Vulnerability Report

CVE-2018-20764

Title: Helpsystems Boks Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2018-20764.

CWE Category NVD-CWE-noinfo

Published Date Feb 08, 2019

Modified Date Nov 21, 2024

Exploit Status Not Found

Score 9.8 CVSS v3.0

Exploit Probability (EPSS)

1.19%

Vulnerability Summary

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.

Impacted Vendors

helpsystems 1

Reference Links

https://community.helpsystems.com/knowledge-base/fox-technologies/hotfix/515/ https://community.helpsystems.com/knowledge-base/fox-technologies/hotfix/515/

CVSS v3.0

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2018-20764 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

February 08, 2019 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.