Joyent SmartOS dtrace Information Disclosure Vulnerability
Vulnerability Details
This vulnerability allows attackers to disclose sensitive information on vulnerable installations of Joyent SmartOS. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or 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. An attacker can leverage this vulnerability to read arbitrary memory from the headnode where the zone resides.
Additional Details
Joyent has issued an update to correct this vulnerability. More details can be found at:
https://help.joyent.com/entries/99083238--UPDATED-Security-Advisory-Docker-DTrace-and-MAC-Protection-Vulnerabilities
Disclosure Timeline
- 2016-04-14 - Vulnerability reported to vendor
- 2016-08-29 - Coordinated public release of advisory
Credit
Ben Murphy
