CVE-2017-8917 in Joomla
Summary
by MITRE
SQL injection vulnerability in Joomla! 3.7.x before 3.7.1 allows attackers to execute arbitrary SQL commands via unspecified vectors.
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Analysis
by VulDB Data Team • 04/24/2025
The SQL injection vulnerability identified as CVE-2017-8917 affects Joomla and allows attackers to manipulate SQL queries through unsanitized input parameters, potentially leading to complete database compromise.
The technical implementation of this vulnerability occurs when user-supplied input is directly incorporated into SQL query construction without proper sanitization or parameterization. Attackers can exploit this weakness by crafting malicious input that alters the intended SQL query structure, enabling them to extract sensitive data, modify database records, or even gain administrative access to the Joomla! installation. The vulnerability manifests across multiple attack vectors within the CMS framework, making it particularly dangerous as it can be leveraged through various components and modules that interact with the database. This type of injection vulnerability aligns with the ATT&CK framework's technique T1071.004, which covers application layer protocol manipulation, and T1046, involving network service scanning and exploitation.
The operational impact of CVE-2017-8917 extends beyond simple data theft, as successful exploitation can lead to complete system compromise and persistent backdoor access. Attackers can leverage this vulnerability to establish a foothold within the target environment, potentially escalating privileges and moving laterally through the network infrastructure. The vulnerability affects not only the database integrity but also the overall availability and confidentiality of the Joomla! installation, as unauthorized users can manipulate content, delete critical records, or inject malicious code into the web application. Organizations running affected versions face significant risk of data breaches, regulatory compliance violations, and potential legal consequences due to the exposure of sensitive information.
Mitigation strategies for CVE-2017-8917 primarily focus on immediate patching and remediation efforts, as the vulnerability has been addressed in Joomla platform.