GSD-2020-8793
Vulnerability from gsd - Updated: 2023-12-13 01:21Details
OpenSMTPD before 6.6.4 allows local users to read arbitrary files (e.g., on some Linux distributions) because of a combination of an untrusted search path in makemap.c and race conditions in the offline functionality in smtpd.c.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-8793",
"description": "OpenSMTPD before 6.6.4 allows local users to read arbitrary files (e.g., on some Linux distributions) because of a combination of an untrusted search path in makemap.c and race conditions in the offline functionality in smtpd.c.",
"id": "GSD-2020-8793",
"references": [
"https://ubuntu.com/security/CVE-2020-8793",
"https://packetstormsecurity.com/files/cve/CVE-2020-8793"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-8793"
],
"details": "OpenSMTPD before 6.6.4 allows local users to read arbitrary files (e.g., on some Linux distributions) because of a combination of an untrusted search path in makemap.c and race conditions in the offline functionality in smtpd.c.",
"id": "GSD-2020-8793",
"modified": "2023-12-13T01:21:53.486621Z",
"schema_version": "1.4.0"
}
},
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"STATE": "PUBLIC"
},
"affects": {
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"product": {
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"version": {
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}
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}
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"references": {
"reference_data": [
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"name": "https://www.openbsd.org/security.html",
"refsource": "MISC",
"url": "https://www.openbsd.org/security.html"
},
{
"name": "[oss-security] 20200224 Local information disclosure in OpenSMTPD (CVE-2020-8793)",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2020/02/24/4"
},
{
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"refsource": "FULLDISC",
"url": "http://seclists.org/fulldisclosure/2020/Feb/28"
},
{
"name": "FEDORA-2020-b92d7083ca",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/"
},
{
"name": "USN-4294-1",
"refsource": "UBUNTU",
"url": "https://usn.ubuntu.com/4294-1/"
}
]
}
},
"nvd.nist.gov": {
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"nodes": [
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"cpe_name": [],
"versionEndExcluding": "6.6.4",
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"description": {
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}
]
},
"problemtype": {
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},
"references": {
"reference_data": [
{
"name": "https://www.openbsd.org/security.html",
"refsource": "MISC",
"tags": [
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],
"url": "https://www.openbsd.org/security.html"
},
{
"name": "[oss-security] 20200224 Local information disclosure in OpenSMTPD (CVE-2020-8793)",
"refsource": "MLIST",
"tags": [
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"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2020/02/24/4"
},
{
"name": "20200227 Local information disclosure in OpenSMTPD (CVE-2020-8793)",
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},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.7,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:M/Au:N/C:C/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 3.4,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 4.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 1.0,
"impactScore": 3.6
}
},
"lastModifiedDate": "2022-01-01T19:30Z",
"publishedDate": "2020-02-25T17:15Z"
}
}
}
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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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