CVE-2024-48905: High-Risk Insecure Permissions Vulnerability in Sematell ReplyOne

Overview

The cybersecurity landscape is continually evolving, and with each passing day, new vulnerabilities are identified and exploited. One such vulnerability that has recently made its presence felt is CVE-2024-48905. This vulnerability affects Sematell ReplyOne 7.4.3.0 and has been identified to harbor insecure permissions for the /rest/sessions endpoint. This makes it a high-risk issue that could potentially lead to system compromise or data leakage if exploited by malicious actors. The vulnerability’s importance is underscored by its high CVSS Severity Score of 9.1, which points to the potential for significant damage if left unaddressed.

Vulnerability Summary

CVE ID: CVE-2024-48905
Severity: High (CVSS 9.1)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise and data leakage

Affected Products

Product | Affected Versions

Sematell ReplyOne | 7.4.3.0

How the Exploit Works

The vulnerability arises from insecure permissions for the /rest/sessions endpoint in Sematell ReplyOne. This endpoint, intended for authenticated session management, has been found to be poorly secured, potentially allowing unauthenticated users to manipulate or hijack sessions. This could lead to unauthorized access to sensitive data or even complete system compromise if the session belongs to a user with elevated privileges.

Conceptual Example Code

The following conceptual example demonstrates how the vulnerability might be exploited using an HTTP request:

GET /rest/sessions HTTP/1.1
Host: target.example.com

The above HTTP request attempts to retrieve active sessions from the /rest/sessions endpoint. If successful, the attacker could then manipulate or hijack these sessions for malicious purposes.

Mitigation and Prevention

The most effective way to mitigate this vulnerability is to apply the vendor-provided patch. Sematell has released a patch for ReplyOne 7.4.3.0, which resolves the insecure permissions issue. As a temporary mitigation measure, the use of a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can help prevent unauthorized access to the /rest/sessions endpoint.