CVE-2018-20764
9.8 · CRITICALOverview
CVE-2018-20764 is a critical-severity vulnerability affecting helpsystems boks. It was published on February 8, 2019 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from helpsystems. Update boks to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| helpsystems | boks | 6.6.0 | Affected |
Frequently Asked Questions
What is CVE-2018-20764?
CVE-2018-20764 is a critical-severity vulnerability affecting helpsystems boks. It was published on February 8, 2019 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
How severe is CVE-2018-20764?
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-20764?
Check the references section for vendor advisories and patches from helpsystems. Update boks to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-20764?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-20764 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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