Home/CVE/The Local Security Authority Subsystem Service (LSASS) in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP
CVE

CVE-2017-0004

The Local Security Authority Subsystem Service (LSASS) in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP

The Local Security Authority Subsystem Service (LSASS) in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1 allows remote attackers to cause a denial of service (reboot) via a crafted authentication request, aka "Local Security Authority Subsystem Service Denial of Service Vulnerability.".

HIGH · CVSS 7.5 EPSS 0.53467
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  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 2% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
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Weakness Classification

CWE-20Improper Input Validation
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Affected Products & Versions

3
microsoft windows 7all versions
microsoft windows server 2008all versions
microsoft windows vistaall versions
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Detection Rules (IDS/IPS)

1
et-openET DOS Microsoft Windows LSASS Remote Memory Corruption (CVE-2017-0004)attempted-dos
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
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Scoring & Timeline

7.5
HIGH · CVSS v3.0 · secure@microsoft.com
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 NVD10 Jan 2017 · 09:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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Vendor Advisories

1
msrcCVE-2017-0004Denial of Service
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/95318
http://www.securitytracker.com/id/1037571
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2017/ms17-004
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