gsd-2023-28999
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
Nextcloud is an open-source productivity platform. In Nextcloud Desktop client 3.0.0 until 3.8.0, Nextcloud Android app 3.13.0 until 3.25.0, and Nextcloud iOS app 3.0.5 until 4.8.0, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files, recover the folder structure and add new files. This issue is fixed in Nextcloud Desktop 3.8.0, Nextcloud Android 3.25.0, and Nextcloud iOS 4.8.0. No known workarounds are available.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2023-28999",
"id": "GSD-2023-28999"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2023-28999"
],
"details": "Nextcloud is an open-source productivity platform. In Nextcloud Desktop client 3.0.0 until 3.8.0, Nextcloud Android app 3.13.0 until 3.25.0, and Nextcloud iOS app 3.0.5 until 4.8.0, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files, recover the folder structure and add new files.\u200b This issue is fixed in Nextcloud Desktop 3.8.0, Nextcloud Android 3.25.0, and Nextcloud iOS 4.8.0. No known workarounds are available.",
"id": "GSD-2023-28999",
"modified": "2023-12-13T01:20:48.962670Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "security-advisories@github.com",
"ID": "CVE-2023-28999",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "security-advisories",
"version": {
"version_data": [
{
"version_affected": "=",
"version_value": "\u003e= 3.0.0, \u003c 3.8.0"
},
{
"version_affected": "=",
"version_value": "\u003e= 3.13.0, \u003c 3.25.0"
},
{
"version_affected": "=",
"version_value": "\u003e= 3.0.5, \u003c 4.8.0"
}
]
}
}
]
},
"vendor_name": "nextcloud"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Nextcloud is an open-source productivity platform. In Nextcloud Desktop client 3.0.0 until 3.8.0, Nextcloud Android app 3.13.0 until 3.25.0, and Nextcloud iOS app 3.0.5 until 4.8.0, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files, recover the folder structure and add new files.\u200b This issue is fixed in Nextcloud Desktop 3.8.0, Nextcloud Android 3.25.0, and Nextcloud iOS 4.8.0. No known workarounds are available."
}
]
},
"impact": {
"cvss": [
{
"attackComplexity": "LOW",
"attackVector": "PHYSICAL",
"availabilityImpact": "LOW",
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:P/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L",
"version": "3.1"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"cweId": "CWE-325",
"lang": "eng",
"value": "CWE-325: Missing Cryptographic Step"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_DanieleCoppola.pdf",
"refsource": "MISC",
"url": "https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_DanieleCoppola.pdf"
},
{
"name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8875-wxww-3rr8",
"refsource": "MISC",
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8875-wxww-3rr8"
},
{
"name": "https://github.com/nextcloud/desktop/pull/5560",
"refsource": "MISC",
"url": "https://github.com/nextcloud/desktop/pull/5560"
}
]
},
"source": {
"advisory": "GHSA-8875-wxww-3rr8",
"discovery": "UNKNOWN"
}
},
"nvd.nist.gov": {
"configurations": {
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"nodes": [
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"cpe23Uri": "cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "3.8.0",
"versionStartIncluding": "3.0.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:iphone_os:*:*:*",
"cpe_name": [],
"versionEndExcluding": "4.8.0",
"versionStartIncluding": "3.0.5",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:android:*:*:*",
"cpe_name": [],
"versionEndExcluding": "3.25.0",
"versionStartIncluding": "3.13.0",
"vulnerable": true
}
],
"operator": "OR"
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"cve": {
"CVE_data_meta": {
"ASSIGNER": "security-advisories@github.com",
"ID": "CVE-2023-28999"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "Nextcloud is an open-source productivity platform. In Nextcloud Desktop client 3.0.0 until 3.8.0, Nextcloud Android app 3.13.0 until 3.25.0, and Nextcloud iOS app 3.0.5 until 4.8.0, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files, recover the folder structure and add new files.? This issue is fixed in Nextcloud Desktop 3.8.0, Nextcloud Android 3.25.0, and Nextcloud iOS 4.8.0. No known workarounds are available."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
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"value": "CWE-311"
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},
"references": {
"reference_data": [
{
"name": "https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_DanieleCoppola.pdf",
"refsource": "MISC",
"tags": [
"Exploit",
"Technical Description",
"Third Party Advisory"
],
"url": "https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_DanieleCoppola.pdf"
},
{
"name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8875-wxww-3rr8",
"refsource": "MISC",
"tags": [
"Vendor Advisory"
],
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8875-wxww-3rr8"
},
{
"name": "https://github.com/nextcloud/desktop/pull/5560",
"refsource": "MISC",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://github.com/nextcloud/desktop/pull/5560"
}
]
}
},
"impact": {
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 6.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L",
"version": "3.1"
},
"exploitabilityScore": 0.9,
"impactScore": 5.5
}
},
"lastModifiedDate": "2023-04-10T18:16Z",
"publishedDate": "2023-04-04T13:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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