CVE-2008-6136 in EveryBlog
Summary
by MITRE
Unspecified vulnerability in EveryBlog 5.x and 6.x, a module for Drupal, allows remote attackers to gain privileges as another user or an administrator via unknown attack vectors.
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Analysis
by VulDB Data Team • 10/28/2018
The vulnerability identified as CVE-2008-6136 resides within EveryBlog module version 5.x and 6.x for the Drupal content management system, representing a critical security flaw that enables unauthorized privilege escalation. This module, designed to facilitate blog functionality within Drupal environments, contained an unspecified weakness that could be exploited by remote attackers to assume the identities of other users or even administrators. The vulnerability's classification as unspecified indicates that the exact technical mechanism was not fully disclosed in the initial reporting, but the implications for system security were severe enough to warrant immediate attention. The attack vectors remain undisclosed, which suggests that the exploitation method was either complex or that the vulnerability was particularly insidious in its nature.
The technical flaw within EveryBlog module likely stems from improper access control mechanisms or inadequate input validation within the user privilege management system. Such vulnerabilities typically manifest when the application fails to properly verify user permissions or when session management is flawed, allowing attackers to manipulate authentication tokens or bypass authorization checks. This particular vulnerability would have been classified under CWE-284 Access Control Issues or potentially CWE-264 Permissions, Privileges, and Access Controls, as it directly relates to unauthorized privilege escalation. The unspecified nature of the attack vector suggests that the flaw may have involved multiple exploitation paths or that the vulnerability was subtle enough to be difficult to categorize definitively without detailed analysis.
From an operational standpoint, this vulnerability posed significant risks to Drupal installations utilizing the EveryBlog module, as it could enable attackers to gain administrative control over entire websites or web applications. The ability to impersonate other users or administrators meant that attackers could potentially access sensitive data, modify content, delete information, or even install malicious code within the compromised systems. The remote nature of the attack vectors indicated that exploitation could occur from anywhere on the internet without requiring physical access to the target system, making the vulnerability particularly dangerous for publicly accessible web applications. Organizations running affected Drupal versions were exposed to potential data breaches, service disruption, and reputational damage, as the vulnerability could be exploited without detection for extended periods.
The mitigation strategies for CVE-2008-6136 would have centered around immediate patching and updating of the EveryBlog module to versions that addressed the unspecified vulnerability. System administrators were advised to upgrade to the latest available versions of both Drupal core and the EveryBlog module, as these updates would contain the necessary security fixes. Additionally, implementing network-level security controls such as firewalls, intrusion detection systems, and web application firewalls could help reduce the attack surface and provide additional protection layers. Organizations should have also conducted thorough security assessments of their Drupal installations to identify any other potentially vulnerable modules or components. The vulnerability's classification aligns with ATT&CK technique T1078 Valid Accounts, as it enabled attackers to gain access to accounts with elevated privileges, and potentially T1484.1 Domain Policy Modification if the privilege escalation led to domain-level control. Regular security monitoring and vulnerability scanning should have been implemented to detect similar issues in other modules and components of the Drupal ecosystem.