CVE-2015-7707 in Openfire
Summary
by MITRE
Ignite Realtime Openfire 3.10.2 allows remote authenticated users to gain administrator access via the isadmin parameter to user-edit-form.jsp.
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Analysis
by VulDB Data Team • 09/25/2024
The vulnerability identified as CVE-2015-7707 affects Ignite Realtime Openfire version 3.10.2, representing a critical authentication bypass flaw that enables remote authenticated users to escalate their privileges to administrator level. This issue stems from improper input validation within the user-edit-form.jsp component of the Openfire administration interface, where the isadmin parameter fails to properly verify user permissions before granting administrative privileges. The vulnerability operates under CWE-285, which categorizes improper authorization flaws, specifically targeting the authentication mechanism that should prevent unauthorized privilege escalation.
The technical implementation of this vulnerability exploits a lack of proper access control checks within the web application's user management functionality. When an authenticated user submits a request to user-edit-form.jsp with a manipulated isadmin parameter set to true, the application fails to validate whether the requesting user possesses the necessary administrative credentials to make such modifications. This design flaw allows any authenticated user to potentially modify user permissions and elevate their access level, effectively bypassing the application's intended security controls. The vulnerability exists because the application relies on client-side parameter manipulation without implementing server-side authorization verification.
From an operational perspective, this vulnerability presents a severe risk to organizations relying on Openfire for instant messaging and collaboration services. An attacker who has obtained legitimate user credentials can exploit this flaw to gain complete administrative control over the messaging server, potentially leading to unauthorized access to all user communications, modification of server configurations, and establishment of persistent backdoors. The remote nature of the attack means that exploitation can occur from any location with network access to the Openfire server, while the authenticated requirement reduces the attack surface complexity but does not eliminate the risk. This vulnerability directly maps to attack techniques described in the MITRE ATT&CK framework under privilege escalation and credential access tactics.
Organizations should immediately implement mitigations including patching to the latest Openfire version that addresses this vulnerability, implementing network segmentation to limit access to administrative interfaces, and deploying additional authentication controls such as multi-factor authentication. The patch process should involve upgrading to Openfire version 3.10.3 or later, which includes proper input validation and authorization checks for the user management functions. Additional protective measures include configuring web application firewalls to monitor and block suspicious parameter manipulation attempts, implementing strict access controls for administrative interfaces, and conducting regular security audits of authentication mechanisms. Organizations should also consider implementing monitoring solutions that can detect anomalous administrative access patterns and parameter manipulation attempts that may indicate exploitation of this vulnerability. The remediation process must include thorough testing of the patched environment to ensure that legitimate administrative functions remain operational while the vulnerability is properly addressed.