Overview
The vulnerability CVE-2023-51810 is a severe SQL injection vulnerability that affects the StackIdeas EasyDiscuss version 5.0.5. This flaw allows a remote attacker to retrieve sensitive data from the affected system, posing a significant threat to the confidentiality and integrity of data, and potentially leading to system compromise.
Vulnerability Summary
CVE ID: CVE-2023-51810
Severity: High (CVSS: 7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage
Affected Products
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Product | Affected Versions
StackIdeas EasyDiscuss | v.5.0.5
How the Exploit Works
The vulnerability stems from insufficient sanitization of user-supplied data in the search parameter of the Users module in StackIdeas EasyDiscuss. This allows a remote attacker to inject malicious SQL queries into the application. When these queries are executed by the application’s database, the attacker can manipulate the SQL statements to retrieve, alter, or delete data in the database.
Conceptual Example Code
Here is a conceptual example of an HTTP request that could exploit this vulnerability:
GET /index.php?option=com_easydiscuss&view=users&search=1' OR '1'='1 HTTP/1.1
Host: vulnerable-site.com
Accept: */*In this example, the attacker sends a request with a crafted `search` parameter (`1′ OR ‘1’=’1`), which is a common SQL injection technique that always evaluates to true. This could potentially dump all the users from the database, revealing sensitive information.
Mitigation
To mitigate this vulnerability, it is recommended to apply the vendor-provided patch and upgrade StackIdeas EasyDiscuss to version 5.0.10 or later. As a temporary mitigation, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used to detect and block attempts to exploit this vulnerability.