CVE-2009-0349

Stack-based buffer overflow in FTPShell Server 4.3 allows user-assisted remote attackers to cause a denial of service (persistent daemon crash) and possibly…

published January 29, 2009

CVSS
—
EPSS
6%
Percentile
93.2
In the wild
Unconfirmed
What it is

⚠️ A stack-based buffer overflow just waiting for a long licensing key to crash your FTPShell Server! 🚨 Think of it like a crowded elevator—if too many people (or in this case, characters) try to squeeze in, it can jam and leave everyone stuck. Just like that overloaded elevator, this vulnerability can cause a massive crash if exploited with an overly long input. An attacker could prompt the server to crash, causing a denial of service for legitimate users. In the worst-case scenario, if the attacker plays their cards right, they might execute arbitrary code, daring to claim control over your system!

Put simply

Think of it like a crowded elevator—if too many people (or in this case, characters) try to squeeze in, it can jam and leave everyone stuck. Just like that overloaded elevator, this vulnerability can cause a massive crash if exploited with an overly long input. This vulnerability in FTPShell Server 4.3 allows user-assisted remote attackers to exploit a stack-based buffer overflow by providing a long string in a .key (licensing key) file, leading to potential crashes and execution of arbitrary code.

What to do

An attacker could prompt the server to crash, causing a denial of service for legitimate users. In the worst-case scenario, if the attacker plays their cards right, they might execute arbitrary code, daring to claim control over your system! To mitigate this vulnerability, ensure you update to the latest version of FTPShell Server as patches may have been released since version 4.3. Additionally, always validate input lengths for licensing keys to prevent buffer overflow issues in the future. You've got this! Stay vigilant and proactive to keep your server safe! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.05859 · 93.2th percentile
Published
2009-01-29T19:00Z
EPSS history
Timeline
  • 29 JAN 19:00Z
    Stack-based buffer overflow in FTPShell Server 4.3 allows user-assisted remote attackers to cause a denial of service (persistent daemon crash) and possibly…
    cvelistv5