CVE-2023-42818

JumpServer is an open source bastion host. When users enable MFA and use a public key for authentication, the Koko SSH server does not verify the corresponding SSH private key. An attacker could exploit a vulnerability by utilizing a disclosed public key to attempt brute-force authentication against the SSH service This issue has been patched in versions 3.6.5 and 3.5.6. Users are advised to upgrade. There are no known workarounds for this issue.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

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://github.com/jumpserver/jumpserver/security/advisories/GHSA-jv3c-27cv-w8jv	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:fit2cloud:jumpserver::::::::
	cpe:2.3:a:fit2cloud:jumpserver::::::::

History

02 Oct 2023, 19:59

Type	Values Removed	Values Added
CWE	~~CWE-287~~	CWE-307
CPE		cpe:2.3:a:fit2cloud:jumpserver::::::::
References	~~(MISC) https://github.com/jumpserver/jumpserver/security/advisories/GHSA-jv3c-27cv-w8jv -~~	(MISC) https://github.com/jumpserver/jumpserver/security/advisories/GHSA-jv3c-27cv-w8jv - Exploit, Vendor Advisory
First Time		Fit2cloud jumpserver Fit2cloud
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8

27 Sep 2023, 21:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-09-27 21:15

Updated : 2023-12-10 15:14

NVD link : CVE-2023-42818

Mitre link : CVE-2023-42818

CVE.ORG link : CVE-2023-42818

JSON object : View

Products Affected

fit2cloud

jumpserver

CWE

CWE-307

Improper Restriction of Excessive Authentication Attempts

CWE-287

Improper Authentication

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