CVE-2013-3056 in Joomla
Summary
by MITRE
Joomla! 2.5.x before 2.5.10 and 3.0.x before 3.0.4 allows remote authenticated users to bypass intended privilege requirements and delete the private messages of arbitrary users via unspecified vectors.
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Analysis
by VulDB Data Team • 01/02/2022
The vulnerability identified as CVE-2013-3056 represents a critical access control flaw within the Joomla platform, creating a significant escalation of privileges scenario where low-privileged users can perform administrative actions against other users' data. The vulnerability demonstrates a classic case of insufficient authorization checks, where the system fails to properly validate user permissions before executing destructive operations on behalf of other users.
The technical implementation of this vulnerability involves manipulation of the message deletion process through unspecified vectors that likely include parameter tampering or session manipulation techniques. Attackers can leverage their authenticated status to craft malicious requests that target specific user IDs or message identifiers, effectively circumventing the normal access control mechanisms that should prevent users from deleting messages not belonging to them. This flaw operates at the application layer and requires only basic authentication credentials to exploit, making it particularly dangerous as it can be leveraged by any authenticated user regardless of their role or permissions within the system. The vulnerability essentially allows for a form of privilege escalation where users can perform actions typically restricted to administrators or users with elevated permissions, specifically targeting the confidentiality and integrity of private communications within the platform. From a cybersecurity perspective, this vulnerability aligns with CWE-284, which addresses improper access control issues, and demonstrates how weak input validation can lead to unauthorized data manipulation.
The operational impact of CVE-2013-3056 extends beyond simple data deletion, as it compromises the trust and privacy expectations of users within the Joomla! ecosystem. Organizations using affected versions face potential reputational damage when users discover their private communications have been tampered with or deleted by other authenticated users. The vulnerability can be exploited to disrupt communication channels, potentially leading to information leakage or social engineering opportunities where attackers might delete messages containing sensitive information. In enterprise environments, this could result in compliance violations if private communications contain protected data, as the system fails to maintain proper access controls for user-generated content. The vulnerability also creates opportunities for attackers to gather intelligence about other users through message deletion patterns or by manipulating the system to identify valid user accounts through successful exploitation attempts. From an attack lifecycle perspective, this vulnerability maps to multiple ATT&CK tactics including privilege escalation and credential access, as it allows attackers to perform actions beyond their intended permissions while maintaining their authenticated session.
Mitigation strategies for CVE-2013-3056 require immediate patching of affected Joomla! installations to versions 2.5.10 or 3.0.4, which contain the necessary security fixes. Organizations should implement comprehensive access control monitoring to detect unauthorized message deletion activities and establish audit trails for private messaging operations. Network segmentation and role-based access controls should be reinforced to limit the potential impact of compromised accounts, while security awareness training can help users recognize suspicious activities in messaging systems. Regular security assessments should include testing for similar access control vulnerabilities in custom extensions or third-party components that might interact with the messaging system. Additionally, organizations should implement automated monitoring solutions that can detect anomalous deletion patterns or unauthorized access attempts to private messaging functionality. The vulnerability highlights the importance of proper input validation and access control implementation, emphasizing that all user actions involving data manipulation should be rigorously validated against the authenticated user's permissions and intended scope of access.