CVE-2008-1480 in Solaris
Summary
by MITRE
rpc.metad in Sun Solaris 10 allows remote attackers to cause a denial of service (daemon crash) via a malformed RPC request.
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Analysis
by VulDB Data Team • 06/01/2025
The vulnerability identified as CVE-2008-1480 resides within the rpc.metad daemon component of Sun Solaris 10 operating systems, representing a critical security flaw that enables remote attackers to execute denial of service attacks against targeted systems. This vulnerability specifically affects the metadata daemon service that handles remote procedure calls, making it a significant concern for enterprise environments that rely on Solaris 10 for their computing infrastructure. The rpc.metad service operates as part of the Network File System (NFS) and remote procedure call infrastructure, serving as a metadata server that maintains information about file systems and their attributes. When exploited, this vulnerability demonstrates the classic characteristics of a buffer overflow or input validation flaw that can cause the daemon process to crash and restart, effectively disrupting legitimate network services.
The technical implementation of this vulnerability stems from insufficient input validation within the rpc.metad daemon when processing incoming remote procedure call requests. Attackers can craft malformed RPC requests that exploit weaknesses in the daemon's parsing logic, causing memory corruption or stack overflow conditions that ultimately result in process termination. This type of vulnerability aligns with CWE-121, which describes buffer overflow conditions in stack-based buffers, and CWE-122, which addresses heap-based buffer overflows that can lead to arbitrary code execution or system instability. The flaw occurs at the protocol level where the daemon fails to properly validate the structure and content of incoming RPC messages before processing them, creating an opportunity for malicious actors to inject malformed data that triggers unexpected behavior in the service.
The operational impact of CVE-2008-1480 extends beyond simple service disruption, as it can severely compromise the availability and reliability of network services that depend on the affected Solaris 10 systems. Organizations utilizing NFS services, file sharing capabilities, and remote administration functions may experience cascading failures when the rpc.metad daemon crashes, potentially affecting multiple users and applications simultaneously. The vulnerability can be particularly damaging in enterprise environments where Solaris 10 servers serve as critical infrastructure components for data storage and network services. From an attack perspective, this vulnerability demonstrates characteristics consistent with the ATT&CK framework's privilege escalation and denial of service tactics, where adversaries can leverage the flaw to disrupt operations without requiring elevated privileges or sophisticated exploitation techniques.
Mitigation strategies for CVE-2008-1480 should focus on immediate patch deployment from Oracle, as the vulnerability was addressed through official security updates that corrected the input validation logic within the rpc.metad daemon. System administrators should implement network segmentation and access controls to limit exposure of the affected service to trusted networks only, while monitoring for suspicious RPC traffic patterns that may indicate exploitation attempts. Additionally, implementing intrusion detection systems with signature-based detection for known malformed RPC request patterns can provide early warning capabilities. Organizations should also consider disabling unnecessary RPC services when not required for business operations, reducing the attack surface available to potential attackers. The vulnerability serves as a reminder of the importance of maintaining up-to-date security patches and implementing robust network monitoring practices to detect and respond to exploitation attempts before they can cause significant operational disruption.