CVE-2014-9355 in Puppet
Summary
by MITRE
Puppet Enterprise before 3.7.1 allows remote authenticated users to obtain licensing and certificate signing request information by leveraging access to an unspecified API endpoint.
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Analysis
by VulDB Data Team • 04/04/2018
The vulnerability identified as CVE-2014-9355 affects Puppet Enterprise versions prior to 3.7.1, representing a significant information disclosure flaw that undermines the security posture of managed infrastructure environments. This weakness stems from insufficient access controls on a specific API endpoint within the Puppet Enterprise framework, which is designed to manage configuration and deployment across distributed systems. The vulnerability enables authenticated attackers who already possess valid credentials to access sensitive licensing information and certificate signing request details that should remain restricted to authorized administrative personnel.
The technical implementation of this flaw involves improper authorization checks within the Puppet Enterprise API layer, allowing attackers to traverse API endpoints that should be protected from unauthorized access. The vulnerability specifically targets an unspecified API endpoint that handles licensing data and certificate management operations, creating a potential attack vector for information gathering and privilege escalation. This type of vulnerability aligns with CWE-284, which addresses improper access control in software systems, and represents a classic case of insufficient authorization mechanisms that permit authenticated users to access resources beyond their intended scope.
The operational impact of this vulnerability extends beyond simple information disclosure, as licensing information can reveal critical details about software usage, deployment scales, and organizational infrastructure. Certificate signing request data provides attackers with insights into the organization's certificate management practices and potentially exposes intermediate certificates that could be used for further attacks. This information can facilitate advanced persistent threats by enabling attackers to craft more convincing phishing campaigns or to identify potential certificate validation weaknesses in the organization's PKI infrastructure. The vulnerability particularly affects organizations that rely heavily on Puppet Enterprise for configuration management, as it undermines the trust model that the platform is designed to maintain.
Organizations should prioritize immediate remediation by upgrading to Puppet Enterprise 3.7.1 or later versions that contain the necessary access control patches. Network segmentation and monitoring of API endpoint access patterns can provide additional layers of defense, while implementing principle of least privilege access controls ensures that only necessary personnel can access sensitive licensing and certificate information. The ATT&CK framework categorizes this vulnerability under T1087.001 - Account Discovery and T1566.001 - Phishing, as attackers can leverage the disclosed information for further reconnaissance and social engineering attacks. Regular security assessments of API endpoints and implementation of comprehensive logging mechanisms will help detect unauthorized access attempts and provide evidence for incident response activities. Organizations should also review their certificate management practices and ensure proper key rotation procedures are in place to minimize the impact of any potential certificate-related compromises that may result from this vulnerability.