Vulnerability Details : CVE-2011-1873
win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 on 64-bit platforms does not properly validate pointers during the parsing of OpenType (aka OTF) fonts, which allows remote attackers to execute arbitrary code via a crafted font file, aka "Win32k OTF Validation Vulnerability."
Vulnerability category: Input validationExecute code
Products affected by CVE-2011-1873
- cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:itanium:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:r2:*:x64:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:r2:*:itanium:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_7:-:sp1:x64:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-1873
26.35%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 97 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-1873
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.3
|
HIGH | AV:N/AC:M/Au:N/C:C/I:C/A:C |
8.6
|
10.0
|
NIST |
CWE ids for CVE-2011-1873
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The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-1873
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http://secunia.com/advisories/44893
Sign in
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https://exchange.xforce.ibmcloud.com/vulnerabilities/67732
Microsoft Windows Win32k OTF code execution CVE-2011-1873 Vulnerability Report
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https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-041
Microsoft Security Bulletin MS11-041 - Critical | Microsoft Docs
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http://www.securityfocus.com/bid/48183
Microsoft Windows 'win32k.sys' OpenType Font Parsing Remote Code Execution Vulnerability
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https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12725
Repository / Oval Repository
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http://www.securitytracker.com/id?1025638
Windows Kernel Memory Corruption Error in Win32k.sys Lets Remote Users Execute Arbitrary Code - SecurityTracker
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