Source: cve@mitre.org
Unknown vulnerability in Windows File Sharing for Mac OS X 10.1.5 through 10.3.2 does not "shutdown properly," which has unknown impact and attack vectors.
Critical vulnerability exists in Windows File Sharing for Mac OS X, potentially allowing for unspecified impact due to improper shutdown procedures. This flaw could lead to system instability, data corruption, or unauthorized access, requiring immediate investigation and mitigation. The lack of specific details makes this a high-risk, unknown-attack-vector scenario.
Step 1: Trigger Condition: An event initiates the shutdown of the Windows File Sharing service.
Step 2: Shutdown Sequence: The service begins its shutdown process, attempting to release resources.
Step 3: Resource Leak/Corruption: Due to a flaw, the service fails to properly release resources such as file locks, network connections, or shared memory.
Step 4: System Instability: The improper shutdown leads to system instability, potentially causing data corruption or denial of service.
Step 5: Exploitation (Potential): Depending on the nature of the flaw, an attacker could potentially exploit the inconsistent state to gain unauthorized access or execute arbitrary code. This is speculative given the lack of specific details.
The root cause likely stems from a flaw in how the Windows File Sharing service handles shutdown procedures. The description indicates that the service 'does not shutdown properly,' suggesting a potential for resource leaks, memory corruption, or race conditions. Without further information, it's impossible to pinpoint the exact function or logic flaw, but the improper shutdown implies a failure to release resources correctly, potentially leaving the system in an inconsistent state. This could be triggered by a malformed request during the shutdown sequence, leading to a denial-of-service or, in a worst-case scenario, the ability to execute arbitrary code. The lack of specific details makes it difficult to determine the exact nature of the vulnerability, but it is likely related to how the service handles file locks, network connections, or shared memory during the shutdown process.
Due to the age and lack of specific details, there is no direct association with specific APT groups or known malware campaigns. However, any vulnerability that can lead to system instability or unauthorized access is of interest to threat actors. This CVE is not listed in the CISA KEV catalog.
Monitor system logs for unexpected errors or crashes related to the Windows File Sharing service.
Analyze network traffic for unusual activity during shutdown or service restarts.
Examine file system integrity after service shutdowns for signs of data corruption.
Implement file integrity monitoring to detect changes to critical system files related to file sharing.
Upgrade to a patched version of Mac OS X that addresses the vulnerability. Since the specific version is not known, ensure the OS is up to date.
Disable the Windows File Sharing service if it is not required.
Implement robust logging and monitoring to detect and respond to suspicious activity.
Regularly back up critical data to mitigate the impact of potential data corruption.
Review and harden network security configurations to limit access to the file-sharing service.