CVE-2018-20764

Description

A buffer overflow exists in HelpSystems tcpcrypt on Linux, used for BoKS encrypted telnet through BoKS version 6.7.1. Since tcpcrypt is setuid, exploitation leads to privilege escalation.

9.8

CVSS

Severity: Critical

CVSS 3.0 •

CVSS 2.0 •

EPSS 0.54%

Vendor Advisory helpsystems.com

Affected: n/a n/a

References

Link	Tags
https://community.helpsystems.com/knowledge-base/fox-technologies/hotfix/515/	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-20764?: CVE-2018-20764 has been scored as a critical severity vulnerability.
How to fix CVE-2018-20764?: To fix CVE-2018-20764, 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-2018-20764 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2018-20764 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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