CVE-2020-14847 in PeopleSoft Enterprise PeopleTools
Summary
by MITRE • 10/21/2020
Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Query). Supported versions that are affected are 8.56, 8.57 and 8.58. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. Successful attacks of this vulnerability can result in unauthorized read access to a subset of PeopleSoft Enterprise PeopleTools accessible data. CVSS 3.1 Base Score 2.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N).
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Analysis
by VulDB Data Team • 11/25/2020
The vulnerability identified as CVE-2020-14847 resides within Oracle PeopleSoft Enterprise PeopleTools, specifically within the Query component of the PeopleSoft platform. This weakness affects versions 8.56, 8.57, and 8.58, representing a significant security concern for organizations utilizing these PeopleSoft versions. The vulnerability operates under the Common Weakness Enumeration framework as a privilege escalation issue, specifically categorized under CWE-284 which deals with improper access control mechanisms. The flaw manifests as an insufficient authorization check that allows attackers with high privileges to exploit the system through HTTP network connections, bypassing normal access controls that should protect sensitive data within the PeopleTools environment.
The technical implementation of this vulnerability stems from inadequate validation of user permissions within the Query component, which processes database queries and data retrieval operations. When a high-privileged attacker successfully exploits this weakness, they can gain unauthorized read access to a subset of PeopleSoft Enterprise PeopleTools accessible data. The CVSS 3.1 scoring system places this vulnerability at a base score of 2.7, reflecting low complexity but limited impact, with the confidentiality impact rated as low. The attack vector requires network access via HTTP, making it accessible to attackers who can establish connections to the PeopleSoft application server. The vulnerability requires an attacker to already possess high privileges within the system, indicating that it typically operates as a privilege escalation vector rather than a primary entry point.
From an operational standpoint, the impact of successful exploitation manifests primarily as data confidentiality breaches, where unauthorized parties can access sensitive information stored within PeopleSoft applications. This vulnerability affects organizations running the specified PeopleSoft versions, potentially exposing financial data, employee records, or other sensitive business information. The limited scope of the data access suggests that while the vulnerability is concerning, it does not provide complete system compromise or full data exfiltration capabilities. Organizations may face regulatory compliance challenges if sensitive data is accessed through this vulnerability, particularly in industries subject to strict data protection requirements such as healthcare, finance, or government sectors. The vulnerability's classification under the ATT&CK framework would fall under privilege escalation techniques, specifically targeting access control mechanisms within enterprise applications.
Mitigation strategies for CVE-2020-14847 should prioritize immediate patch application from Oracle, as this represents the most effective defense against the vulnerability. Organizations should also implement network segmentation to limit access to PeopleSoft application servers and enforce strict access controls for high-privileged accounts. Regular security assessments and monitoring of PeopleSoft environments can help detect anomalous access patterns that might indicate exploitation attempts. Additionally, implementing proper network access controls, disabling unnecessary HTTP services, and maintaining up-to-date security configurations for PeopleSoft installations will reduce the attack surface. Security teams should also consider implementing database activity monitoring to detect unauthorized data access attempts. The vulnerability's low CVSS score does not diminish the importance of addressing it promptly, particularly in environments where PeopleSoft applications handle sensitive business data. Organizations should conduct thorough risk assessments to determine the potential impact of this vulnerability on their specific PeopleSoft implementations and adjust their security postures accordingly.