.17929 · 97.2th percentile
Published
2001-05-07T04:00Z
EPSS history
Timeline
  • 07 MAY 04:00Z
    One-byte buffer overflow in replydirname function in BSD-based ftpd allows remote attackers to gain root privileges
    cvelistv5