microsoft windows-server-2008 CVE-2011-1236 vulnerability in Microsoft Products
Published on April 13, 2011

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Use-after-free vulnerability in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that leverages incorrect driver object management, a different vulnerability than other "Vulnerability Type 1" CVEs listed in MS11-034, aka "Win32k Use After Free Vulnerability."

Vendor Advisory NVD

Vulnerability Analysis

CVE-2011-1236 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Dangling pointer Vulnerability?

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

CVE-2011-1236 has been classified to as a Dangling pointer vulnerability or weakness.


Products Associated with CVE-2011-1236

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Microsoft Windows Server 2008
 
Microsoft Windows XP
 
Microsoft Windows 7
 
Microsoft Windows Vista
 
Microsoft Windows Server 2003
 
Microsoft Windows 2003 Server
 

Exploit Probability

EPSS
1.05%
Percentile
77.31%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.