CVE-2006-3046 in Subtext
Summary
by MITRE
Unspecified vulnerability in the admin login feature in Subtext 1.5, in a multiblog setup, allows remote administrators of one blog to login to another blog.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 07/29/2018
The vulnerability described in CVE-2006-3046 represents a critical access control flaw within the Subtext 1.5 content management system that operates in multiblog environments. This issue specifically targets the administrative login functionality and creates a scenario where unauthorized users can escalate their privileges to gain administrative access across multiple blogs within the same system. The vulnerability arises from insufficient session management and authentication boundary enforcement between different blog instances sharing the same administrative infrastructure.
This security weakness stems from improper handling of user sessions and authentication tokens within the multiblog architecture of Subtext 1.5. When administrators log into one blog instance, the system fails to properly isolate their session context from other blog instances, allowing session hijacking or token reuse attacks. The flaw essentially enables a remote attacker who has administrative access to one blog to leverage that access to compromise other blogs within the same installation, creating a privilege escalation scenario that violates fundamental security principles of separation of concerns and access isolation.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it fundamentally undermines the security model of multiblog systems. Administrators may inadvertently expose sensitive data, modify content across multiple blogs, or perform administrative actions on systems they should not have access to. This creates a cascading security risk where compromising a single blog instance can lead to complete system compromise. The vulnerability affects the integrity and confidentiality of all blog data within the multiblog environment, potentially exposing private content, user information, and administrative configurations.
The technical implementation of this flaw aligns with CWE-285, which addresses improper authorization in authentication systems, and demonstrates characteristics consistent with ATT&CK technique T1078.004 for valid accounts used for lateral movement. Organizations using Subtext 1.5 in multiblog configurations face significant risk of unauthorized administrative access, particularly when multiple administrators manage different blogs within the same installation. The vulnerability's remote nature means that attackers can exploit it without requiring physical access or local system privileges, making it particularly dangerous in shared hosting environments or multi-tenant systems.
Mitigation strategies for this vulnerability should include immediate implementation of proper session isolation between blog instances, enforcement of strict authentication boundaries, and deployment of additional access control measures. System administrators should consider upgrading to newer versions of Subtext that address this issue, implementing network segmentation to isolate blog instances, and establishing robust monitoring for unauthorized administrative access attempts. The fix should ensure that each blog instance maintains independent session management and that authentication tokens are properly scoped to specific blog contexts, preventing cross-contamination of administrative privileges. Additionally, organizations should conduct thorough security audits of their multiblog installations to identify and remediate similar access control weaknesses that may exist in other components of their web application infrastructure.