CVE-2019-2414 in HTTP Server
Summary
by MITRE
Vulnerability in the Oracle HTTP Server component of Oracle Fusion Middleware (subcomponent: Web Listener). The supported version that is affected is 12.2.1.3. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle HTTP Server executes to compromise Oracle HTTP Server. Successful attacks of this vulnerability can result in takeover of Oracle HTTP Server. CVSS 3.0 Base Score 7.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 06/27/2023
The vulnerability identified as CVE-2019-2414 resides within Oracle HTTP Server's Web Listener component, which forms part of Oracle Fusion Middleware suite. This particular flaw affects version 12.2.1.3 and represents a significant security concern due to its ease of exploitation and the potential for severe impact. The vulnerability operates at the infrastructure level where Oracle HTTP Server executes, requiring only low privileged access to the target system to achieve successful compromise. This characteristic places the vulnerability within the purview of the Common Weakness Enumeration framework under CWE-284, which addresses improper access control mechanisms that allow unauthorized users to gain elevated privileges or access sensitive resources.
The technical nature of this vulnerability stems from insufficient access controls within the Web Listener component, which allows an authenticated but low-privileged attacker to exploit the system and gain complete control over the Oracle HTTP Server instance. The CVSS 3.0 scoring of 7.8 reflects the high severity of this flaw, with scores of 8.0 for confidentiality, integrity, and availability impacts, indicating that successful exploitation could result in complete system compromise. The attack vector requires local access (AV:L) with low complexity (AC:L) and low privilege requirements (PR:L), making it particularly dangerous as it can be exploited by attackers who have already gained some level of system access. The vulnerability's impact extends across all three core security principles as defined by the CVSS framework, potentially enabling attackers to read sensitive data, modify system configuration, and disrupt service availability.
From an operational perspective, this vulnerability presents a critical risk to organizations utilizing Oracle Fusion Middleware environments, particularly those with less stringent access control policies. The successful exploitation could result in complete takeover of the Oracle HTTP Server, allowing attackers to manipulate web content, access protected resources, and potentially use the compromised server as a pivot point for further attacks within the network. This aligns with the ATT&CK framework's technique T1071.004, which covers application layer protocol usage for command and control communications. Organizations may find their web infrastructure compromised, leading to potential data breaches, service disruption, and unauthorized access to sensitive applications hosted behind the Oracle HTTP Server. The vulnerability's classification under CVSS 3.0's local attack vector suggests that attackers typically need to first establish a foothold within the target environment, but once achieved, the impact can be devastating.
The mitigation strategy for CVE-2019-2414 involves immediate application of Oracle's security patches and updates to the affected Oracle HTTP Server version 12.2.1.3. Organizations should implement robust access control measures including principle of least privilege, regular security assessments, and network segmentation to limit the potential impact of such vulnerabilities. System administrators should also monitor for unusual activity patterns and implement proper logging and monitoring solutions to detect potential exploitation attempts. The vulnerability's characteristics make it particularly important to maintain updated security configurations and to ensure that access to Oracle HTTP Server environments is strictly controlled and monitored, as the low privilege requirements for exploitation make this vulnerability particularly dangerous in environments where access controls are not properly enforced. Additionally, implementing network-based intrusion detection systems and regularly reviewing system access logs can help identify potential exploitation attempts before they result in successful compromises.