CVE-2009-0171 in Sparc Enterprise Server
Summary
by MITRE
The Sun SPARC Enterprise M4000 and M5000 Server, within a certain range of serial numbers, allows remote attackers to use the manufacturing root password, perform a root login to the eXtended System Control Facility Unit (aka XSCFU or Service Processor), and have unspecified other impact.
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Analysis
by VulDB Data Team • 12/06/2017
The vulnerability identified as CVE-2009-0171 affects Sun SPARC Enterprise M4000 and M5000 servers within specific serial number ranges, representing a critical security flaw in the system's service processor architecture. This weakness stems from the inclusion of a hardcoded manufacturing root password that remains accessible even after the device has been deployed in production environments. The affected systems utilize the eXtended System Control Facility Unit (XSCFU) or Service Processor for remote management and monitoring functions, creating a persistent backdoor that adversaries can exploit to gain unauthorized administrative access.
The technical implementation of this vulnerability involves a hardcoded credential mechanism within the service processor firmware that was intended for manufacturing and initial deployment purposes but was not properly removed or disabled in production units. This design flaw allows remote attackers to authenticate using the predetermined root credentials without requiring legitimate authentication mechanisms. The XSCFU component operates independently of the main system processor and provides out-of-band management capabilities, making it a prime target for attackers seeking persistent access to enterprise server infrastructure. The vulnerability specifically impacts systems where the manufacturing root password has not been changed during the initial deployment process.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it provides attackers with root-level privileges to manipulate system configurations, access sensitive data, and potentially compromise the entire server infrastructure. The unspecified other impacts suggest that this vulnerability may enable additional attack vectors including privilege escalation, system modification, or data exfiltration capabilities. Given that these servers are typically deployed in enterprise environments with critical business applications and sensitive data, the compromise of such systems can lead to significant financial losses, regulatory compliance violations, and operational disruptions. The vulnerability affects the core security model of the system by undermining the fundamental principle of unique authentication credentials for each deployment.
Organizations should implement immediate mitigations including changing the default service processor passwords, disabling unnecessary remote management interfaces, and conducting comprehensive inventory audits to identify affected serial number ranges. The vulnerability aligns with CWE-798, which addresses the use of hard-coded credentials, and represents a classic example of poor security implementation during the manufacturing process. From an attack perspective, this vulnerability maps to the ATT&CK technique T1078.004, which involves valid accounts with default passwords, and T1021.001, covering remote services. System administrators should also consider implementing network segmentation to isolate service processor interfaces and establish monitoring for unauthorized access attempts. Regular firmware updates and security assessments are essential to prevent similar vulnerabilities in future deployments, as this flaw demonstrates the critical importance of proper credential management throughout the product lifecycle.