Microsoft Windows up to Server 2019 DHCP Server memory corruption

A vulnerability was found in Microsoft Windows up to Server 2019 (Operating System). It has been rated as critical. Affected by this issue is some processing of the component DHCP Server. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. Impacted is confidentiality, integrity, and availability.

The weakness was shared 05/14/2019 as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. The vendor cooperated in the coordination of the public release. This vulnerability is handled as CVE-2019-0725. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $25k-$100k (estimation calculated on 05/14/2019). The advisory points out:

A memory corruption vulnerability exists in the Windows Server DHCP service when processing specially crafted packets. An attacker who successfully exploited the vulnerability could run arbitrary code on the DHCP server.

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

The issues 134681 are related to this entry.

Vendor

• Microsoft

Name

• Windows

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VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.7

VulDB Base Score: 8.1
VulDB Temp Score: 7.7
VulDB Vector: ?
VulDB Reliability: ?

Vendor Base Score (Microsoft): 8.1
Vendor Vector (Microsoft): ?

VulDB Base Score: ?
VulDB Temp Score: ?
VulDB Reliability: ?
Class: Memory corruption (CWE-119)
Local: No
Remote: Yes

Availability: ?
Status: Not defined

Price Prediction: ?
Current Price Estimation: ?

Threat Intelligenceinfoedit

Threat: ?
Adversaries: ?
Geopolitics: ?
Economy: ?
Predictions: ?
Remediation: ?Recommended: Patch
Status: ?
Reaction Time: ?
0-Day Time: ?
Exposure Time: ?05/14/2019 Advisory disclosed
05/14/2019 +0 days Countermeasure disclosed
05/14/2019 +0 days VulDB entry created
05/14/2019 +0 days VulDB last updateAdvisory: portal.msrc.microsoft.com
Status: Confirmed
Coordinated: ?

CVE: CVE-2019-0725 (?)
scip Labs: https://www.scip.ch/en/?labs.20140213
See also: ?

Created: 05/14/2019 09:11 PM
Complete: ?

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