CVE-2005-3071 in Solaris
Summary
by MITRE
Unspecified vulnerability in Unix File System (UFS) on Solaris 8 and 9, when logging is enabled, allows local users to cause a denial of service ("soft hang") via certain write operations to UFS.
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Analysis
by VulDB Data Team • 06/29/2025
The vulnerability described in CVE-2005-3071 represents a critical flaw within the Unix File System implementation on Solaris operating systems, specifically affecting versions 8 and 9. This issue manifests when the file system logging mechanism is active, creating a potential vector for local privilege escalation and system instability. The vulnerability falls under the category of denial of service conditions that can result in system soft hangs, effectively rendering the affected system unresponsive to legitimate operations. From a cybersecurity perspective, this represents a significant concern as it allows local attackers to disrupt system operations without requiring elevated privileges, making it particularly dangerous in multi-user environments where system stability is paramount.
The technical root cause of this vulnerability lies in how the UFS handles write operations when logging is enabled, creating a condition where specific sequences of file system interactions can cause the system to enter a non-responsive state. This flaw typically occurs during concurrent write operations where the logging mechanism fails to properly manage resource allocation and synchronization. The vulnerability is classified as a local privilege escalation issue since it requires only local system access to exploit, making it accessible to users who already have login credentials. This characteristic aligns with CWE-119, which addresses weaknesses in memory handling that can lead to system instability and denial of service conditions.
The operational impact of CVE-2005-3071 extends beyond simple service disruption, as it can compromise the integrity of file system operations and potentially lead to data corruption or loss. When a system experiences a soft hang due to this vulnerability, it can affect not only the immediate user but also other processes running on the same system, creating cascading failures that may require manual intervention to resolve. The vulnerability's exploitation typically requires understanding of the underlying UFS implementation and specific write operation patterns that trigger the logging mechanism's failure state. This makes it particularly dangerous in enterprise environments where Solaris systems may be running critical applications that depend on consistent file system availability and performance.
Mitigation strategies for this vulnerability should focus on immediate system hardening measures including disabling unnecessary logging features when they are not required for system operations, implementing proper access controls to limit local user privileges, and applying the appropriate security patches provided by Oracle. The ATT&CK framework categorizes this type of vulnerability under privilege escalation techniques, specifically targeting system services and file system components. Organizations should also consider implementing monitoring solutions that can detect unusual system behavior patterns that may indicate exploitation attempts. Regular system auditing and vulnerability assessments should include checks for enabled logging features that could be susceptible to this specific flaw. Additionally, system administrators should maintain detailed documentation of system configurations and regularly update their understanding of Solaris file system behavior under various operational conditions to prevent similar vulnerabilities from being overlooked.