CVE-2018-20764

UnknownEPSS 1.19%

Last modified

CVE-2018-20764 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.19% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
1.19%

63.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
HelpsystemsBoks>= 6.6.0, <= 6.7.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2018-20764?
Severity scoring for CVE-2018-20764 is pending analysis. The EPSS model estimates a 1.19% probability of exploitation in the next 30 days.
How do I fix CVE-2018-20764?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-20764?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST