CVE-2010-4398

Microsoft Windows Kernel Stack-Based Buffer Overflow

7.8 HIGHActively exploited (CISA KEV)Public exploitEPSS 8.66%

Published6 Dec 2010
Added to CISA KEV28 Mar 2022
Remediation due21 Apr 2022

Description

Stack-based buffer overflow in the RtlQueryRegistryValues function in win32k.sys in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 allows local users to gain privileges, and bypass the User Account Control (UAC) feature, via a crafted REG_BINARY value for a SystemDefaultEUDCFont registry key, aka "Driver Improper Interaction with Windows Kernel Vulnerability."

CVSS 3.1 breakdown

Attack vectorLocal

Attack complexityLow

Privileges requiredLow

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Microsoft Windows 7all versions

Microsoft Windows Server 2003all versions

Microsoft Windows Server 2008r2

Microsoft Windows Vistaall versions

Microsoft Windows Xpall versions

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

Patch & vendor advisories

References

http://isc.sans.edu/diary.html?storyid=9988ExploitIssue Tracking
http://nakedsecurity.sophos.com/2010/11/25/new-windows-zero-day-flaw-bypasses-uac/Broken Link
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-011PatchVendor Advisory
http://secunia.com/advisories/42356Broken LinkVendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12162Broken Link
http://support.avaya.com/css/P8/documents/100127248Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-4398US Government Resource
http://twitter.com/msftsecresponse/statuses/7590788200402945Not Applicable
http://www.exploit-db.com/bypassing-uac-with-user-privilege-under-windows-vista7-mirror/Broken LinkExploitThird Party AdvisoryVDB Entry
http://www.exploit-db.com/exploits/15609/ExploitThird Party AdvisoryVDB Entry

and 4 more references

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2010-4398 being actively exploited?

Yes. CVE-2010-4398 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 28 Mar 2022.

How severe is CVE-2010-4398?

CVE-2010-4398 has a CVSS 3.1 base score of 7.8, rated high. EPSS estimates a 8.66% probability of exploitation.

Which products are affected by CVE-2010-4398?

Affected products include Microsoft Windows 7, Microsoft Windows Server 2003, Microsoft Windows Server 2008, Microsoft Windows Vista, Microsoft Windows Xp.

How do I fix CVE-2010-4398?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2010-4398 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.