Buffer overflow in Obdev Little Snitch

CVE-2016-8661

Little Snitch version 3.0 through 3.6.1 suffer from a buffer overflow vulnerability that could be locally exploited which could lead to an escalation of privileges (EoP) and unauthorised ring0 access to the operating system. The buffer overflow is related to insufficient checking of parameters to the "OSMalloc" and "copyin" kernel API calls.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (33.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2016-8661: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

  • Obdev Little Snitch — versions 3.0, 3.0.1, 3.0.2
  • Little Snitch Version 3.0 Through 3.6.1 — versions Little Snitch version 3.0 through 3.6.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2016-8661?
CVE-2016-8661 is a high-severity vulnerability in Obdev Little Snitch, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.4/10. Published 2016-11-15.
How severe is CVE-2016-8661?
High severity. CVSS v3 base score is 8.4 out of 10.