CVE-2025-9461 in bbs
Summary
by MITRE • 08/26/2025
A weakness has been identified in diyhi bbs up to 6.8. The impacted element is an unknown function of the file src/main/java/cms/web/action/filePackage/FilePackageManageAction.java of the component File Compression Handler. This manipulation of the argument idGroup causes information disclosure. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be exploited.
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Analysis
by VulDB Data Team • 09/04/2025
The vulnerability identified as CVE-2025-9461 represents a critical information disclosure weakness within the diyhi bbs version 6.8 software suite. This security flaw exists within the File Compression Handler component, specifically in the FilePackageManageAction.java file located at src/main/java/cms/web/action/filePackage/. The vulnerability stems from improper handling of the idGroup argument parameter within an unknown function of the file package management system. This particular weakness allows attackers to manipulate input parameters in a manner that results in unauthorized information disclosure, making it a significant concern for systems utilizing this software.
The technical implementation of this vulnerability involves the manipulation of the idGroup argument which serves as a critical parameter within the file compression handler functionality. When an attacker provides malicious input to this parameter, the system fails to properly validate or sanitize the input before processing it within the file package management operations. This improper input handling creates an information disclosure channel that can be exploited remotely without requiring authentication or specialized privileges. The vulnerability's classification as a remote exploit capability means that threat actors can leverage this weakness from external networks, eliminating the need for physical access or network proximity to the target system.
The operational impact of CVE-2025-9461 extends beyond simple data exposure, potentially enabling attackers to access sensitive system information, user data, or system configurations that should remain protected. This information disclosure vulnerability can lead to cascading security issues including privilege escalation opportunities, further system compromise, or the extraction of confidential business data. The availability of a public exploit for this vulnerability significantly increases the risk to affected systems, as it removes the barrier to entry for attackers who may not possess advanced technical skills to develop custom exploitation techniques. The remote exploit nature of this vulnerability means that organizations cannot rely solely on network segmentation or firewall rules to protect against this specific threat vector.
Mitigation strategies for this vulnerability should include immediate patching of the diyhi bbs software to version 6.8 or later where the flaw has been addressed. Organizations should also implement input validation measures at the application level to sanitize all user-supplied parameters, particularly those used in file management operations. Network-level protections such as web application firewalls and intrusion detection systems should be configured to monitor for suspicious parameter manipulation patterns. Additionally, security teams should conduct comprehensive vulnerability assessments to identify any other potential similar weaknesses within the application's file handling capabilities. The implementation of proper access controls and least privilege principles for file operations can further reduce the potential impact of this vulnerability. This issue aligns with CWE-20, which addresses improper input validation, and maps to ATT&CK technique T1566 for credential access through exploitation of remote services, making it a critical priority for security operations teams to address immediately.