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Vulnerability Details : CVE-2011-1886

win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP3 does not properly validate the arguments to functions, which allows local users to read arbitrary data from kernel memory via a crafted application that triggers a NULL pointer dereference, aka "Win32k Incorrect Parameter Validation Allows Information Disclosure Vulnerability."
Publish Date : 2011-07-13 Last Update Date : 2011-10-04
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- CVSS Scores & Vulnerability Types

CVSS Score
2.1
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID CWE id is not defined for this vulnerability

- Related OVAL Definitions

Title Definition Id Class Family
win32k Incorrect Parameter Validation Allows Information Disclosure Vulnerability (CVE-2011-1886) oval:org.mitre.oval:def:12778 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-2011-1886

# Product Type Vendor Product Version Update Edition Language
1 OS Microsoft Windows Xp SP3 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Microsoft Windows Xp 1

- References For CVE-2011-1886

http://osvdb.org/73791
OSVDB 73791
http://support.avaya.com/css/P8/documents/100144947 CONFIRM
http://secunia.com/advisories/45186
SECUNIA 45186
http://www.securityfocus.com/bid/48607
BID 48607 Microsoft Windows Kernel 'Win32k.sys' (CVE-2011-1886) Local Information Disclosure Vulnerability Release Date:2011-07-13
http://technet.microsoft.com/en-us/security/bulletin/ms11-054
Microsoft Security Bulletin MS11-054 MS11-054 - Important : Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Elevation of Privilege (2555917) - Version: 1.0 Severity Rating: Important Revision Note: V1.0 (July 12, 2011): Bulletin published. Summary: This security update resolves 15 privately reported vulnerabilities in Microsoft Windows. The most severe of these vulnerabilities could allow elevation of privilege if an attacker logged on locally and ran a specially crafted application. An attacker must have valid logon credentials and be able to log on locally to exploit these vulnerabilities.Release Date:2011-07-12
http://www.us-cert.gov/cas/techalerts/TA11-193A.html
CERT TA11-193A
http://www.securitytracker.com/id?1025761
SECTRACK 1025761

- Metasploit Modules Related To CVE-2011-1886

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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