Joyent SmartOS dtrace Information Disclosure Vulnerability

Vulnerability Details

This vulnerability allows local attackers to disclose information on vulnerable installations of Joyent SmartOS. User interaction is required to exploit this vulnerability in that the target must open a malicious file.

The specific flaw exists within the dtrace implementation in SmartOS. A function within this implementation allows for arbitrary reads from kernel space. This allows an attacker to read arbitrary memory from the headnode where the zone resides.

Additional Details

Disclosure Timeline

• 2016-01-26 - Vulnerability reported to vendor
• 2016-08-10 - Coordinated public release of advisory

Credit

Ben Murphy

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