CVE-2017-0103

Microsoft Windows Kernel - Registry Hive Loading Crashes in nt!nt!HvpGetBinMemAlloc / nt!ExpFindAndRemoveTagBigPages (MS17-017)

Severity Score

7.0

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The kernel API in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, and Windows Server 2012 mishandles registry objects in memory, which allows local users to gain privileges via a crafted application, aka "Windows Registry Elevation of Privilege Vulnerability."

La API del kernel en Microsoft Windows Vista SP2, Windows Server 2008 SP2 y R2 SP1, Windows 7 SP1 y Windows Server 2012 no maneja adecuadamente registro de objetos en la memoria, lo que permite a usuarios locales obtener privilegios a través de una aplicación manipulada, vulnerabilidad también conocida como "Windows Registry Elevation of Privilege Vulnerability".

The Microsoft Windows kernel suffers from hive loading crashes in nt!nt!HvpGetBinMemAlloc and nt!ExpFindAndRemoveTagBigPages.

*Credits: N/A

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-09-09 CVE Reserved
2017-03-17 CVE Published
2017-03-20 First Exploit
2024-08-05 CVE Updated
2025-05-16 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CAPEC

References (5)

URL	Tag	Source
http://www.securityfocus.com/bid/96623	Third Party Advisory
http://www.securitytracker.com/id/1038013	Vdb Entry

URL	Date	SRC
https://packetstorm.news/files/id/141718	2017-03-20
https://www.exploit-db.com/exploits/41645	2024-08-05

URL	Date	SRC

URL	Date	SRC
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0103	2017-08-16

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Microsoft Search vendor "Microsoft"		Windows 7 Search vendor "Microsoft" for product "Windows 7"				-		sp1		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"				-		sp2		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"				r2 Search vendor "Microsoft" for product "Windows Server 2008" and version "r2"		sp1		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2012 Search vendor "Microsoft" for product "Windows Server 2012"				-		-		Affected
Microsoft Search vendor "Microsoft"		Windows Vista Search vendor "Microsoft" for product "Windows Vista"				-		sp2		Affected