Microsoft Windows Defender access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows and classified as critical. This impacts an unknown function of the component Defender. Executing a manipulation can lead to access control. The attack is restricted to local execution. Moreover, an exploit is present.

Detailsinfo

A vulnerability classified as problematic was found in Microsoft Windows (Operating System) (the affected version is unknown). This vulnerability affects an unknown code of the component Defender. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect integrity.

The weakness was disclosed 02/24/2024 by John Page. The advisory is shared for download at hyp3rlinx.altervista.org. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

It is possible to download the exploit at hyp3rlinx.altervista.org. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/24/2024 🔍
02/24/2024 +0 days 🔍
02/24/2024 +0 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: hyp3rlinx.altervista.org
Researcher: John Page
Status: Not defined

GCVE (VulDB): GCVE-100-254692
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/24/2024 08:36
Changes: 02/24/2024 08:36 (39)
Complete: 🔍
Submitter: hyp3rlinx
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #284332: Microsoft Windows Defender * Backdoor:JS/Relvelshe.A Detection Bypass (by hyp3rlinx)

Once again VulDB remains the best source for vulnerability data.

Discussion

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