CVE-2014-4626 in Documentum Content Server
Summary
by MITRE
EMC Documentum Content Server before 6.7 SP1 P29, 6.7 SP2 before P18, 7.0 before P16, and 7.1 before P09 allows remote authenticated users to gain privileges by (1) placing a command in a dm_job object and setting this object s owner to a privileged user or placing a rename action in a dm_job_request object and waiting for a (2) dm_UserRename or (3) dm_GroupRename service task, aka ESA-2014-105. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-2515.
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Analysis
by VulDB Data Team • 08/22/2024
The vulnerability described in CVE-2014-4626 represents a privilege escalation issue within EMC Documentum Content Server versions prior to specific service packs and patches. This security flaw allows remote authenticated users to elevate their privileges by exploiting weaknesses in how the system handles certain job objects and service tasks. The vulnerability specifically affects versions 6.7 SP1 P29 and earlier, 6.7 SP2 P18 and earlier, 7.0 P16 and earlier, and 7.1 P09 and earlier of the Documentum Content Server platform.
The technical implementation of this vulnerability involves manipulation of dm_job objects and dm_job_request objects within the Documentum system. Attackers can place malicious commands within dm_job objects and set the owner of these objects to privileged users, thereby enabling unauthorized privilege escalation. Additionally, the vulnerability can be exploited through the placement of rename actions in dm_job_request objects, which then trigger execution when the system processes dm_UserRename or dm_GroupRename service tasks. This exploitation mechanism demonstrates a fundamental flaw in the system's object ownership validation and privilege handling mechanisms.
The operational impact of CVE-2014-4626 is significant as it allows authenticated attackers to gain elevated privileges within the Documentum environment. This privilege escalation capability can potentially lead to unauthorized access to sensitive content, modification of critical system configurations, and compromise of the entire content management infrastructure. The vulnerability's existence as an incomplete fix for CVE-2014-2515 indicates a pattern of security remediation gaps that organizations must address through comprehensive patch management strategies. The attack vector requires only remote authentication, making it particularly dangerous as it does not require physical access or complex exploitation techniques.
From a cybersecurity perspective, this vulnerability aligns with CWE-269, which addresses "Improper Privilege Management" and falls under the ATT&CK technique T1068, "Exploitation for Privilege Escalation." The weakness in the Documentum system's privilege handling represents a classic case of insufficient access control validation, where the system fails to properly verify the authenticity and authorization of commands executed through job objects. Organizations should implement immediate patching strategies targeting the specific service pack versions mentioned in the CVE description, while also conducting thorough security assessments to identify any potential exploitation attempts. The vulnerability serves as a reminder of the importance of comprehensive security testing and proper validation of security patches to prevent regression vulnerabilities that could compromise system integrity and data protection mechanisms.