Integer overflow in Joyent Smartos

CVE-2016-8733

An exploitable integer overflow exists in the Joyent SmartOS 20161110T013148Z Hyprlofs file system. The vulnerability is present in the Ioctl system call with the command HYPRLOFS_ADD_ENTRIES when dealing with native file systems. An attac…

Vulnerability class: Integer Overflow

EPSS: 0.001 (33.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • 94920 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_BID, Broken Link)
  • talos-cna@cisco.com (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2016-8733?
CVE-2016-8733 is a high-severity vulnerability in Joyent Smartos, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2016-12-14.
How severe is CVE-2016-8733?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2016-8733 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.