CVE-2015-2479

The RyuJIT compiler in Microsoft .NET Framework 4.6 produces incorrect code during an attempt at optimization, which allows remote attackers to execute…

published August 15, 2015

CVSS
—
EPSS
17%
Percentile
97.0
In the wild
Unconfirmed
What it is

⚠️ A tiny hiccup in code optimization could lead to some serious trouble! The RyuJIT compiler in .NET Framework 4.6 has a flaw allowing crafty attackers to run arbitrary code through specially designed applications. 🔥 Think of the RyuJIT compiler like a chef that misreads the recipe. Instead of mixing the right ingredients, they accidentally create a dish that could cause chaos in the kitchen—like serving a soufflé that’s actually a fire hazard! If exploited, an attacker could execute any code they want, leading to complete control over the affected system. It's like giving someone the keys to the entire restaurant, even though they were only supposed to run the dishwasher!

Put simply

Think of the RyuJIT compiler like a chef that misreads the recipe. Instead of mixing the right ingredients, they accidentally create a dish that could cause chaos in the kitchen—like serving a soufflé that’s actually a fire hazard! This vulnerability arises because the RyuJIT compiler optimizes code incorrectly, allowing attackers to inject malicious instructions into a .NET application, leading to arbitrary code execution.

What to do

If exploited, an attacker could execute any code they want, leading to complete control over the affected system. It's like giving someone the keys to the entire restaurant, even though they were only supposed to run the dishwasher! To safeguard your systems, update your .NET Framework to the latest version, as Microsoft has addressed this issue in subsequent patches. Regularly review your application code for potential vulnerabilities and ensure security best practices are in place. You've got this! Stay proactive and your systems will be as safe as a well-guarded recipe box! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.16904 · 97.0th percentile
Published
2015-08-15T00:00Z
EPSS history
Timeline
  • 15 AUG 00:00Z
    The RyuJIT compiler in Microsoft .NET Framework 4.6 produces incorrect code during an attempt at optimization, which allows remote attackers to execute…
    cvelistv5