CVE-2012-1855

Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, and 4.5 does not properly handle function pointers, which allows remote attackers to execute arbitrary code…

published June 12, 2012

CVSS
—
EPSS
20%
Percentile
97.5
In the wild
Unconfirmed
What it is

⚠️ A crafty XAML browser application can become a hacker's playground! This .NET Framework vulnerability opens the door for remote code execution, and it’s hiding in plain sight. 🔍 Think of it like a restaurant where the chef trusts any order that comes in without verifying it—one bad recipe could lead to a disastrous kitchen experience. In this case, the function pointers in the .NET Framework are your chefs, serving up potentially harmful code without a second glance. An attacker could exploit this vulnerability to execute arbitrary code on vulnerable systems, which could lead to unauthorized access, data breaches, or even complete system compromise. If the wrong code gets served, it could wreak havoc just like a malfunctioning kitchen appliance during a dinner rush!

Put simply

Think of it like a restaurant where the chef trusts any order that comes in without verifying it—one bad recipe could lead to a disastrous kitchen experience. In this case, the function pointers in the .NET Framework are your chefs, serving up potentially harmful code without a second glance. The vulnerability stems from improper handling of function pointers in Microsoft .NET Framework versions 2.0 SP2, 3.5, 3.5.1, 4, and 4.5. Attackers can leverage this flaw through crafted XBAPs or .NET Framework applications, allowing them to execute arbitrary code remotely.

What to do

An attacker could exploit this vulnerability to execute arbitrary code on vulnerable systems, which could lead to unauthorized access, data breaches, or even complete system compromise. If the wrong code gets served, it could wreak havoc just like a malfunctioning kitchen appliance during a dinner rush! To mitigate this risk, ensure your .NET Framework is updated to the latest version. Regularly review and audit the applications using these frameworks to identify and patch any vulnerabilities quickly. Keep an eye out for any security updates from Microsoft that address this issue. You've got this! Stay proactive, and you'll be the hero keeping your systems secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.20496 · 97.5th percentile
Published
2012-06-12T22:00Z
EPSS history
Timeline
  • 12 JUN 22:00Z
    Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, and 4.5 does not properly handle function pointers, which allows remote attackers to execute arbitrary code…
    cvelistv5