FKIE_CVE-2006-5794
Vulnerability from fkie_nvd - Published: 2006-11-08 20:07 - Updated: 2026-06-16 22:31
Severity
Summary
Unspecified vulnerability in the sshd Privilege Separation Monitor in OpenSSH before 4.5 causes weaker verification that authentication has been successful, which might allow attackers to bypass authentication. NOTE: as of 20061108, it is believed that this issue is only exploitable by leveraging vulnerabilities in the unprivileged process, which are not known to exist.
References
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "secalert@redhat.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*",
"matchCriteriaId": "3E3FE4E6-870E-4F84-9D50-7BF48ADFB380",
"versionEndIncluding": "4.4",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Unspecified vulnerability in the sshd Privilege Separation Monitor in OpenSSH before 4.5 causes weaker verification that authentication has been successful, which might allow attackers to bypass authentication. NOTE: as of 20061108, it is believed that this issue is only exploitable by leveraging vulnerabilities in the unprivileged process, which are not known to exist."
},
{
"lang": "es",
"value": "Vulnerabilidad sin especificar en el sshd Privilege Separation Monitor en OpenSSH para versiones anteriores a la 4.5 que provoca una verificaci\u00f3n m\u00e1s leve que la autenticaci\u00f3n, y que podr\u00eda permitir a atacantes remotos evitar la autenticaci\u00f3n. NOTA: en el 20061108, se cree que es s\u00f3lo explotada por el impulso de vulnerabilidades en un proceso sin privilegios, hasta ahora desconocidos.\r\n"
}
],
"id": "CVE-2006-5794",
"lastModified": "2026-06-16T22:31:53.510",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": true,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2006-11-08T20:07:00.000",
"references": [
{
"source": "secalert@redhat.com",
"url": "ftp://patches.sgi.com/support/free/security/advisories/20061201-01-P.asc"
},
{
"source": "secalert@redhat.com",
"url": "http://rhn.redhat.com/errata/RHSA-2006-0738.html"
},
{
"source": "secalert@redhat.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/22771"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/22772"
},
{
"source": "secalert@redhat.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/22773"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/22778"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/22814"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/22872"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/22932"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/23513"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/23680"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/24055"
},
{
"source": "secalert@redhat.com",
"url": "http://securitytracker.com/id?1017183"
},
{
"source": "secalert@redhat.com",
"url": "http://sourceforge.net/project/shownotes.php?release_id=461854\u0026group_id=69227"
},
{
"source": "secalert@redhat.com",
"url": "http://sourceforge.net/project/shownotes.php?release_id=461863\u0026group_id=69227"
},
{
"source": "secalert@redhat.com",
"url": "http://support.avaya.com/elmodocs2/security/ASA-2007-048.htm"
},
{
"source": "secalert@redhat.com",
"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2006:204"
},
{
"source": "secalert@redhat.com",
"url": "http://www.novell.com/linux/security/advisories/2006_26_sr.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.032-openssh.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.openssh.org/txt/release-4.5"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securityfocus.com/archive/1/451100/100/0/threaded"
},
{
"source": "secalert@redhat.com",
"tags": [
"Patch"
],
"url": "http://www.securityfocus.com/bid/20956"
},
{
"source": "secalert@redhat.com",
"url": "http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.vmware.com/support/vi3/doc/esx-9986131-patch.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.vupen.com/english/advisories/2006/4399"
},
{
"source": "secalert@redhat.com",
"url": "http://www.vupen.com/english/advisories/2006/4400"
},
{
"source": "secalert@redhat.com",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/30120"
},
{
"source": "secalert@redhat.com",
"url": "https://issues.rpath.com/browse/RPL-766"
},
{
"source": "secalert@redhat.com",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11840"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "ftp://patches.sgi.com/support/free/security/advisories/20061201-01-P.asc"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://rhn.redhat.com/errata/RHSA-2006-0738.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/22771"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/22772"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/22773"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/22778"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/22814"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/22872"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/22932"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/23513"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/23680"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/24055"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://securitytracker.com/id?1017183"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://sourceforge.net/project/shownotes.php?release_id=461854\u0026group_id=69227"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://sourceforge.net/project/shownotes.php?release_id=461863\u0026group_id=69227"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://support.avaya.com/elmodocs2/security/ASA-2007-048.htm"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2006:204"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.novell.com/linux/security/advisories/2006_26_sr.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.032-openssh.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openssh.org/txt/release-4.5"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/archive/1/451100/100/0/threaded"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "http://www.securityfocus.com/bid/20956"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.vmware.com/support/vi3/doc/esx-9986131-patch.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.vupen.com/english/advisories/2006/4399"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.vupen.com/english/advisories/2006/4400"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/30120"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://issues.rpath.com/browse/RPL-766"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11840"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vendorComments": [
{
"comment": "This issue did not affect Red Hat Enterprise Linux 2.1.\n\nThis issue was addressed in Red Hat Enterprise Linux 3 and 4 via\nhttps://rhn.redhat.com/errata/RHSA-2006-0738.html .\n\nRed Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.",
"lastModified": "2009-09-24T00:00:00",
"organization": "Red Hat"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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