Home/CVE/Microsoft Windows Kernel Stack-Based Buffer Overflow Vulnerability
CVE

CVE-2010-4398

Microsoft Windows Kernel Stack-Based Buffer Overflow Vulnerability

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.".

HIGH · CVSS 7.8 ⚠ CISA KEV EPSS 0.07749
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • EPSS percentile: top 8% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬢

Required Remediation

Apply updates per vendor instructions.

⬡

Weakness Classification

CWE-787Out-of-bounds Write
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

5
microsoft windows 7all versions
microsoft windows server 2003all versions
microsoft windows server 2008all versions
microsoft windows vistaall versions
microsoft windows xpall versions
⚠

Public Exploits & PoCs

4
localMicrosoft Windows Vista/7 - Local Privilege Escalation (UAC Bypass)verified
pocisc.sans.edu · diary.html?storyid=9988isc.sans.edu
pocwww.exploit-db.com · bypassing-uac-with-user-privilege-under-windows-vista7-mi...www.exploit-db.com
pocwww.exploit-db.com · 15609www.exploit-db.com
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 Dec 2010 · 01:44 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisaKEV-CVE-2010-4398
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://nakedsecurity.sophos.com/2010/11/25/new-windows-zero-day-flaw-bypasses-uac/Broken Link
http://secunia.com/advisories/42356Broken LinkVendor Advisory
http://support.avaya.com/css/P8/documents/100127248Third Party Advisory
http://twitter.com/msftsecresponse/statuses/7590788200402945Not Applicable
http://www.kb.cert.org/vuls/id/529673Third Party AdvisoryUS Government Resource
http://www.securityfocus.com/bid/45045Broken LinkThird Party AdvisoryVDB Entry
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