Feed/CVE-2018-20764
CVE-2018-20764CRITICALCVSS 9.8

CVE-2018-20764

Published Feb 8, 2019·Updated Jun 16, 2026

NVD 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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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