GSD-2016-0634
Vulnerability from gsd - Updated: 2023-12-13 01:21Details
The expansion of '\h' in the prompt string in bash 4.3 allows remote authenticated users to execute arbitrary code via shell metacharacters placed in 'hostname' of a machine.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2016-0634",
"description": "The expansion of \u0027\\h\u0027 in the prompt string in bash 4.3 allows remote authenticated users to execute arbitrary code via shell metacharacters placed in \u0027hostname\u0027 of a machine.",
"id": "GSD-2016-0634",
"references": [
"https://www.suse.com/security/cve/CVE-2016-0634.html",
"https://access.redhat.com/errata/RHSA-2017:1931",
"https://access.redhat.com/errata/RHSA-2017:0725",
"https://ubuntu.com/security/CVE-2016-0634",
"https://advisories.mageia.org/CVE-2016-0634.html",
"https://alas.aws.amazon.com/cve/html/CVE-2016-0634.html",
"https://linux.oracle.com/cve/CVE-2016-0634.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2016-0634"
],
"details": "The expansion of \u0027\\h\u0027 in the prompt string in bash 4.3 allows remote authenticated users to execute arbitrary code via shell metacharacters placed in \u0027hostname\u0027 of a machine.",
"id": "GSD-2016-0634",
"modified": "2023-12-13T01:21:17.133739Z",
"schema_version": "1.4.0"
}
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"nvd.nist.gov": {
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"nodes": [
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"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:gnu:bash:4.3:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
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"operator": "OR"
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"refsource": "MLIST",
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"url": "http://www.openwall.com/lists/oss-security/2016/09/29/27"
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"name": "[oss-security] 20160927 Re: Re: CVE-2016-0634 -- bash prompt expanding $HOSTNAME",
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"url": "http://www.openwall.com/lists/oss-security/2016/09/27/9"
},
{
"name": "[oss-security] 20160920 Re: CVE-2016-0634 -- bash prompt expanding $HOSTNAME",
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"url": "http://www.openwall.com/lists/oss-security/2016/09/20/1"
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{
"name": "[oss-security] 20160919 Re: CVE-2016-0634 -- bash prompt expanding $HOSTNAME",
"refsource": "MLIST",
"tags": [
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"Third Party Advisory"
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"url": "http://www.openwall.com/lists/oss-security/2016/09/19/7"
},
{
"name": "[oss-security] 20160918 Re: CVE-2016-0634 -- bash prompt expanding $HOSTNAME",
"refsource": "MLIST",
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"url": "https://access.redhat.com/errata/RHSA-2017:1931"
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},
"impact": {
"baseMetricV2": {
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 6.8,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"exploitabilityScore": 1.6,
"impactScore": 5.9
}
},
"lastModifiedDate": "2018-01-05T02:30Z",
"publishedDate": "2017-08-28T15:29Z"
}
}
}
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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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