CVE-2022-28076 in Seacms
Summary
by MITRE • 05/04/2022
Seacms v11.6 was discovered to contain a remote command execution (RCE) vulnerability via the Mail Server Settings.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 05/07/2022
The vulnerability identified as CVE-2022-28076 affects Seacms version 11.6 and represents a critical remote command execution flaw that can be exploited through the Mail Server Settings functionality. This vulnerability exposes the system to unauthorized remote code execution attacks, allowing attackers to execute arbitrary commands on the affected server with the privileges of the web application. The flaw specifically resides within the mail server configuration handling mechanism, where insufficient input validation and sanitization permits malicious payloads to be injected and subsequently executed. The vulnerability demonstrates characteristics consistent with CWE-77 and CWE-94, indicating improper validation of user-supplied data that leads to code injection and execution. From an operational perspective, this RCE vulnerability creates a severe risk landscape where attackers can gain full control over the affected system, potentially leading to data breaches, system compromise, and further lateral movement within network environments. The attack surface is particularly concerning given that the vulnerability is accessible through standard mail server configuration interfaces that are commonly exposed to external networks. The vulnerability aligns with ATT&CK technique T1059 which involves executing commands through legitimate system interfaces, making it particularly dangerous as it can evade traditional security controls. The flaw likely stems from improper handling of user inputs within the mail server settings configuration parameters, where input values are directly passed to system commands without adequate sanitization or validation. This vulnerability has significant implications for organizations using Seacms v11.6 as it provides attackers with a direct path to system compromise without requiring authentication for the initial exploitation phase. The impact extends beyond immediate system compromise to include potential data exfiltration, persistence mechanisms, and the ability to establish command and control channels. Organizations should immediately assess their exposure to this vulnerability and implement mitigations including input validation, output encoding, and access controls to prevent unauthorized configuration changes. The vulnerability also highlights the importance of secure coding practices and proper input sanitization, particularly in web applications handling system-level configurations. Remediation efforts should focus on patching the affected version, implementing web application firewalls, and conducting comprehensive security assessments of mail server configurations. The vulnerability's classification as a remote command execution flaw underscores the need for robust network segmentation and monitoring of configuration change activities to detect potential exploitation attempts. Security teams must also consider the broader implications of this vulnerability within their threat modeling frameworks, as it represents a critical weakness that could be leveraged for advanced persistent threats. The remediation process should include not only patching but also implementing proper access controls for mail server settings and establishing monitoring procedures for suspicious configuration changes. Additionally, organizations should review their incident response procedures to ensure preparedness for potential exploitation of this vulnerability and maintain up-to-date threat intelligence to identify related attack patterns.