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Microsoft Monthly Security Update (February 2024)

Last Update Date: 29 Feb 2024 Release Date: 14 Feb 2024 5295 Views

RISK: High Risk

TYPE: Operating Systems - Windows OS

TYPE: Windows OS

[Updated on 2024-02-16]

Exploit in the wild has been detected for CVE-2024-21410, affecting Microsoft Exchange Server. The vulnerability could be exploited by sending a crafted request to steal user's NTLM hash.

 

Proof of Concept exploit code is publicly available for CVE-2024-21413, affecting Microsoft Outlook. The vulnerability could be exploited by clicking on a malicious URL and execute arbitrary code.

 

[Updated on 2024-02-29]

Exploit in the wild has been detected for CVE-2024-21338, affecting Microsoft Windows. To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system.

 

Microsoft has released monthly security update for their products:

 

Vulnerable ProductRisk LevelImpactsNotes
BrowserMedium Risk Medium RiskRemote Code Execution 
AzureMedium Risk Medium RiskRemote Code Execution
Elevation of Privilege
Spoofing
 
Developer ToolsMedium Risk Medium RiskRemote Code Execution
Denial of Service
 
WindowsMedium Risk High RiskDenial of Service
Elevation of Privilege
Information Disclosure
Remote Code Execution
Security Restriction Bypass
Spoofing

CVE-2024-21351  is being exploited in the wild. The vulnerability allows a malicious actor to inject code into SmartScreen and potentially gain code execution, which could potentially lead to some data exposure, lack of system availability, or both.

 

CVE-2024-21412  is being exploited in the wild.  The vulnerability could bypass Mark of the Web (MoTW) warnings in Windows.

 

[Updated on 2024-02-29] 

CVE-2024-21338  is being exploited in the wild. To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system.

Extended Security Updates (ESU)Medium Risk Medium RiskDenial of Service
Information Disclosure
Remote Code Execution
Elevation of Privilege
Spoofing
 
Microsoft DynamicsMedium Risk Medium RiskSpoofing
Information Disclosure
 
Microsoft OfficeMedium Risk High RiskRemote Code Execution
Elevation of Privilege
Information Disclosure

[Updated on 2024-02-16] 

CVE-2024-21413 Proof-Of-Concept is available in public. The vulnerability could be exploited by clicking a malicious URL and execute arbitrary code.

System CenterMedium Risk Medium RiskElevation of Privilege 
Exchange ServerMedium Risk High RiskElevation of Privilege

[Updated on 2024-02-16] 

CVE-2024-21410 is being exploited in the wild. The vulnerability could be exploited by sending a crafted request to steal user's NTLM hash.

MarinerLow Risk Low Risk  

 

Number of 'Extremely High Risk' product(s): 0

Number of 'High Risk' product(s): 3

Number of 'Medium Risk' product(s): 6

Number of 'Low Risk' product(s): 1

Evaluation of overall 'Risk Level': High Risk


Impact

  • Remote Code Execution
  • Security Restriction Bypass
  • Elevation of Privilege
  • Denial of Service
  • Information Disclosure
  • Spoofing

System / Technologies affected

  • Browser
  • Azure
  • Developer Tools
  • Windows
  • Extended Security Updates (ESU)
  • Microsoft Dynamics
  • Microsoft Office
  • System Center
  • Exchange Server
  • Mariner

Solutions

Before installation of the software, please visit the vendor web-site for more details.

  •  Apply fixes issued by the vendor.

Vulnerability Identifier

 

Source


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