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Vulnerability Intelligence

Vulnerability IntelligenceCVE-2024-39223

CVE-2024-39223

CRITICAL9.8

An authentication bypass in the SSH service of gost v2

Published Jul 3, 2024

Modified 1 years ago

Details

An authentication bypass in the SSH service of gost v2.11.5 allows attackers to intercept communications via setting the HostKeyCallback function to ssh.InsecureIgnoreHostKey

References

https://gist.github.com/nyxfqq/a7242170b1118e78436a62dee4e09e8a

https://github.com/ginuerzh/gost/blob/729d0e70005607dc7c69fc1de62fd8fe21f85355/ssh.go#L229

https://github.com/ginuerzh/gost/issues/1034

https://www.cve.org/CVERecord?id=CVE-2024-39223

CVSS Analysis

CVSS v3.1

9.8

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

9.8/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Ecosystems

Timeline

PublishedJul 3, 2024

ModifiedOct 25, 2024

CVE-2024-39223 | Mondoo Vulnerability Intelligence