CVE-2013-1455 in Joomla
Summary
by MITRE
Joomla! 3.0.x through 3.0.2 allows attackers to obtain sensitive information via unspecified vectors related to an "Undefined variable."
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Analysis
by VulDB Data Team • 12/29/2021
The vulnerability identified as CVE-2013-1455 affects Joomla framework could potentially trigger this undefined variable scenario, making the vulnerability particularly concerning for security assessments and penetration testing activities.
The technical nature of this vulnerability involves an undefined variable that creates a potential information disclosure pathway for malicious actors. When Joomla! encounters a situation where a variable is referenced without being properly initialized or declared, the system may inadvertently expose internal information through error messages or unexpected behavior patterns. This undefined variable condition typically occurs in PHP applications when code attempts to access a variable that has not been defined in the current scope, potentially leading to information leakage through debug output or error reporting mechanisms. The vulnerability aligns with CWE-457: Use of Uninitialized Variable, which specifically addresses scenarios where uninitialized variables can result in unpredictable behavior and information disclosure.
From an operational impact perspective, this vulnerability poses significant risks to Joomla framework could be exploited, potentially allowing an attacker to gather sufficient information to conduct more sophisticated attacks such as privilege escalation or additional exploitation attempts. This vulnerability directly impacts the confidentiality aspect of the CIA triad and can enable attackers to gather intelligence for subsequent phases of an attack lifecycle.
The exploitation of this vulnerability typically requires minimal prerequisites and can be automated, making it attractive to threat actors seeking to compromise Joomla 3.0.x through 3.0.2 versions indicates that it was present during a critical period of the CMS's development, suggesting that organizations running these versions were exposed to potential information disclosure attacks. Security professionals should note that this vulnerability represents a fundamental flaw in the application's error handling mechanisms and underscores the importance of proper variable initialization and error management practices.
Organizations affected by this vulnerability should implement immediate mitigations including updating to Joomla! 3.0.3 or later versions where the undefined variable issue has been addressed through proper code fixes and variable initialization. Additionally, administrators should review and harden their error reporting configurations to prevent the exposure of sensitive information through error messages. The implementation of web application firewalls and security monitoring solutions can provide additional layers of protection against exploitation attempts. This vulnerability serves as a reminder of the critical importance of proper input validation and error handling in web applications, aligning with ATT&CK technique T1068: Exploitation for Privilege Escalation and highlighting the need for comprehensive security testing throughout the application development lifecycle.