CVE-2019-2419 in PeopleSoft Enterprise CC Common Application Objects
Summary
by MITRE
Vulnerability in the PeopleSoft Enterprise CC Common Application Objects component of Oracle PeopleSoft Products (subcomponent: Form and Approval Builder). The supported version that is affected is 9.2. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise PeopleSoft Enterprise CC Common Application Objects. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in PeopleSoft Enterprise CC Common Application Objects, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of PeopleSoft Enterprise CC Common Application Objects accessible data as well as unauthorized read access to a subset of PeopleSoft Enterprise CC Common Application Objects accessible data. Note: This Enterprise Common Component is used by all PeopleSoft Application products. Please refer to the MOS Note Doc ID 2493366.1 for patch information. CVSS 3.0 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).
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Analysis
by VulDB Data Team • 06/28/2023
The vulnerability identified as CVE-2019-2419 represents a significant security weakness within Oracle PeopleSoft Enterprise CC Common Application Objects, specifically affecting the Form and Approval Builder subcomponent in version 9.2. This flaw falls under the category of insufficient authorization controls, which is classified as CWE-285 in the Common Weakness Enumeration catalog. The vulnerability operates within the PeopleSoft ecosystem where the Common Application Objects component serves as a foundational element utilized across all PeopleSoft application products, making its compromise particularly dangerous as it can affect multiple systems within an organization's PeopleSoft infrastructure.
The technical nature of this vulnerability stems from inadequate access control mechanisms that allow low-privileged attackers with network access via HTTP to exploit the system. The CVSS 3.0 scoring of 5.4 indicates a medium severity threat with a base score reflecting the combination of low attack complexity, low privileges required, and the need for human interaction to complete the attack. This requirement for human interaction means that while the vulnerability is easily exploitable, it cannot be fully automated, though it can be triggered through social engineering or by tricking users into performing specific actions. The attack vector AV:N indicates network-based exploitation, while the low privilege requirement PR:L suggests that attackers do not need elevated system permissions to initiate the attack.
The operational impact of this vulnerability extends beyond the immediate PeopleSoft Common Application Objects component to potentially affect multiple PeopleSoft products that utilize this shared infrastructure. Successful exploitation can result in unauthorized modification, insertion, or deletion of data within the affected systems, along with unauthorized read access to sensitive information. The confidentiality and integrity impacts are rated as low severity in the CVSS vector, but the potential for cascading effects across the entire PeopleSoft ecosystem means that the actual business impact could be substantial. The security implications are further amplified by the fact that this component is used by all PeopleSoft applications, meaning a single vulnerability could compromise the entire PeopleSoft suite within an organization.
Organizations affected by this vulnerability should prioritize applying the official patch referenced in Oracle Support Document ID 2493366.1 as the primary mitigation strategy. Additionally, implementing network segmentation and access controls can help limit the potential attack surface, while monitoring for unusual network activity and user behavior can aid in early detection of exploitation attempts. The vulnerability's classification under the ATT&CK framework would fall under the Privilege Escalation and Credential Access tactics, as attackers could potentially use this vulnerability to gain unauthorized access to sensitive data and modify system configurations. Regular security assessments and vulnerability scanning should be implemented to identify similar authorization flaws in other PeopleSoft components, as the underlying architectural issues that enable this vulnerability may exist in other parts of the system.