CVE Vulnerability

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.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://community.helpsystems.com/knowledge-base/fox-technologies/hotfix/515/ Vendor Advisory
Configurations

Configuration 1
Information

Published : 2019-02-08 05:29

Updated : 2019-10-03 12:03

NVD link : CVE-2018-20764

Mitre link : CVE-2018-20764

Products Affected
No products.
CWE
NVD-CWE-noinfo