CVE-2011-1888: Null Pointer Dereference
First published: Wed Jul 13 2011(Updated: )
win32k.sys in the kernel-mode drivers in Microsoft 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 triggers a NULL pointer dereference, a different vulnerability than other CVEs listed in MS11-054, aka "Win32k Null Pointer De-reference Vulnerability."
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows 7 | ||
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =r2 | |
| Microsoft Windows Server | =r2 | |
| Microsoft Windows Vista | =sp1 | |
| Microsoft Windows Vista | =sp2 | |
| Microsoft Windows Vista | =sp2 | |
| Microsoft Windows Vista | =sp1 |
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Reference Links
- http://support.avaya.com/css/P8/documents/100144947
- http://secunia.com/advisories/45186
- http://www.securitytracker.com/id?1025761
- http://osvdb.org/73790
- http://www.us-cert.gov/cas/techalerts/TA11-193A.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12898
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-054
Frequently Asked Questions
What is the severity of CVE-2011-1888?
CVE-2011-1888 is classified as a critical vulnerability due to its potential for privilege escalation.
How do I fix CVE-2011-1888?
To fix CVE-2011-1888, apply the latest security updates provided by Microsoft for your affected Windows version.
Which systems are affected by CVE-2011-1888?
CVE-2011-1888 affects Microsoft Windows Vista SP1 and SP2, Windows Server 2008, and Windows 7 Gold and SP1.
What type of vulnerability is CVE-2011-1888?
CVE-2011-1888 is a local privilege escalation vulnerability allowing local users to gain elevated privileges.
Can CVE-2011-1888 be exploited remotely?
CVE-2011-1888 cannot be exploited remotely as it requires local user access to launch a crafted application.
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