CVE-2022-23802 in Guru Extension
Summary
by MITRE • 05/06/2022
Joomla Guru extension 5.2.5 is affected by: Insecure Permissions. The impact is: obtain sensitive information (remote). The component is: Access to private information and components, possibility to view other users' information. Information disclosure Access to private information and components, possibility to view other users' information.
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Analysis
by VulDB Data Team • 05/11/2022
The vulnerability identified as CVE-2022-23802 affects the Joomla Guru extension version 5.2.5 and represents a critical insecure permissions flaw that enables remote attackers to access sensitive information. This issue resides within the extension's access control mechanisms, where proper authorization checks are missing or improperly implemented, allowing unauthorized users to bypass security restrictions and gain access to private data. The vulnerability specifically impacts the extension's ability to enforce proper user permissions, creating a pathway for information disclosure that extends beyond the intended scope of access controls.
The technical implementation of this vulnerability stems from inadequate validation of user privileges within the Guru extension's component architecture. When users interact with the extension's functionality, the system fails to properly verify whether the requesting user has appropriate authorization levels to access specific components or private information. This weakness creates a direct pathway for attackers to manipulate access controls and view data that should be restricted to authorized users only. The flaw operates at the application level, specifically within the authentication and authorization subsystems, where proper session management and privilege validation mechanisms are either absent or flawed.
From an operational impact perspective, this vulnerability presents significant risks to organizations using the Joomla Guru extension, as it allows remote attackers to obtain private information without requiring valid credentials or elevated privileges. The scope of information disclosure includes access to other users' private data, component-level information, and potentially sensitive business or personal details stored within the extension's database. This exposure can lead to data breaches, privacy violations, and potential cascading security issues that may affect other systems within the organization's infrastructure. The remote nature of the exploit means that attackers can leverage this vulnerability from outside the network perimeter without requiring physical access or additional authentication credentials.
Security professionals should consider this vulnerability in the context of CWE-284, which addresses improper access control issues, and align it with ATT&CK framework techniques related to privilege escalation and credential access. The vulnerability demonstrates characteristics of T1078 which involves valid accounts and T1566 which encompasses spearphishing with a malicious attachment or link, as attackers may exploit this weakness to gain unauthorized access to sensitive information. Organizations should implement immediate mitigations including updating to the patched version of the Guru extension, reviewing and strengthening access control policies, and conducting thorough security assessments of all installed Joomla extensions. Additionally, network monitoring should be enhanced to detect suspicious access patterns that may indicate exploitation attempts, and regular security audits should be performed to identify similar permission-related vulnerabilities across the entire Joomla installation and associated extensions.