CVE-2023-25840 : What You Need to Know

This CVE record outlines a Cross-site Scripting vulnerability identified in ArcGIS Server versions 10.8.1 through 11.1. This vulnerability, assigned by Esri, allows a remote authenticated attacker to craft a link that may render an image in the victim's browser upon mouseover. The attack requires high privileges to execute and has been categorized under CAPEC-63 Cross-Site Scripting (XSS).

Understanding CVE-2023-25840

The CVE-2023-25840 details a specific security vulnerability within the ArcGIS Server software, impacting versions 10.8.1 through 11.1. It highlights the potential risks associated with this vulnerability and its implications for users of the affected systems.

What is CVE-2023-25840?

The CVE-2023-25840 vulnerability in ArcGIS Server versions 10.8.1 through 11.1 enables a remote, authenticated attacker to create a manipulated link that could display an image in the victim's browser. This Cross-site Scripting flaw poses a threat to the integrity of the system and the user's data.

The Impact of CVE-2023-25840

The impact of CVE-2023-25840 is significant, as it exposes users of ArcGIS Server to the risk of a remote attacker executing malicious scripts within the system. The high privileges required for this attack make it a critical security concern for organizations using the affected versions.

Technical Details of CVE-2023-25840

The technical details of CVE-2023-25840 provide insights into the vulnerability description, the affected systems and versions, as well as the exploitation mechanism that could be utilized by threat actors.

Vulnerability Description

The vulnerability in ArcGIS Server versions 10.8.1 through 11.1 allows for a Cross-site Scripting attack, where a crafted link could potentially render an image in the victim's browser. The attacker could exploit this flaw to manipulate user interactions and compromise system security.

Affected Systems and Versions

ArcGIS Server versions 10.8.1 through 11.1 are impacted by CVE-2023-25840. Organizations using these versions are at risk of exploitation by attackers with high privileges within the system.

Exploitation Mechanism

The exploitation mechanism for CVE-2023-25840 involves a remote, authenticated attacker creating and deploying a malicious link that triggers the Cross-site Scripting vulnerability. By interacting with the crafted link, the attacker could execute unauthorized actions within the system.

Mitigation and Prevention

Addressing CVE-2023-25840 requires immediate steps to mitigate the risks posed by this vulnerability and implementing long-term security practices to safeguard against similar threats in the future.

Immediate Steps to Take

To mitigate the risks associated with CVE-2023-25840, users of ArcGIS Server versions 10.8.1 through 11.1 should apply relevant security patches and updates provided by Esri. Additionally, users must remain vigilant against suspicious links and monitor for any unusual browser behavior.

Long-Term Security Practices

In the long term, organizations should prioritize cybersecurity awareness training for employees, implement robust security protocols, and regularly update and patch software to prevent vulnerabilities like CVE-2023-25840 from being exploited.

Patching and Updates

Esri has released a security update patch to address the CVE-2023-25840 vulnerability in ArcGIS Server versions 10.8.1 through 11.1. Users are advised to apply this patch promptly to mitigate the risks associated with this Cross-site Scripting flaw.