CVE-2005-4200 in MyBB
Summary
by MITRE
Multiple unspecified vulnerabilities in MyBulletinBoard (MyBB) before 1.0 have unknown impact and attack vectors, a different set of vulnerabilities than those identified by CVE-2005-4199.
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Analysis
by VulDB Data Team • 07/06/2021
The vulnerability identified as CVE-2005-4200 affects MyBulletinBoard version 1.0 and earlier, representing a class of undisclosed security flaws within this popular bulletin board system. MyBB was widely adopted in 2005 as a web-based discussion platform for online communities, making its security implications particularly concerning for organizations and users relying on its functionality. The vulnerability classification indicates that these issues were not specifically catalogued in the initial CVE entry, suggesting they may have been discovered through separate analysis or were subsequently identified as distinct from the vulnerabilities covered in CVE-2005-4199, which typically encompassed different attack surfaces.
These unspecified vulnerabilities within MyBB before version 1.0 represent a significant security risk as bulletin board systems often handle sensitive user data, including personal information, private messages, and potentially confidential discussions. The lack of specific details in the CVE description indicates that the exact nature of these flaws was not fully disclosed at the time of the vulnerability disclosure, which is common for early vulnerability assessments when security researchers may be conducting ongoing analysis or when the full scope of the issue remains unclear. The absence of defined attack vectors suggests that the vulnerabilities may have been exploitable through multiple methods, including but not limited to cross-site scripting, SQL injection, or privilege escalation attacks.
The operational impact of these vulnerabilities would have been substantial for organizations using MyBB, as bulletin board systems serve as critical communication platforms for communities, forums, and internal collaboration environments. The unknown impact and attack vectors make these vulnerabilities particularly dangerous because administrators would have been unable to properly assess the risk level or implement targeted defensive measures. The vulnerabilities could have enabled unauthorized access to user accounts, data manipulation, or complete system compromise depending on the nature of the underlying flaw. This type of vulnerability aligns with CWE categories related to insufficient input validation and weak access controls, which are fundamental security weaknesses commonly found in web applications.
From a threat modeling perspective, these vulnerabilities would likely have been categorized under ATT&CK techniques involving credential access, privilege escalation, and data manipulation. The attack surface for bulletin board systems typically includes user authentication mechanisms, message handling functions, and administrative interfaces that could have been exploited through the unspecified vulnerabilities. Organizations using MyBB before version 1.0 would have been particularly vulnerable to attacks targeting the core functionality of the platform, potentially enabling attackers to gain unauthorized access to user accounts or manipulate forum content. The lack of detailed information about these specific vulnerabilities underscores the importance of maintaining updated software versions and implementing comprehensive security monitoring practices.
The remediation approach for these vulnerabilities would have required immediate application of patches or upgrades to MyBB version 1.0 or later, as the vulnerability existed in the software before this release. Security practitioners would have needed to conduct thorough assessments of their MyBB installations to determine the exact version in use and implement appropriate upgrade procedures. The vulnerabilities described in CVE-2005-4200 highlight the critical importance of regular security updates and vulnerability management processes, particularly for widely deployed web applications that handle sensitive user information. Organizations should have implemented network monitoring to detect potential exploitation attempts and established incident response procedures to address any compromise that may have occurred due to these vulnerabilities.