CVE-2023-24919 : Exploit Details and Defense Strategies

This CVE record pertains to a Cross-site Scripting vulnerability in Microsoft Dynamics 365 (on-premises) that was published on March 14, 2023, by Microsoft.

Understanding CVE-2023-24919

This section provides an insight into the nature of the CVE-2023-24919 vulnerability in Microsoft Dynamics 365 (on-premises).

What is CVE-2023-24919?

CVE-2023-24919 is a Cross-site Scripting vulnerability identified in Microsoft Dynamics 365 (on-premises). This vulnerability allows attackers to inject malicious scripts into webpages viewed by other users, potentially leading to unauthorized access or data theft.

The Impact of CVE-2023-24919

The impact of CVE-2023-24919 is categorized under Spoofing, as attackers can impersonate legitimate users or websites to carry out malicious activities such as stealing sensitive information or executing unauthorized actions.

Technical Details of CVE-2023-24919

In this section, we delve into the technical aspects of the CVE-2023-24919 vulnerability in Microsoft Dynamics 365 (on-premises).

Vulnerability Description

The vulnerability arises from inadequate input validation mechanisms, allowing malicious users to inject and execute arbitrary scripts within the context of a legitimate user's session.

Affected Systems and Versions

Vendor: Microsoft
Affected Products:
Microsoft Dynamics 365 (on-premises) version 9.0
Versions: 9.0.0 to 9.0.45.11 (custom)
Microsoft Dynamics 365 (on-premises) version 9.1
Versions: 9.1.0 to 9.1.16.20 (custom)

Exploitation Mechanism

The vulnerability can be exploited by tricking a user into clicking on a crafted link or visiting a compromised website that contains the malicious script, enabling the attacker to execute unauthorized actions.

Mitigation and Prevention

Understanding the mitigation strategies can help organizations secure their systems against potential exploits of CVE-2023-24919.

Immediate Steps to Take

Apply the security updates provided by Microsoft promptly to address the vulnerability.
Implement Content Security Policy (CSP) to restrict the execution of untrusted scripts on webpages.

Long-Term Security Practices

Regular security assessments and penetration testing can help identify and remediate vulnerabilities proactively.
Educate users about the risks of clicking on suspicious links or visiting untrusted websites.

Patching and Updates

Ensure that all instances of Microsoft Dynamics 365 (on-premises) version 9.0 and 9.1 are updated to the latest patched versions released by Microsoft to mitigate the CVE-2023-24919 vulnerability.