CVE-2023-5914 : Exploit Details and Defense Strategies

This CVE was assigned by Citrix and has a base severity of MEDIUM. It was published on January 17, 2024, and the vulnerability is related to Cross-site scripting (XSS) in Citrix StoreFront.

Understanding CVE-2023-5914

This section will delve into what CVE-2023-5914 entails and its potential impact on affected systems.

What is CVE-2023-5914?

CVE-2023-5914 refers to a Cross-site scripting (XSS) vulnerability found in Citrix StoreFront, specifically affecting certain versions of the software. This type of vulnerability can allow attackers to inject malicious scripts into web pages viewed by other users.

The Impact of CVE-2023-5914

The impact of this vulnerability can lead to unauthorized access, data theft, and potentially further exploitation of the affected system. As it has a base severity of MEDIUM, it is crucial to address this issue promptly to prevent any security breaches.

Technical Details of CVE-2023-5914

In this section, we will explore the technical aspects of CVE-2023-5914, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in Citrix StoreFront is due to improper neutralization of input during web page generation, specifically related to 'Cross-site Scripting' (CWE-79). Attackers can exploit this flaw to execute malicious scripts within the context of a user's web browser.

Affected Systems and Versions

The following versions of Citrix StoreFront are impacted by CVE-2023-5914:

2308 Current Release (less than version 1)
2311 Current Release (less than version 0)
1912 LTSR (less than CU8 hotfix 3.22.8001.2)
2203 LTSR (less than CU4 Update 1)

Exploitation Mechanism

The attack complexity for exploiting this vulnerability is rated as LOW, with no privileges required. However, user interaction is necessary to trigger the execution of the malicious script, typically through social engineering techniques.

Mitigation and Prevention

This section provides insights into mitigating the impact of CVE-2023-5914 and preventing potential exploitation.

Immediate Steps to Take

Users and administrators are advised to update Citrix StoreFront to the latest patched versions to mitigate the XSS vulnerability.
Implement strong content security policies to prevent unauthorized script execution on web pages.

Long-Term Security Practices

Regularly monitor and audit web applications for potential security flaws, including Cross-site scripting vulnerabilities.
Educate users on recognizing and avoiding social engineering attacks that may exploit XSS vulnerabilities.

Patching and Updates

Stay informed about security bulletins and updates released by Citrix to address CVE-2023-5914.
Prioritize the installation of patches to ensure the continued security of Citrix StoreFront installations.