CVE-2011-3402

Description

Unspecified vulnerability in the TrueType font parsing engine in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code via crafted font data in a Word document or web page, as exploited in the wild in November 2011 by Duqu, aka "TrueType Font Parsing Vulnerability."

9.3

CVSS

Severity: Critical

CVSS 2.0 •

EPSS 90.20% Top 5%

Vendor Advisory microsoft.com Vendor Advisory microsoft.com Vendor Advisory microsoft.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory microsoft.com

Affected: n/a n/a

References

Link	Tags
http://secunia.com/advisories/49121	third party advisory vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15645	vdb entry signature
http://www.us-cert.gov/cas/techalerts/TA12-164A.html	third party advisory us government resource
http://blogs.mcafee.com/mcafee-labs/the-day-of-the-golden-jackal-%E2%80%93-further-tales-of-the-stuxnet-files
http://www.securitytracker.com/id?1027039	vdb entry
http://secunia.com/advisories/49122	third party advisory vendor advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-087	vendor advisory
http://www.symantec.com/content/en/us/enterprise/media/security_response/whitepapers/w32_duqu_the_precursor_to_the_next_stuxnet.pdf
http://www.us-cert.gov/cas/techalerts/TA11-347A.html	third party advisory us government resource
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13998	vdb entry signature
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-291-01E.pdf	us government resource
http://www.securelist.com/en/blog/208193197/The_Mystery_of_Duqu_Part_Two
http://technet.microsoft.com/security/advisory/2639658	vendor advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-034	vendor advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-039	vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15290	vdb entry signature
http://isc.sans.edu/diary/Duqu+Mitigation/11950
http://www.symantec.com/connect/w32-duqu_status-updates_installer-zero-day-exploit
http://www.us-cert.gov/cas/techalerts/TA12-129A.html	third party advisory us government resource
http://blogs.technet.com/b/msrc/archive/2011/11/03/microsoft-releases-security-advisory-2639658.aspx

Frequently Asked Questions

What is the severity of CVE-2011-3402?: CVE-2011-3402 has been scored as a critical severity vulnerability.
How to fix CVE-2011-3402?: To fix CVE-2011-3402, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-3402 being actively exploited in the wild?: It is possible that CVE-2011-3402 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~90% probability that this vulnerability will be exploited by malicious actors in the next 30 days.