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CVE-2023-48864: SQL Injection Vulnerability in SEMCMS v4.8

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Overview

The Common Vulnerabilities and Exposures (CVE) system has identified a significant SQL injection vulnerability within SEMCMS v4.8. This vulnerability, denoted as CVE-2023-48864, affects all websites and systems using this version of SEMCMS. The discovered flaw can lead to potential system compromise and data leakage, thereby posing a critical risk to individual privacy and system integrity.

Vulnerability Summary

CVE ID: CVE-2023-48864
Severity: High (CVSS: 7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise and data leakage

Affected Products

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Product | Affected Versions

SEMCMS | v4.8

How the Exploit Works

The SQL injection vulnerability in SEMCMS v4.8 is due to insufficient input validation of the ‘languageID’ parameter in /web_inc.php. An attacker could exploit this vulnerability by sending specially crafted data into the ‘languageID’ parameter. As a result, the attacker can manipulate SQL queries, potentially gaining unauthorized access to sensitive data or even gaining control over the system.

Conceptual Example Code

Below is a conceptual example of how this vulnerability might be exploited. An attacker could send a malicious SQL statement through the ‘languageID’ parameter, which could then potentially manipulate the database or disclose sensitive data.

GET /web_inc.php?languageID=1' or '1'='1 HTTP/1.1
Host: vulnerable-website.com

In this example, the `1′ or ‘1’=’1` is a classic SQL injection payload that will always evaluate to true, potentially revealing all entries in a database table if not properly handled.

Mitigation Guidance

Users are strongly advised to apply the latest patches provided by the vendor. If the patch is unavailable, use Web Application Firewall (WAF) or Intrusion Detection System (IDS) as a temporary mitigation measure. Furthermore, it’s recommended to review and update the system’s input validation techniques to prevent similar vulnerabilities in the future.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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