CVE-2016-2337

Public Exploit

Description

Type confusion exists in _cancel_eval Ruby's TclTkIp class method. Attacker passing different type of object than String as "retval" argument can cause arbitrary code execution.

9.8

CVSS

Severity: Critical

CVSS 3.0 •

CVSS 2.0 •

EPSS 1.09% Top 25%

Vendor Advisory gentoo.org

Affected: Ruby Ruby

Affected: Tcl Tcl/Tk

References

Link	Tags
http://www.talosintelligence.com/reports/TALOS-2016-0031/	exploit vdb entry third party advisory technical description
http://www.securityfocus.com/bid/91233	vdb entry
https://lists.debian.org/debian-lts-announce/2018/08/msg00028.html	mailing list
https://security.gentoo.org/glsa/201710-18	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-2337?: CVE-2016-2337 has been scored as a critical severity vulnerability.
How to fix CVE-2016-2337?: To fix CVE-2016-2337, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-2337 being actively exploited in the wild?: It is possible that CVE-2016-2337 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2016-2337?: CVE-2016-2337 affects Ruby Ruby, Tcl Tcl/Tk.

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