Joyent SmartOS Hyprlofs FS IOCTL Native File System Integer Overflow Privilege Escalation Vulnerability(CVE-2016-8733)

Summary An exploitable integer overflow exists in the Joyent SmartOS OS 20161110T013148Z Hyprlofs file system. The vulnerability is present in the Ioctl system call with the command HYPRLOFSADDENTRIES when dealing with native file systems. An attacker can craft an input that can cause a kernel...

CVE-2016-8733

CVE-2016-8733 concerns Joyent SmartOS, specifically the Hyprlofs file system. The vulnerability resides in the Ioctl handling path for HYPRLOFS_ADD_ENTRIES when dealing with native/file-system data models. A user-supplied length (an unsigned integer) is cast to a signed int, bypassing an upper bo...