J-Security Center

Title: Overland Storage Snap Server 410 'less' Command Local Privilege Escalation Vulnerability

Severity: HIGH


Overland Storage Snap Server 410 is a network storage device. Snap Server 410 runs the GuardianOS operating system.

Snap Server 410 is prone to a local privilege-escalation vulnerability. Specifically, the 'less' utility can execute arbitrary shell commands through the '!' function. These commands are run with root privileges.

Successful exploits may allow attackers to execute arbitrary code with elevated privileges.

This issue affects Snap Server 410 running GuardianOS 5.1.041; other versions or devices may also be affected.

Affected Products:

  • Overland Storage GuardianOS 5.1.041
  • Overland Storage Snap Server 410


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