Microsoft Windows Server 2022 23H2 Brokering File System link following

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.1$5k-$25k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows Server 2022 23H2. It has been rated as critical. This affects an unknown function of the component Brokering File System. The manipulation leads to link following. This vulnerability is referenced as CVE-2024-28907. The attack can only be performed from a local environment. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows Server 2022 23H2 and classified as critical. This issue affects an unknown function of the component Brokering File System. The manipulation with an unknown input leads to a link following vulnerability. Using CWE to declare the problem leads to CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Microsoft Brokering File System Elevation of Privilege Vulnerability

The weakness was published 04/09/2024 as confirmed security update guide (Website). It is possible to read the advisory at msrc.microsoft.com. The identification of this vulnerability is CVE-2024-28907. The exploitation is known to be difficult. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/06/2024).

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

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.8
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 7.8
Vendor Vector (Microsoft): 🔍

CNA Base Score: 7.8
CNA Vector (Microsoft): 🔍

CVSSv2info

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

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Timelineinfo

03/13/2024 🔍
04/09/2024 +27 days 🔍
04/09/2024 +0 days 🔍
04/09/2024 +0 days 🔍
12/06/2024 +240 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2024-28907 (🔍)
GCVE (CVE): GCVE-0-2024-28907
GCVE (VulDB): GCVE-100-260015

Entryinfo

Created: 04/09/2024 20:04
Updated: 12/06/2024 00:47
Changes: 04/09/2024 20:04 (34), 04/09/2024 20:07 (35), 05/15/2024 07:53 (1), 05/15/2024 07:59 (10), 12/06/2024 00:47 (3)
Complete: 🔍
Cache ID: 216::103

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