Vulnerability Details CVE-2018-20764
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 66.5%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References
Products affected by CVE-2018-20764
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cpe:2.3:a:helpsystems:boks:6.6.0
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cpe:2.3:a:helpsystems:boks:6.7.1
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cpe:2.3:o:linux:linux_kernel:-