Vulnerability in Helpsystems Boks
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.
EPSS: 0.012 (64.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Helpsystems Boks
- Linux Linux_kernel
- N/a — versions n/a
References
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-20764?
- CVE-2018-20764 is a critical-severity vulnerability in Helpsystems Boks. CVSS score: 9.8/10. Published 2019-02-08.
- How severe is CVE-2018-20764?
- Critical severity. CVSS v3 base score is 9.8 out of 10.