CVE-2023-25837 : Vulnerability Insights and Analysis

This CVE-2023-25837 pertains to a Cross-site Scripting vulnerability in Esri ArcGIS Enterprise Sites versions 10.8.1 through 10.9. The vulnerability could potentially allow a remote, authenticated attacker to execute arbitrary JavaScript code in the target's browser by tricking a victim into clicking on a crafted link. The attack requires high privileges to execute.

Understanding CVE-2023-25837

A Cross-site Scripting vulnerability has been identified in Esri ArcGIS Enterprise Sites versions 10.8.1 through 10.9, which poses a risk of executing malicious JavaScript code in the target's browser via a manipulated link click.

What is CVE-2023-25837?

The CVE-2023-25837 vulnerability enables a remote, authenticated attacker to inject and run arbitrary JavaScript code within the context of the target's browser by exploiting a crafted link click. This could lead to unauthorized access, data theft, or other malicious activities.

The Impact of CVE-2023-25837

The impact of this vulnerability is rated as HIGH. An attacker exploiting CVE-2023-25837 could compromise the confidentiality, integrity, and availability of the affected system. The privileges required to execute such an attack are also classified as HIGH.

Technical Details of CVE-2023-25837

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The Cross-site Scripting vulnerability in Esri ArcGIS Enterprise Sites versions 10.8.1 through 10.9 allows a remote, authenticated attacker to insert and execute arbitrary JavaScript code in a victim's browser by getting them to click on a specially crafted link. The attack vectors and complexities related to this vulnerability are classified as LOW.

Affected Systems and Versions

The vulnerability affects systems running Esri ArcGIS Enterprise Sites versions 10.8.1 through 10.9. Specifically, the vulnerability lies within the functionality of Portal sites provided by Esri.

Exploitation Mechanism

To exploit this vulnerability, an attacker with high privileges needs to create a malicious link and entice a victim into clicking on it. Upon clicking, the attacker's crafted JavaScript code gets executed within the victim's browser environment.

Mitigation and Prevention

Understanding how to mitigate and prevent the exploitation of CVE-2023-25837 is crucial for maintaining a secure environment.

Immediate Steps to Take

Organizations running affected versions should apply the security patch provided by Esri promptly.
It is recommended to restrict user permissions and access levels to minimize the risk of exploitation.
Training users on identifying and avoiding suspicious links or content can help mitigate the risk of falling victim to such attacks.

Long-Term Security Practices

Regularly updating and patching software and systems is essential for addressing known vulnerabilities and improving overall security posture.
Deploying web application firewalls and security mechanisms can help detect and prevent Cross-site Scripting attacks.

Patching and Updates

Esri has released a security patch for the affected versions of ArcGIS Enterprise Sites to address this vulnerability. Organizations should ensure that they apply the patch as soon as possible to mitigate the risk of exploitation. Regularly monitoring for security updates and staying informed about potential threats is crucial for maintaining a secure environment.