CVE-2019-2729 in Hyperion Infrastructure Technology
Summary
by MITRE
Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: Web Services). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0 and 12.2.1.3.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 12/08/2024
The CVE-2019-2729 vulnerability represents a critical security flaw in Oracle WebLogic Server affecting versions 10.3.6.0.0, 12.1.3.0.0, and 12.2.1.3.0 within the Web Services subcomponent. This vulnerability falls under the Common Weakness Enumeration category CWE-20, which identifies improper input validation as the root cause of the issue. The flaw manifests as an insufficient input validation vulnerability that allows attackers to craft malicious HTTP requests capable of exploiting the WebLogic Server's Web Services functionality without requiring any authentication credentials or prior access rights.
The technical exploitation of this vulnerability occurs through a specific HTTP request manipulation that leverages the WebLogic Server's deserialization mechanism. Attackers can construct specially crafted requests that bypass authentication checks and execute arbitrary code on the target server. This occurs because the WebLogic Server fails to properly validate incoming HTTP requests, particularly those containing serialized Java objects that are processed by the Web Services component. The vulnerability's exploitability is classified as easily accessible due to the lack of authentication requirements and the straightforward nature of HTTP-based attacks that can be launched from external networks.
The operational impact of CVE-2019-2729 is severe and potentially catastrophic for affected organizations. Successful exploitation results in complete compromise of the Oracle WebLogic Server, providing attackers with full control over the affected system. This compromise enables unauthorized access to sensitive data, potential lateral movement within the network, and the ability to use the compromised server as a pivot point for further attacks. The CVSS 3.0 base score of 9.8 reflects the high severity of this vulnerability, with all three impact vectors - confidentiality, integrity, and availability - rated as high. Organizations running affected WebLogic Server versions face significant risks including data breaches, system downtime, and potential regulatory compliance violations.
Security professionals should implement immediate mitigation strategies including applying the relevant Oracle Critical Patch Update (CPU) patches that address this vulnerability. Network segmentation and firewall rules should be configured to restrict access to WebLogic Server ports from trusted networks only, while monitoring for suspicious HTTP traffic patterns. The ATT&CK framework categorizes this vulnerability under T1190 - Exploit Public-Facing Application, highlighting the need for comprehensive network security controls and continuous monitoring of application-level threats. Organizations should also consider implementing intrusion detection systems and web application firewalls to detect and prevent exploitation attempts. Regular security assessments and vulnerability scanning should be conducted to identify any remaining instances of affected software versions within the organization's infrastructure.