VulnerabilityDeferred
CVE-2024-39223
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
CRITICAL 9.8EPSS 0.70%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.70%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.70% probability · 51th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-639
- Source
- cve@mitre.org
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://gist.github.com/nyxfqq/a7242170b1118e78436a62dee4e09e8a
- https://github.com/ginuerzh/gost/blob/729d0e70005607dc7c69fc1de62fd8fe21f85355/ssh.go#L229
- https://github.com/ginuerzh/gost/issues/1034
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.