CVE-2011-1253

Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5.1, and 4, and Silverlight 4 before 4.0.60831, does not properly restrict inheritance, which allows…

published October 12, 2011

CVSS
—
EPSS
13%
Percentile
96.4
In the wild
Unconfirmed
What it is

⚠️ A crafty XAML application could allow attackers to run whatever code they please! This vulnerability in Microsoft .NET Framework is like leaving an open invitation for mischief-makers. 🔥 Think of it as a public park where anyone can set up a booth without any background checks—sounds harmless until someone sets up a booth selling mystery meat tacos! Without proper restrictions, remote attackers can take advantage of this vulnerability to execute arbitrary code. If exploited, an attacker could potentially execute malicious code on the target machine, leading to unauthorized access or even complete system compromise. This could spell disaster for sensitive data and operational integrity!

Put simply

Think of it as a public park where anyone can set up a booth without any background checks—sounds harmless until someone sets up a booth selling mystery meat tacos! Without proper restrictions, remote attackers can take advantage of this vulnerability to execute arbitrary code. The vulnerability arises from improper restriction on class inheritance in various versions of .NET Framework and Silverlight. This allows crafted applications to gain elevated privileges and execute arbitrary code.

What to do

If exploited, an attacker could potentially execute malicious code on the target machine, leading to unauthorized access or even complete system compromise. This could spell disaster for sensitive data and operational integrity! Ensure that you upgrade to the latest supported versions of the .NET Framework and Silverlight as soon as possible. Review and restrict application permissions and inheritance settings to minimize exposure to such vulnerabilities. You're on the right track! By addressing this issue, you're boosting your security defenses like a champ! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.13241 · 96.4th percentile
Published
2011-10-12T01:00Z
EPSS history
Timeline
  • 12 OCT 01:00Z
    Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5.1, and 4, and Silverlight 4 before 4.0.60831, does not properly restrict inheritance, which allows…
    cvelistv5