CVE-2014-4121

Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized resource identifiers, which allows remote…

published October 15, 2014

CVSS
—
EPSS
19%
Percentile
97.3
In the wild
Unconfirmed
What it is

⚠️ A crafty crafted request can unlock the door to chaos! This .NET Framework vulnerability allows remote attackers to execute arbitrary code or cause service disruptions. 🔥 Think of it like a restaurant where a customer can order a dish that the chef didn't consider — the wrong ingredient could lead to a disaster in the kitchen! In this case, a specially crafted request can mess with the .NET web application's memory, leading to unpredictable outcomes. If left unchecked, an attacker might exploit this issue to execute any code they choose, potentially compromising sensitive data or causing a complete service outage. It's like a fire in the kitchen that could burn up not just the meal, but the entire restaurant!

Put simply

Think of it like a restaurant where a customer can order a dish that the chef didn't consider — the wrong ingredient could lead to a disaster in the kitchen! In this case, a specially crafted request can mess with the .NET web application's memory, leading to unpredictable outcomes. This vulnerability arises because Microsoft .NET Framework fails to properly parse internationalized resource identifiers, allowing attackers to manipulate requests to execute arbitrary code or trigger memory corruption in web applications.

What to do

If left unchecked, an attacker might exploit this issue to execute any code they choose, potentially compromising sensitive data or causing a complete service outage. It's like a fire in the kitchen that could burn up not just the meal, but the entire restaurant! To mitigate this risk, update your .NET Framework to the latest versions that address this vulnerability. Regularly review and sanitize input data to ensure that malicious requests cannot impact your application's integrity. Don't forget to monitor logs for any unusual activity! You've got this! With a few updates and some vigilance, you can keep your applications safe and sound. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.19227 · 97.3th percentile
Published
2014-10-15T10:00Z
EPSS history
Timeline
  • 15 OCT 10:00Z
    Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized resource identifiers, which allows remote…
    cvelistv5