CVE-2017-10327 in PeopleSoft Enterprise PeopleTools
Summary
by MITRE
Vulnerability in the PeopleSoft Enterprise PeopleTools component of Oracle PeopleSoft Products (subcomponent: Query). Supported versions that are affected are 8.54, 8.55 and 8.56. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in PeopleSoft Enterprise PeopleTools, 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 PeopleTools accessible data as well as unauthorized read access to a subset of PeopleSoft Enterprise PeopleTools accessible data. CVSS 3.0 Base Score 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).
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Analysis
by VulDB Data Team • 01/18/2021
The CVE-2017-10327 vulnerability resides within the PeopleSoft Enterprise PeopleTools component, specifically within the Query subcomponent of Oracle PeopleSoft Products. This vulnerability affects versions 8.54, 8.55, and 8.56, representing a significant security weakness that can be exploited by unauthenticated attackers with network access through HTTP protocols. The vulnerability's classification as easily exploitable indicates that attackers can leverage this flaw with minimal technical sophistication, making it particularly dangerous in enterprise environments where PeopleSoft systems are widely deployed. The attack vector through HTTP connections means that the vulnerability can be exploited from external networks without requiring any authentication credentials, presenting a substantial risk to organizations relying on these systems.
The technical flaw in this vulnerability stems from inadequate input validation and access control mechanisms within the Query functionality of PeopleTools. This weakness allows attackers to perform unauthorized operations against the underlying database through the PeopleSoft application layer. The vulnerability specifically enables unauthorized update, insert, and delete operations on certain data accessible through PeopleTools, while also permitting unauthorized read access to specific data subsets. The requirement for human interaction from someone other than the attacker suggests that while the initial exploitation may be automated, some form of user involvement or system interaction is necessary to complete the attack. This characteristic places the vulnerability in the context of social engineering or targeted attacks where attackers might manipulate legitimate users into performing actions that facilitate the exploitation process.
The operational impact of this vulnerability extends beyond the immediate PeopleSoft Enterprise PeopleTools environment, potentially affecting additional products within the Oracle PeopleSoft ecosystem. The CVSS 3.0 Base Score of 6.1 reflects the moderate severity of the threat, with confidentiality and integrity impacts rated as low but significant. The CVSS vector (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N) indicates that the attack requires network access with low complexity, no prior privileges, and user interaction, while the scope change (S:C) suggests that the vulnerability can affect components beyond the vulnerable system itself. The compromised data access capabilities pose substantial risks to organizational data integrity and confidentiality, potentially allowing attackers to modify critical business data or extract sensitive information that could impact business operations, compliance requirements, and regulatory adherence.
Organizations affected by this vulnerability should implement immediate mitigations including network segmentation to limit access to PeopleSoft systems, implementing robust firewall rules to restrict HTTP access, and ensuring that all systems are updated to patched versions. The vulnerability's classification under CWE 79 (Improper Neutralization of Input During Web Page Generation) and its alignment with ATT&CK technique T1078 (Valid Accounts) highlight the need for comprehensive security measures including privileged access monitoring, regular vulnerability assessments, and user behavior analytics to detect anomalous activities. Additionally, organizations should conduct thorough access control reviews and implement proper input validation mechanisms to prevent similar vulnerabilities from emerging in other components of their PeopleSoft infrastructure, while maintaining continuous monitoring for any signs of exploitation attempts or unauthorized access patterns.