CVE-2012-0814 (GCVE-0-2012-0814)
Vulnerability from cvelistv5 – Published: 2012-01-27 19:00 – Updated: 2026-05-22 10:28
VLAI
EPSS
VEX
Summary
The auth_parse_options function in auth-options.c in sshd in OpenSSH before 5.7 provides debug messages containing authorized_keys command options, which allows remote authenticated users to obtain potentially sensitive information by reading these messages, as demonstrated by the shared user account required by Gitolite. NOTE: this can cross privilege boundaries because a user account may intentionally have no shell or filesystem access, and therefore may have no supported way to read an authorized_keys file in its own home directory.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-22 10:26 UTC
CWE
- n/a
- CWE-532 - Insertion of Sensitive Information into Log File
Assigner
References
11 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/51702 | vdb-entryx_refsource_BID |
| http://openwall.com/lists/oss-security/2012/01/27/4 | mailing-listx_refsource_MLIST |
| http://kb.juniper.net/InfoCenter/index?page=conte… | x_refsource_CONFIRM |
| http://openwall.com/lists/oss-security/2012/01/26/15 | mailing-listx_refsource_MLIST |
| http://osvdb.org/78706 | vdb-entryx_refsource_OSVDB |
| https://exchange.xforce.ibmcloud.com/vulnerabilit… | vdb-entryx_refsource_XF |
| http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=657445 | x_refsource_CONFIRM |
| http://openwall.com/lists/oss-security/2012/01/26/16 | mailing-listx_refsource_MLIST |
| http://openwall.com/lists/oss-security/2012/01/27/1 | mailing-listx_refsource_MLIST |
| http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin… | x_refsource_CONFIRM |
| http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin… | x_refsource_CONFIRM |
Date Public
2012-01-26 00:00
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],
"descriptions": [
{
"lang": "en",
"value": "The auth_parse_options function in auth-options.c in sshd in OpenSSH before 5.7 provides debug messages containing authorized_keys command options, which allows remote authenticated users to obtain potentially sensitive information by reading these messages, as demonstrated by the shared user account required by Gitolite. NOTE: this can cross privilege boundaries because a user account may intentionally have no shell or filesystem access, and therefore may have no supported way to read an authorized_keys file in its own home directory."
},
{
"lang": "es",
"value": "La funci\u00f3n auth_parse_options en auth-options.c en el demonio sshd de OpenSSH antes de v5.7 muestra mensajes de depuraci\u00f3n que contienen opciones del comando authorized_keys, lo que permite obtener informaci\u00f3n sensible a usuarios remotos autenticados mediante la lectura de estos mensajes. El problema queda demostrado con la cuenta de usuario compartida solicitada por Gitolite. NOTA: esto puede cruzar los l\u00edmites de los privilegios, porque una cuenta de usuario intencionalmente no tiene acceso a una \u0027shell\u0027 o al sistema de archivos, y por lo tanto no tienen forma de leer un archivo authorized_keys en su propio directorio."
}
],
"id": "CVE-2012-0814",
"lastModified": "2024-11-21T01:35:46.573",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 3.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:S/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 6.8,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2012-01-27T19:55:01.063",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=657445"
},
{
"source": "secalert@redhat.com",
"url": "http://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10673"
},
{
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{
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},
{
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},
{
"source": "secalert@redhat.com",
"url": "http://osvdb.org/78706"
},
{
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"url": "http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/auth-options.c"
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{
"source": "secalert@redhat.com",
"url": "http://www.securityfocus.com/bid/51702"
},
{
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"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/72756"
},
{
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},
{
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"url": "http://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10673"
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{
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{
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{
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{
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"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-255"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
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"state": "PUBLISHED"
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"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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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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