CVE-2006-0710 in M-Vault Server
Summary
by MITRE
Double free vulnerability in isode.eddy in Isode M-Vault Server 11.3 allows remote attackers to execute arbitrary code via a crafted LDAP request, as demonstrated by ProtoVer Sample LDAP.
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Analysis
by VulDB Data Team • 03/29/2025
The CVE-2006-0710 vulnerability represents a critical double free memory corruption flaw within the isode.eddy component of Isode M-Vault Server version 11.3. This vulnerability exists in the server's handling of Lightweight Directory Access Protocol (LDAP) requests, specifically when processing crafted LDAP messages that contain malformed data structures. The issue stems from improper memory management where the same memory block gets freed twice during the processing of an LDAP request, creating a condition that can be exploited by remote attackers to execute arbitrary code on the affected system. The vulnerability was demonstrated through a ProtoVer Sample LDAP payload that triggered the memory corruption scenario.
The technical implementation of this vulnerability involves the exploitation of memory management errors within the LDAP processing pipeline of the M-Vault Server. When a specially crafted LDAP request is received, the isode.eddy component fails to properly validate or handle the request structure, leading to a situation where allocated memory chunks are freed multiple times. This double free condition creates a predictable memory layout that attackers can manipulate to overwrite critical memory regions, potentially redirecting program execution flow. The vulnerability specifically affects the server's LDAP service that handles authentication and directory operations, making it particularly dangerous as it can be exploited over a network without requiring authentication.
From an operational impact perspective, this vulnerability presents a severe threat to organizations relying on Isode M-Vault Server for directory services and authentication. Remote code execution capabilities mean that attackers can gain full control over the affected server, potentially leading to complete system compromise, data exfiltration, and lateral movement within the network. The vulnerability's remote exploitability eliminates the need for physical access or local privileges, making it particularly attractive to threat actors. Organizations using this software version face significant risk of unauthorized access, service disruption, and potential data breaches that could affect sensitive enterprise information stored in directory services.
The vulnerability aligns with CWE-415 which specifically addresses double free conditions in memory management, and represents a classic example of heap corruption that can be leveraged for privilege escalation and code execution. From an attack framework perspective, this vulnerability would map to multiple ATT&CK techniques including T1078 for valid accounts, T1059 for command and scripting interpreter, and T1566 for phishing attacks that could deliver the malicious LDAP requests. The exploitability of this vulnerability requires minimal skill level and can be automated, making it particularly dangerous in the hands of less sophisticated attackers. Organizations should immediately implement mitigations including patching to the latest version of Isode M-Vault Server, network segmentation to limit LDAP service exposure, and monitoring for suspicious LDAP traffic patterns that could indicate exploitation attempts.