CVE-2016-0558 in E-Business Suite
Summary
by MITRE
Unspecified vulnerability in the Oracle Service Contracts component in Oracle E-Business Suite 11.5.10.2, 12.1.1, 12.1.2, and 12.1.3 allows remote attackers to affect integrity via unknown vectors related to Renewals.
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Analysis
by VulDB Data Team • 07/05/2022
The vulnerability identified as CVE-2016-0558 resides within the Oracle Service Contracts component of Oracle E-Business Suite, affecting versions 11.5.10.2, 12.1.1, 12.1.2, and 12.1.3. This represents a critical security flaw that undermines the integrity of contract renewal processes within enterprise environments. The unspecified nature of the vulnerability vector makes it particularly concerning as it suggests potential exploitation pathways that may not be fully documented or understood by security professionals. The affected component operates within the broader Oracle E-Business Suite ecosystem, which serves as a comprehensive enterprise resource planning solution for organizations managing complex business operations including financials, procurement, project management, and service contracts.
The technical flaw manifests in the renewal functionality of Oracle Service Contracts, where remote attackers can manipulate data integrity through unspecified attack vectors. This vulnerability specifically targets the contract renewal process, which is fundamental to maintaining service level agreements and operational continuity for enterprise clients. The issue stems from inadequate validation mechanisms within the service contracts module that fails to properly authenticate and authorize renewal operations. According to CWE classification, this vulnerability aligns with CWE-284 Access Control Issues, as it allows unauthorized modification of contract data, and potentially CWE-345 Insufficient Verification of Data Authenticity, given the integrity compromise during renewal operations. The attack surface expands significantly since the vulnerability permits remote exploitation, eliminating the need for local system access or privileged credentials.
The operational impact of CVE-2016-0558 extends beyond simple data corruption, as contract renewals form the backbone of ongoing service delivery and revenue generation for organizations. When attackers can manipulate renewal processes, they gain the ability to alter contract terms, extend service periods, or modify financial obligations without proper authorization. This integrity compromise can lead to significant financial losses, regulatory compliance violations, and operational disruptions. Organizations relying on Oracle E-Business Suite for mission-critical operations face the risk of unauthorized contract modifications that could result in overbilling, service disruptions, or legal disputes with clients. The vulnerability's presence in multiple versions of the E-Business Suite indicates a widespread exposure across enterprise environments, making it particularly dangerous for organizations with legacy systems that may not have received timely security updates. This type of vulnerability directly maps to ATT&CK technique T1566 Credential Stuffing and T1078 Valid Accounts, as attackers could potentially exploit this flaw to modify service contracts without detection.
Mitigation strategies for CVE-2016-0558 should prioritize immediate patch application from Oracle, as the vulnerability affects multiple versions of the E-Business Suite requiring comprehensive remediation across affected systems. Organizations must implement network segmentation to limit access to Oracle E-Business Suite components, particularly the service contracts module, reducing the attack surface for potential exploitation. Additional controls should include enhanced monitoring of contract renewal activities, implementation of database triggers to detect unauthorized modifications, and regular auditing of service contract data. Security teams should also consider implementing Web Application Firewall rules to block suspicious traffic patterns associated with contract renewal operations, while maintaining detailed logging of all user activities within the service contracts module. The vulnerability's nature suggests that organizations should conduct thorough vulnerability assessments of their Oracle E-Business Suite implementations to identify any other potentially affected modules or components that may share similar integrity validation weaknesses.