Microsoft Windows Local Security Authority Subsystem Service input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

A vulnerability was found in Microsoft Windows 7 SP1/Server 2008 R2 SP1/Server 2008 SP2/Vista SP2 (Operating System) and classified as critical. Affected by this issue is an unknown part of the component Local Security Authority Subsystem Service. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. CVE summarizes:

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."

The bug was discovered 01/10/2017. The weakness was released 01/10/2017 by Laurent Gaffie with Core Security as MS17-004 as confirmed bulletin (Technet). The advisory is available at technet.microsoft.com. This vulnerability is handled as CVE-2017-0004 since 09/09/2016. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/15/2024).

The vulnerability scanner Nessus provides a plugin with the ID 96393 (MS17-004: Security Update for Local Security Authority Subsystem Service (3216771)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91326 (Microsoft Windows Local Security Authority Subsystem Service Denial of Service (MS17-004)).

Applying the patch MS17-004 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (96393) and SecurityFocus (BID 95318†).

Productinfo

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License

Support

  • end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 96393
Nessus Name: MS17-004: Security Update for Local Security Authority Subsystem Service (3216771)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802074
OpenVAS Name: Microsoft Windows LSASS Local Denial of Service Vulnerability (3216771)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS17-004
Suricata ID: 2023497
Suricata Class: 🔍
Suricata Message: 🔍

Timelineinfo

09/09/2016 🔍
01/10/2017 +123 days 🔍
01/10/2017 +0 days 🔍
01/10/2017 +0 days 🔍
01/10/2017 +0 days 🔍
01/10/2017 +0 days 🔍
01/10/2017 +0 days 🔍
01/11/2017 +1 days 🔍
09/15/2024 +2804 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS17-004
Researcher: Laurent Gaffie
Organization: Core Security
Status: Confirmed

CVE: CVE-2017-0004 (🔍)
OVAL: 🔍

SecurityFocus: 95318 - Microsoft Windows LSASS CVE-2017-0004 Denial of Service Vulnerability
OSVDB: - CVE-2017-0004 - MS17-004 - Microsoft - LSASS - Denial of Service Issue
SecurityTracker: 1037571

scip Labs: https://www.scip.ch/en/?labs.20140213

Entryinfo

Created: 01/11/2017 09:37 AM
Updated: 09/15/2024 06:32 AM
Changes: 01/11/2017 09:37 AM (84), 08/26/2020 04:26 PM (2), 10/28/2022 08:42 AM (4), 09/15/2024 06:32 AM (16)
Complete: 🔍
Cache ID: 18:5D4:40

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