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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."
Publish Date : 2011-06-16 Last Update Date : 2020-09-28
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute Code

- Related OVAL Definitions

Title Definition Id Class Family
MS11-041: Vulnerability in Windows Kernel-Mode Drivers Could Allow Remote Code Execution (2525694) oval:gov.nist.fdcc.patch:def:11758 windows
Win32k OTF Validation Vulnerability oval:org.mitre.oval:def:12725 windows
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2011-1873

# Product Type Vendor Product Version Update Edition Language
1 OS Microsoft Windows 7 - * * * Version Details Vulnerabilities
2 OS Microsoft Windows 7 - SP1 X64 * Version Details Vulnerabilities
3 OS Microsoft Windows Server 2003 * SP2 * * Version Details Vulnerabilities
4 OS Microsoft Windows Server 2008 * * Itanium * Version Details Vulnerabilities
5 OS Microsoft Windows Server 2008 - SP2 Itanium * Version Details Vulnerabilities
6 OS Microsoft Windows Server 2008 R2 * Itanium * Version Details Vulnerabilities
7 OS Microsoft Windows Server 2008 R2 * X64 * Version Details Vulnerabilities
8 OS Microsoft Windows Vista * SP2 X64 * Version Details Vulnerabilities
9 OS Microsoft Windows Vista * SP1 X64 * Version Details Vulnerabilities
10 OS Microsoft Windows Xp - SP2 X64 * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Microsoft Windows 7 2
Microsoft Windows Server 2003 1
Microsoft Windows Server 2008 4
Microsoft Windows Vista 2
Microsoft Windows Xp 1

- References For CVE-2011-1873
XF ms-win-win32-otf-ce(67732)
BID 48183 Microsoft Windows 'win32k.sys' OpenType Font Parsing Remote Code Execution Vulnerability Release Date:2011-06-15
SECTRACK 1025638
OVAL oval:org.mitre.oval:def:12725
MS MS11-041

- Metasploit Modules Related To CVE-2011-1873

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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