fkie_cve-2018-15599
Vulnerability from fkie_nvd
Published
2018-08-21 01:29
Modified
2024-11-21 03:51
Severity ?
Summary
The recv_msg_userauth_request function in svr-auth.c in Dropbear through 2018.76 is prone to a user enumeration vulnerability because username validity affects how fields in SSH_MSG_USERAUTH messages are handled, a similar issue to CVE-2018-15473 in an unrelated codebase.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| debian | debian_linux | 8.0 | |
| dropbear_ssh_project | dropbear_ssh | * |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:*:*:*:*:*:*:*:*",
"matchCriteriaId": "1967F3CC-83D8-4867-AC55-EE54A12E0332",
"versionEndIncluding": "2018.76",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The recv_msg_userauth_request function in svr-auth.c in Dropbear through 2018.76 is prone to a user enumeration vulnerability because username validity affects how fields in SSH_MSG_USERAUTH messages are handled, a similar issue to CVE-2018-15473 in an unrelated codebase."
},
{
"lang": "es",
"value": "La funci\u00f3n recv_msg_userauth_request en svr-auth.c en Dropbear hasta la versi\u00f3n 2018.76 es propensa a una vulnerabilidad de enumeraci\u00f3n de usuarios porque la validez de los nombres de usuarios afecta a c\u00f3mo se manejan los campos en los mensajes SSH_MSG_USERAUTH. Este problema es similar a CVE-2018-15473 en una base de c\u00f3digo no relacionada."
}
],
"id": "CVE-2018-15599",
"lastModified": "2024-11-21T03:51:08.913",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.0"
},
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"impactScore": 1.4,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2018-08-21T01:29:00.350",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2018q3/002108.html"
},
{
"source": "cve@mitre.org",
"tags": [
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"url": "http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2018q3/002109.html"
},
{
"source": "cve@mitre.org",
"tags": [
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"url": "https://lists.debian.org/debian-lts-announce/2018/08/msg00026.html"
},
{
"source": "cve@mitre.org",
"url": "https://matt.ucc.asn.au/dropbear/CHANGES"
},
{
"source": "cve@mitre.org",
"tags": [
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"url": "https://old.reddit.com/r/blackhat/comments/97ywnm/openssh_username_enumeration/e4e05n2/"
},
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},
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"tags": [
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"url": "http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2018q3/002109.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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"url": "https://lists.debian.org/debian-lts-announce/2018/08/msg00026.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://matt.ucc.asn.au/dropbear/CHANGES"
},
{
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"tags": [
"Third Party Advisory"
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"url": "https://old.reddit.com/r/blackhat/comments/97ywnm/openssh_username_enumeration/e4e05n2/"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-200"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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