CVE-2019-11682

A buffer overflow in the SMTP response service in MailCarrier 2.51 allows the attacker to execute arbitrary code remotely via a long HELP command, a related…

published May 2, 2019

CVSS
—
EPSS
3%
Percentile
88.1
In the wild
Unconfirmed
What it is

⚠️ A lengthy HELP command is all it takes for an attacker to exploit this buffer overflow in MailCarrier 2.51! Imagine a sneaky guest at a restaurant ordering an endless stream of appetizers, overwhelming the kitchen and causing chaos! 🍽️ This buffer overflow is like a restaurant's staff being too accommodating, letting a customer keep ordering without a limit. Eventually, the kitchen can't handle the workload, resulting in a mess of lost orders and, worse, mistakes that could affect the whole dining experience. If exploited, an attacker could execute arbitrary code remotely, potentially taking complete control of the affected server! This means they could access sensitive information, disrupt services, or even worse—wipe everything clean. Talk about a nightmare scenario! 😱

Put simply

This buffer overflow is like a restaurant's staff being too accommodating, letting a customer keep ordering without a limit. Eventually, the kitchen can't handle the workload, resulting in a mess of lost orders and, worse, mistakes that could affect the whole dining experience. This vulnerability occurs in the SMTP response service of MailCarrier 2.51, where a maliciously long HELP command can trigger a buffer overflow, allowing an attacker to run arbitrary code on the server.

What to do

If exploited, an attacker could execute arbitrary code remotely, potentially taking complete control of the affected server! This means they could access sensitive information, disrupt services, or even worse—wipe everything clean. Talk about a nightmare scenario! 😱 To mitigate this risk, it's crucial to patch MailCarrier to the latest version immediately. Also, consider implementing input validation to restrict command lengths and monitor for unusual activity. Don't underestimate the power of a well-timed update! 🔧 You've got this! By following these steps, you're well on your way to securing your system like a pro! 💪🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03218 · 88.1th percentile
Published
2019-05-02T15:03Z
EPSS history
Timeline
  • 02 MAY 15:03Z
    A buffer overflow in the SMTP response service in MailCarrier 2.51 allows the attacker to execute arbitrary code remotely via a long HELP command, a related…
    cvelistv5