CVE-2012-5604 in Cloudforms
Summary
by MITRE
The ldap_fluff gem for Ruby, as used in Red Hat CloudFroms 1.1, when using Active Directory for authentication, allows remote attackers to bypass authentication via unspecified vectors.
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Analysis
by VulDB Data Team • 02/25/2019
The ldap_fluff gem vulnerability CVE-2012-5604 represents a critical authentication bypass flaw that affected Red Hat CloudForms 1.1 systems utilizing Active Directory integration. This vulnerability specifically targets the authentication mechanism employed by the gem when processing LDAP bind operations against Active Directory servers, creating a pathway for unauthorized access that undermines the fundamental security controls of the platform. The flaw manifests during the authentication process where legitimate user credentials are processed through the ldap_fluff gem, which is designed to facilitate LDAP communication between Ruby applications and directory services.
The technical implementation of this vulnerability stems from improper handling of LDAP authentication responses within the ldap_fluff gem's codebase, particularly when interfacing with Active Directory's authentication protocols. The unspecified vectors mentioned in the description suggest that the flaw exists in how the gem processes certain LDAP bind operations or response codes, potentially allowing malicious actors to manipulate the authentication flow without proper credential validation. This type of vulnerability falls under the category of authentication bypass flaws, which are classified as CWE-287 within the Common Weakness Enumeration framework, representing improper authentication mechanisms that permit unauthorized access to protected resources.
The operational impact of CVE-2012-5604 extends beyond simple credential theft, as it enables attackers to gain unauthorized access to CloudForms management interfaces and the underlying systems they control. Organizations utilizing Red Hat CloudForms 1.1 with Active Directory integration faced significant risk exposure, as successful exploitation could lead to complete system compromise, data breaches, and unauthorized modification of cloud infrastructure configurations. The vulnerability's presence in a cloud management platform creates cascading security implications, as attackers could potentially access virtual machines, storage resources, and network configurations managed through the compromised CloudForms instance.
Security professionals should note that this vulnerability aligns with ATT&CK technique T1078.004 which covers valid accounts used for unauthorized access, as the flaw allows attackers to bypass authentication without requiring compromised credentials. The attack surface is particularly concerning for enterprise environments that rely on centralized authentication systems, as it undermines the trust model that Active Directory provides. Organizations should implement immediate mitigations including patching the ldap_fluff gem to the latest secure version, disabling unnecessary LDAP authentication features, and implementing additional authentication layers such as multi-factor authentication to reduce the risk of exploitation. Network segmentation and monitoring of LDAP traffic can also help detect anomalous authentication patterns that may indicate exploitation attempts, while regular security assessments should verify that all components within the CloudForms environment maintain current security patches.