PT-2019-10208 · Helpsystems · Tcpcrypt

Published 2019-02-08 · Updated 2019-10-03 · CVE-2018-20764

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: HelpSystems tcpcrypt version 6.7.1 and earlier

Description: A buffer overflow issue exists in HelpSystems tcpcrypt on Linux, which is utilized for BoKS encrypted telnet. This issue can lead to privilege escalation due to tcpcrypt being setuid.

Recommendations: For versions 6.7.1 and earlier, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2018-20764

Affected Products

Tcpcrypt

References · 3

• https://community.helpsystems.com/knowledge-base/fox-technologies/hotfix/515 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-20764 · Security Note
• https://osv.dev/vulnerability/CVE-2018-20764 · Vendor Advisory