CVE-2008-2338 in ActiveKB
Summary
by MITRE
Interspire ActiveKB 1.5 and earlier allows remote attackers to gain privileges by setting the auth cookie to true when accessing unspecified scripts in /admin.
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Analysis
by VulDB Data Team • 10/22/2024
The vulnerability identified as CVE-2008-2338 affects Interspire ActiveKB version 1.5 and earlier, representing a critical authentication bypass flaw that could enable remote attackers to escalate privileges within the application. This issue stems from improper access control mechanisms within the administrative components of the software, specifically within the /admin directory structure. The vulnerability manifests when an attacker manipulates the auth cookie parameter to a value of true, thereby bypassing the normal authentication process required for administrative access. This type of vulnerability falls under the category of insecure direct object reference and weak session management, as outlined in CWE-639 and CWE-614 respectively, which are commonly exploited in privilege escalation attacks.
The technical implementation of this vulnerability exploits a fundamental flaw in the application's authentication logic where the system fails to properly validate user credentials before granting access to administrative functions. When an attacker accesses unspecified scripts located within the /admin directory and sets the auth cookie to true, the application incorrectly assumes the user possesses administrative privileges without performing proper authentication checks. This misconfiguration creates a path for unauthorized users to gain elevated access to the system's administrative interface, potentially allowing them to modify content, delete data, alter system configurations, or access sensitive information. The vulnerability represents a classic case of inadequate input validation and insufficient access control enforcement, which are core principles of secure application design.
From an operational impact perspective, this vulnerability poses significant risks to organizations utilizing Interspire ActiveKB versions 1.5 or earlier, as it provides attackers with a straightforward method to bypass authentication mechanisms and gain administrative control over the knowledge base system. The implications extend beyond simple unauthorized access, as administrative privileges typically grant users the ability to modify all content, manage user accounts, and potentially access sensitive configuration data. Attackers could exploit this vulnerability to inject malicious content, alter existing documentation, or even establish persistent access points within the organization's infrastructure. The attack vector is particularly concerning because it requires minimal technical expertise to execute, making it attractive to a wide range of threat actors from script kiddies to sophisticated attackers. This vulnerability aligns with ATT&CK technique T1078.004 for valid accounts and T1566.001 for phishing, as it leverages the trust model of the application to bypass legitimate authentication.
The recommended mitigation strategies for this vulnerability involve immediate patching of the affected software to version 1.6 or later, which addresses the authentication bypass flaw through proper session validation and access control enforcement. Organizations should implement network segmentation to limit access to the /admin directory and ensure that administrative functions are only accessible from trusted network segments. Additionally, implementing robust monitoring and logging mechanisms around authentication attempts and administrative access patterns can help detect potential exploitation attempts. Security hardening practices should include disabling unnecessary administrative access points, implementing multi-factor authentication for administrative accounts, and conducting regular security assessments to identify similar vulnerabilities in the application stack. The vulnerability serves as a reminder of the critical importance of proper authentication implementation and access control validation in web applications, particularly those handling sensitive organizational information.