GSD-2020-13356
Vulnerability from gsd - Updated: 2023-12-13 01:21Details
An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.8.9. A specially crafted request could bypass Multipart protection and read files in certain specific paths on the server. Affected versions are: >=8.8.9, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-13356",
"description": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.8.9. A specially crafted request could bypass Multipart protection and read files in certain specific paths on the server. Affected versions are: \u003e=8.8.9, \u003c13.3.9,\u003e=13.4, \u003c13.4.5,\u003e=13.5, \u003c13.5.2.",
"id": "GSD-2020-13356"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-13356"
],
"details": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.8.9. A specially crafted request could bypass Multipart protection and read files in certain specific paths on the server. Affected versions are: \u003e=8.8.9, \u003c13.3.9,\u003e=13.4, \u003c13.4.5,\u003e=13.5, \u003c13.5.2.",
"id": "GSD-2020-13356",
"modified": "2023-12-13T01:21:46.792923Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "cve@gitlab.com",
"ID": "CVE-2020-13356",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "GitLab CE/EE",
"version": {
"version_data": [
{
"version_value": "\u003e=8.8.9"
},
{
"version_value": "\u003c13.3.9"
},
{
"version_value": "\u003e=13.4"
},
{
"version_value": "\u003c13.4.5"
},
{
"version_value": "\u003e=13.5"
},
{
"version_value": "\u003c13.5.2"
}
]
}
}
]
},
"vendor_name": "GitLab"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Thanks [ledz1996](https://hackerone.com/ledz1996) for reporting this vulnerability through our HackerOne bug bounty program"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
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{
"lang": "eng",
"value": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.8.9. A specially crafted request could bypass Multipart protection and read files in certain specific paths on the server. Affected versions are: \u003e=8.8.9, \u003c13.3.9,\u003e=13.4, \u003c13.4.5,\u003e=13.5, \u003c13.5.2."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Information exposure in GitLab"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://gitlab.com/gitlab-org/gitlab/-/issues/230878",
"refsource": "MISC",
"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/230878"
},
{
"name": "https://hackerone.com/reports/927953",
"refsource": "MISC",
"url": "https://hackerone.com/reports/927953"
},
{
"name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13356.json",
"refsource": "CONFIRM",
"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13356.json"
}
]
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"cpe_name": [],
"versionEndExcluding": "13.3.9",
"versionStartIncluding": "8.8.9",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"cpe_name": [],
"versionEndExcluding": "13.3.9",
"versionStartIncluding": "8.8.9",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"cpe_name": [],
"versionEndExcluding": "13.4.5",
"versionStartIncluding": "13.4.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"cpe_name": [],
"versionEndExcluding": "13.4.5",
"versionStartIncluding": "13.4.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"cpe_name": [],
"versionEndExcluding": "13.5.2",
"versionStartIncluding": "13.5.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"cpe_name": [],
"versionEndExcluding": "13.5.2",
"versionStartIncluding": "13.5.0",
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "cve@gitlab.com",
"ID": "CVE-2020-13356"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.8.9. A specially crafted request could bypass Multipart protection and read files in certain specific paths on the server. Affected versions are: \u003e=8.8.9, \u003c13.3.9,\u003e=13.4, \u003c13.4.5,\u003e=13.5, \u003c13.5.2."
}
]
},
"problemtype": {
"problemtype_data": [
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"description": [
{
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"value": "NVD-CWE-noinfo"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://hackerone.com/reports/927953",
"refsource": "MISC",
"tags": [
"Permissions Required",
"Third Party Advisory"
],
"url": "https://hackerone.com/reports/927953"
},
{
"name": "https://gitlab.com/gitlab-org/gitlab/-/issues/230878",
"refsource": "MISC",
"tags": [
"Broken Link"
],
"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/230878"
},
{
"name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13356.json",
"refsource": "CONFIRM",
"tags": [
"Vendor Advisory"
],
"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13356.json"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 6.4,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 4.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8.2,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 4.2
}
},
"lastModifiedDate": "2020-12-01T19:09Z",
"publishedDate": "2020-11-19T00:15Z"
}
}
}
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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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