GSD-2020-5230
Vulnerability from gsd - Updated: 2023-12-13 01:22Details
Opencast before 8.1 and 7.6 allows almost arbitrary identifiers for media packages and elements to be used. This can be problematic for operation and security since such identifiers are sometimes used for file system operations which may lead to an attacker being able to escape working directories and write files to other locations. In addition, Opencast's Id.toString(…) vs Id.compact(…) behavior, the latter trying to mitigate some of the file system problems, can cause errors due to identifier mismatch since an identifier may unintentionally change. This issue is fixed in Opencast 7.6 and 8.1.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-5230",
"description": "Opencast before 8.1 and 7.6 allows almost arbitrary identifiers for media packages and elements to be used. This can be problematic for operation and security since such identifiers are sometimes used for file system operations which may lead to an attacker being able to escape working directories and write files to other locations. In addition, Opencast\u0027s Id.toString(\u2026) vs Id.compact(\u2026) behavior, the latter trying to mitigate some of the file system problems, can cause errors due to identifier mismatch since an identifier may unintentionally change. This issue is fixed in Opencast 7.6 and 8.1.",
"id": "GSD-2020-5230"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
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"aliases": [
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],
"details": "Opencast before 8.1 and 7.6 allows almost arbitrary identifiers for media packages and elements to be used. This can be problematic for operation and security since such identifiers are sometimes used for file system operations which may lead to an attacker being able to escape working directories and write files to other locations. In addition, Opencast\u0027s Id.toString(\u2026) vs Id.compact(\u2026) behavior, the latter trying to mitigate some of the file system problems, can cause errors due to identifier mismatch since an identifier may unintentionally change. This issue is fixed in Opencast 7.6 and 8.1.",
"id": "GSD-2020-5230",
"modified": "2023-12-13T01:22:03.127777Z",
"schema_version": "1.4.0"
}
},
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"ID": "CVE-2020-5230",
"STATE": "PUBLIC",
"TITLE": "Opencast uses unsafe identifiers"
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"vendor": {
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{
"product": {
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"value": "Opencast before 8.1 and 7.6 allows almost arbitrary identifiers for media packages and elements to be used. This can be problematic for operation and security since such identifiers are sometimes used for file system operations which may lead to an attacker being able to escape working directories and write files to other locations. In addition, Opencast\u0027s Id.toString(\u2026) vs Id.compact(\u2026) behavior, the latter trying to mitigate some of the file system problems, can cause errors due to identifier mismatch since an identifier may unintentionally change. This issue is fixed in Opencast 7.6 and 8.1."
}
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},
"impact": {
"cvss": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.7,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N",
"version": "3.1"
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"description": [
{
"lang": "eng",
"value": "CWE-99: Improper Control of Resource Identifiers (\u0027Resource Injection\u0027)"
}
]
}
]
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"references": {
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"name": "https://github.com/opencast/opencast/security/advisories/GHSA-w29m-fjp4-qhmq",
"refsource": "CONFIRM",
"url": "https://github.com/opencast/opencast/security/advisories/GHSA-w29m-fjp4-qhmq"
},
{
"name": "https://github.com/opencast/opencast/commit/bbb473f34ab95497d6c432c81285efb0c739f317",
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"url": "https://github.com/opencast/opencast/commit/bbb473f34ab95497d6c432c81285efb0c739f317"
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"source": {
"advisory": "GHSA-w29m-fjp4-qhmq",
"discovery": "UNKNOWN"
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "(,7.6),[8.0,8.1)",
"affected_versions": "All versions before 7.6, all versions starting from 8.0 before 8.1",
"cvss_v2": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-74",
"CWE-937"
],
"date": "2021-01-14",
"description": "Opencast before 8.1 and 7.6 allows almost arbitrary identifiers for media packages and elements to be used. This can be problematic for operation and security since such identifiers are sometimes used for file system operations which may lead to an attacker being able to escape working directories and write files to other locations. In addition, Opencast\u0027s Id.toString(\u2026) vs Id.compact(\u2026) behavior, the latter trying to mitigate some of the file system problems, can cause errors due to identifier mismatch since an identifier may unintentionally change. This issue is fixed in Opencast 7.6 and 8.1.",
"fixed_versions": [
"7.6",
"8.1"
],
"identifier": "CVE-2020-5230",
"identifiers": [
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"CVE-2020-5230"
],
"not_impacted": "All versions starting from 7.6 before 8.0, all versions starting from 8.1",
"package_slug": "maven/org.opencastproject/base",
"pubdate": "2020-01-30",
"solution": "Upgrade to versions 7.6, 8.1 or above.",
"title": "Improper Neutralization of Special Elements in Output Used by a Downstream Component (\u0027Injection\u0027)",
"urls": [
"https://github.com/opencast/opencast/security/advisories/GHSA-w29m-fjp4-qhmq",
"https://github.com/opencast/opencast/commit/bbb473f34ab95497d6c432c81285efb0c739f317",
"https://nvd.nist.gov/vuln/detail/CVE-2020-5230",
"https://github.com/advisories/GHSA-w29m-fjp4-qhmq"
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"uuid": "ea3951a6-5b0c-4120-af5d-76f90d15d742"
},
{
"affected_range": "(,7.6),[8.0]",
"affected_versions": "All versions before 7.6, version 8.0",
"cvss_v2": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-74",
"CWE-937"
],
"date": "2020-02-10",
"description": "Opencast allows near-arbitrary identifiers for media packages and elements to be used. This can be problematic for operation and security since such identifiers are sometimes used for file system operations which may lead to an attacker being able to escape working directories and write files to other locations. In addition, Opencast\u0027s `Id.toString()` vs `Id.compact()` behavior, the latter trying to mitigate some of the file system problems, can cause errors due to identifier mismatch since an identifier may unintentionally change.",
"fixed_versions": [
"7.6",
"8.1"
],
"identifier": "CVE-2020-5230",
"identifiers": [
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"GHSA-w29m-fjp4-qhmq"
],
"not_impacted": "All versions starting from 7.6 before 8.0, all versions after 8.0",
"package_slug": "maven/org.opencastproject/opencast-common",
"pubdate": "2020-01-30",
"solution": "Upgrade to versions 7.6, 8.1 or above.",
"title": "Injection Vulnerability",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2020-5230"
],
"uuid": "ab6bbfdf-9798-4a01-8a47-01ec37557fce"
}
]
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"versionEndExcluding": "7.6",
"vulnerable": true
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"description": {
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"value": "Opencast before 8.1 and 7.6 allows almost arbitrary identifiers for media packages and elements to be used. This can be problematic for operation and security since such identifiers are sometimes used for file system operations which may lead to an attacker being able to escape working directories and write files to other locations. In addition, Opencast\u0027s Id.toString(\u2026) vs Id.compact(\u2026) behavior, the latter trying to mitigate some of the file system problems, can cause errors due to identifier mismatch since an identifier may unintentionally change. This issue is fixed in Opencast 7.6 and 8.1."
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"url": "https://github.com/opencast/opencast/security/advisories/GHSA-w29m-fjp4-qhmq"
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{
"name": "https://github.com/opencast/opencast/commit/bbb473f34ab95497d6c432c81285efb0c739f317",
"refsource": "MISC",
"tags": [
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"url": "https://github.com/opencast/opencast/commit/bbb473f34ab95497d6c432c81285efb0c739f317"
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"impact": {
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"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
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"attackVector": "NETWORK",
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"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
},
"lastModifiedDate": "2020-02-10T21:55Z",
"publishedDate": "2020-01-30T21:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
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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