CVE-2011-1886: Null Pointer Dereference
First published: Wed Jul 13 2011(Updated: )
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."
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows XP | =sp3 |
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Reference Links
- http://support.avaya.com/css/P8/documents/100144947
- http://www.securityfocus.com/bid/48607
- http://secunia.com/advisories/45186
- http://osvdb.org/73791
- http://www.securitytracker.com/id?1025761
- http://www.us-cert.gov/cas/techalerts/TA11-193A.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12778
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-054
Frequently Asked Questions
What is the severity of CVE-2011-1886?
CVE-2011-1886 has a moderate severity rating due to its potential to allow local users to read kernel memory.
How do I fix CVE-2011-1886?
To fix CVE-2011-1886, apply the latest security updates and patches provided by Microsoft for Windows XP SP3.
Who is affected by CVE-2011-1886?
CVE-2011-1886 affects local users of Microsoft Windows XP Service Pack 3.
What are the potential impacts of CVE-2011-1886?
The potential impacts of CVE-2011-1886 include unauthorized access to sensitive kernel memory data.
Can CVE-2011-1886 be exploited remotely?
CVE-2011-1886 cannot be exploited remotely; it requires local access to the vulnerable system.
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