CVE-2017-10322 in Common Applications Calendar
Summary
by MITRE
Vulnerability in the Oracle Common Applications Calendar component of Oracle E-Business Suite (subcomponent: Applications Calendar). Supported versions that are affected are 12.1.1, 12.1.2, 12.1.3, 12.2.3, 12.2.4, 12.2.5, 12.2.6 and 12.2.7. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Common Applications Calendar. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Common Applications Calendar accessible data. CVSS 3.0 Base Score 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N).
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Analysis
by VulDB Data Team • 01/17/2021
The vulnerability identified as CVE-2017-10322 resides within the Oracle Common Applications Calendar component of Oracle E-Business Suite, specifically affecting versions 12.1.1 through 12.2.7. This flaw represents a significant security weakness in enterprise application infrastructure that serves as a cornerstone for business operations across numerous organizations. The vulnerability operates within the Applications Calendar subcomponent, which forms part of Oracle's broader E-Business Suite ecosystem that manages critical business processes including financials, supply chain, and human resources. The affected versions span multiple release lines, indicating this weakness has persisted across several iterations of the software, suggesting either inadequate patching practices or fundamental architectural issues that have not been adequately addressed in the product lifecycle.
The technical nature of this vulnerability manifests as an easily exploitable flaw that permits unauthenticated attackers to gain network-based access through HTTP protocols. This characteristic places the vulnerability in the category of network-accessible weaknesses that can be leveraged by threat actors without requiring prior authentication credentials or privileged access. The CVSS 3.0 scoring system rates this vulnerability at 5.3 out of 10, categorizing it as moderate severity with specific integrity impacts. The attack vector is classified as network-based (AV:N) requiring low attack complexity (AC:L) and no privileges (PR:N), meaning that any network-connected individual can potentially exploit this weakness without specialized tools or insider knowledge. The vulnerability's impact is primarily focused on integrity aspects, allowing attackers to perform unauthorized update, insert, or delete operations against calendar data, while maintaining minimal impact on confidentiality and availability.
The operational consequences of successful exploitation extend beyond simple data modification, potentially compromising the integrity of critical business calendar information that may underpin scheduling, resource allocation, and operational planning processes. Organizations relying on Oracle E-Business Suite for mission-critical operations face significant risks when this vulnerability remains unpatched, as attackers could manipulate calendar entries to disrupt business operations, alter scheduling data, or potentially gain insights into organizational activities through calendar content manipulation. The vulnerability's scope affects data that is accessible through the calendar component, which may include meeting schedules, resource bookings, event notifications, and other time-sensitive business information that organizations depend upon for operational continuity. This type of vulnerability aligns with CWE-284 (Improper Access Control) and may also relate to CWE-352 (Cross-Site Request Forgery) depending on implementation details, though the specific nature points toward access control failures rather than session management issues.
Mitigation strategies for this vulnerability should prioritize immediate patch deployment through Oracle's official security bulletins and update mechanisms, as the vulnerability affects multiple supported versions of the E-Business Suite. Organizations should implement network segmentation and access controls to limit exposure of the affected components, particularly by restricting HTTP access to only authorized network segments. The implementation of web application firewalls and intrusion detection systems can provide additional layers of protection by monitoring for suspicious HTTP traffic patterns that may indicate exploitation attempts. Security teams should conduct thorough assessments of calendar data access controls and implement principle of least privilege configurations to minimize potential damage from successful exploitation. Regular vulnerability scanning and penetration testing should be conducted to identify similar weaknesses in related components of the Oracle E-Business Suite ecosystem. According to ATT&CK framework, this vulnerability maps to T1190 (Exploit Public-Facing Application) and T1071.004 (Application Layer Protocol: DNS) as attackers may leverage the HTTP protocol to deliver malicious payloads, while the integrity impact aligns with T1495 (Firmware Corruption) and T1566 (Phishing) if calendar data manipulation affects business processes or user trust in the system. Organizations should also consider implementing automated patch management processes to ensure timely deployment of security updates and establish incident response procedures specifically tailored to address calendar-based data integrity compromises.