CVE-2009-1595 in Openfire
Summary
by MITRE
The jabber:iq:auth implementation in IQAuthHandler.java in Ignite Realtime Openfire before 3.6.4 allows remote authenticated users to change the passwords of arbitrary accounts via a modified username element in a passwd_change action.
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Analysis
by VulDB Data Team • 01/11/2025
The vulnerability described in CVE-2009-1595 represents a critical authentication bypass flaw within the Ignite Realtime Openfire messaging server software. This issue affects versions prior to 3.6.4 and specifically targets the jabber:iq:auth implementation that handles authentication requests through the IQAuthHandler.java component. The vulnerability stems from insufficient input validation and authorization checks within the password change functionality, creating a scenario where authenticated users can manipulate the system to modify passwords for accounts they should not have access to.
The technical flaw manifests in the improper handling of username elements during password change operations. When a user submits a passwd_change action, the system fails to properly validate that the authenticated user has authorization to modify the specified target account. This weakness allows malicious authenticated users to craft specially modified XML requests that alter the username field within the password change packet, effectively redirecting the operation to target different user accounts. The vulnerability operates at the protocol level, exploiting the trust model inherent in the XMPP authentication system where legitimate users can leverage their authentication credentials to perform unauthorized actions.
This vulnerability has significant operational impact within enterprise messaging environments where Openfire serves as a core communication infrastructure. Attackers who gain access to any valid user account can potentially escalate their privileges and compromise multiple user accounts across the system. The implications extend beyond simple credential theft, as successful exploitation could lead to complete administrative control over the messaging platform, disruption of communications, and potential data exfiltration from compromised user accounts. Organizations relying on Openfire for secure communications face substantial risk from this vulnerability, particularly in environments where user access controls are not properly segmented.
The vulnerability maps to CWE-285, which addresses improper authorization issues in authentication systems, and aligns with ATT&CK technique T1078 for valid accounts and T1531 for credential access through authentication bypass mechanisms. Organizations should immediately upgrade to Openfire version 3.6.4 or later to address this vulnerability, as no effective workarounds exist for this particular flaw. Additionally, administrators should implement network segmentation and monitor authentication logs for suspicious password change activities that might indicate exploitation attempts. Regular security assessments of XMPP implementations and proper input validation controls should be enforced to prevent similar vulnerabilities from emerging in other components of the messaging infrastructure.