What is CVE-2016-2336?

CVE-2016-2336 is a critical-severity vulnerability in Ruby. CVSS score: 9.8/10. Published 2017-01-06.

How severe is CVE-2016-2336?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Ruby

CVE-2016-2336

Type confusion exists in two methods of Ruby's WIN32OLE class, ole_invoke and ole_query_interface. Attacker passing different type of object than this assumed by developers can cause arbitrary code execution.

EPSS: 0.013 (79.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ruby — versions 2.2.2, 2.3.0 dev
Ruby-lang Ruby — versions 2.2.2, 2.3.0

References

cret@cert.org (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2016-2336?: CVE-2016-2336 is a critical-severity vulnerability in Ruby. CVSS score: 9.8/10. Published 2017-01-06.
How severe is CVE-2016-2336?: Critical severity. CVSS v3 base score is 9.8 out of 10.