Microsoft Windows 10 1803/Server 1803 DHCP Client memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.3$5k-$25k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows 10 1803/Server 1803. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component DHCP Client. Executing a manipulation can lead to memory corruption. This vulnerability is tracked as CVE-2019-0547. The attack is only possible within the local network. No exploit exists. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability has been found in Microsoft Windows 10 1803/Server 1803 (Operating System) and classified as critical. This vulnerability affects some unknown processing of the component DHCP Client. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A memory corruption vulnerability exists in the Windows DHCP client when an attacker sends specially crafted DHCP responses to a client, aka "Windows DHCP Client Remote Code Execution Vulnerability." This affects Windows 10, Windows 10 Servers.

The bug was discovered 01/08/2019. The weakness was disclosed 01/08/2019 by Security Team (window) with Microsoft as confirmed security update guide (Website). The advisory is available at portal.msrc.microsoft.com. The public release has been coordinated in cooperation with the vendor. This vulnerability was named CVE-2019-0547 since 11/26/2018. Access to the local network is required for this attack to succeed. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 04/26/2020). The advisory points out:

A memory corruption vulnerability exists in the Windows DHCP client when an attacker sends specially crafted DHCP responses to a client. An attacker who successfully exploited the vulnerability could run arbitrary code on the client machine.

The vulnerability scanner Nessus provides a plugin with the ID 121015 (KB4480966: Windows 10 Version 1803 and Windows Server Version 1803 January 2019 Security Update), 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 91495 (Microsoft Windows Security Update January 2019).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (121015) and SecurityFocus (BID 106394†). The entries VDB-128717, VDB-128718, VDB-128724 and VDB-128725 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 8.5

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 9.8
Vendor Vector (Microsoft): 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 121015
Nessus Name: KB4480966: Windows 10 Version 1803 and Windows Server Version 1803 January 2019 Security Update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Timelineinfo

11/26/2018 🔍
01/08/2019 +43 days 🔍
01/08/2019 +0 days 🔍
01/08/2019 +0 days 🔍
01/08/2019 +0 days 🔍
01/08/2019 +0 days 🔍
01/08/2019 +0 days 🔍
01/08/2019 +0 days 🔍
04/26/2020 +474 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: portal.msrc.microsoft.com
Researcher: Security Team (window)
Organization: Microsoft
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2019-0547 (🔍)
GCVE (CVE): GCVE-0-2019-0547
GCVE (VulDB): GCVE-100-128722
SecurityFocus: 106394 - Microsoft Windows DHCP Client CVE-2019-0547 Remote Code Execution Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161215
See also: 🔍

Entryinfo

Created: 01/08/2019 21:54
Updated: 04/26/2020 12:29
Changes: 01/08/2019 21:54 (85), 04/26/2020 12:29 (8)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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