gsd-2020-15099
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
In TYPO3 CMS greater than or equal to 9.0.0 and less than 9.5.20, and greater than or equal to 10.0.0 and less than 10.4.6, in a case where an attacker manages to generate a valid cryptographic message authentication code (HMAC-SHA1) - either by using a different existing vulnerability or in case the internal encryptionKey was exposed - it is possible to retrieve arbitrary files of a TYPO3 installation. This includes the possibility to fetch typo3conf/LocalConfiguration.php, which again contains the encryptionKey as well as credentials of the database management system being used. In case a database server is directly accessible either via internet or in a shared hosting network, this allows the ability to completely retrieve, manipulate or delete database contents. This includes creating an administration user account - which can be used to trigger remote code execution by injecting custom extensions. This has been patched in versions 9.5.20 and 10.4.6.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-15099",
"description": "In TYPO3 CMS greater than or equal to 9.0.0 and less than 9.5.20, and greater than or equal to 10.0.0 and less than 10.4.6, in a case where an attacker manages to generate a valid cryptographic message authentication code (HMAC-SHA1) - either by using a different existing vulnerability or in case the internal encryptionKey was exposed - it is possible to retrieve arbitrary files of a TYPO3 installation. This includes the possibility to fetch typo3conf/LocalConfiguration.php, which again contains the encryptionKey as well as credentials of the database management system being used. In case a database server is directly accessible either via internet or in a shared hosting network, this allows the ability to completely retrieve, manipulate or delete database contents. This includes creating an administration user account - which can be used to trigger remote code execution by injecting custom extensions. This has been patched in versions 9.5.20 and 10.4.6.",
"id": "GSD-2020-15099"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-15099"
],
"details": "In TYPO3 CMS greater than or equal to 9.0.0 and less than 9.5.20, and greater than or equal to 10.0.0 and less than 10.4.6, in a case where an attacker manages to generate a valid cryptographic message authentication code (HMAC-SHA1) - either by using a different existing vulnerability or in case the internal encryptionKey was exposed - it is possible to retrieve arbitrary files of a TYPO3 installation. This includes the possibility to fetch typo3conf/LocalConfiguration.php, which again contains the encryptionKey as well as credentials of the database management system being used. In case a database server is directly accessible either via internet or in a shared hosting network, this allows the ability to completely retrieve, manipulate or delete database contents. This includes creating an administration user account - which can be used to trigger remote code execution by injecting custom extensions. This has been patched in versions 9.5.20 and 10.4.6.",
"id": "GSD-2020-15099",
"modified": "2023-12-13T01:21:44.025449Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
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"ASSIGNER": "security-advisories@github.com",
"ID": "CVE-2020-15099",
"STATE": "PUBLIC",
"TITLE": "Exposure of Sensitive Information to an Unauthorized Actor in TYPO3 CMS"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "TYPO3 CMS",
"version": {
"version_data": [
{
"version_value": "\u003e= 9.0.0, \u003c 9.5.20"
},
{
"version_value": "\u003e= 10.0.0, 10.4.6"
}
]
}
}
]
},
"vendor_name": "TYPO3"
}
]
}
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"data_format": "MITRE",
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"data_version": "4.0",
"description": {
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{
"lang": "eng",
"value": "In TYPO3 CMS greater than or equal to 9.0.0 and less than 9.5.20, and greater than or equal to 10.0.0 and less than 10.4.6, in a case where an attacker manages to generate a valid cryptographic message authentication code (HMAC-SHA1) - either by using a different existing vulnerability or in case the internal encryptionKey was exposed - it is possible to retrieve arbitrary files of a TYPO3 installation. This includes the possibility to fetch typo3conf/LocalConfiguration.php, which again contains the encryptionKey as well as credentials of the database management system being used. In case a database server is directly accessible either via internet or in a shared hosting network, this allows the ability to completely retrieve, manipulate or delete database contents. This includes creating an administration user account - which can be used to trigger remote code execution by injecting custom extensions. This has been patched in versions 9.5.20 and 10.4.6."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
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"description": [
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"lang": "eng",
"value": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor"
}
]
},
{
"description": [
{
"lang": "eng",
"value": "CWE-20: Improper Input Validation"
}
]
}
]
},
"references": {
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"name": "https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-3x94-fv5h-5q2c",
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},
{
"name": "https://typo3.org/security/advisory/typo3-core-sa-2020-007",
"refsource": "MISC",
"url": "https://typo3.org/security/advisory/typo3-core-sa-2020-007"
}
]
},
"source": {
"advisory": "GHSA-3x94-fv5h-5q2c",
"discovery": "UNKNOWN"
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003e=9.0.0,\u003c9.5.20||\u003e=10.0.0,\u003c10.4.6",
"affected_versions": "All versions starting from 9.0.0 before 9.5.20, all versions starting from 10.0.0 before 10.4.6",
"cvss_v2": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"cvss_v3": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"cwe_ids": [
"CWE-1035",
"CWE-20",
"CWE-78",
"CWE-937"
],
"date": "2021-10-08",
"description": "In TYPO3 CMS greater than or equal to 9.0.0 and less than 9.5.20, and greater than or equal to 10.0.0 and less than 10.4.6, in a case where an attacker manages to generate a valid cryptographic message authentication code (HMAC-SHA1) - either by using a different existing vulnerability or in case the internal encryptionKey was exposed - it is possible to retrieve arbitrary files of a TYPO3 installation. This includes the possibility to fetch typo3conf/LocalConfiguration.php, which again contains the encryptionKey as well as credentials of the database management system being used. In case a database server is directly accessible either via internet or in a shared hosting network, this allows the ability to completely retrieve, manipulate or delete database contents. This includes creating an administration user account - which can be used to trigger remote code execution by injecting custom extensions. This has been patched in versions 9.5.20 and 10.4.6.",
"fixed_versions": [
"9.5.20",
"10.4.6"
],
"identifier": "CVE-2020-15099",
"identifiers": [
"GHSA-3x94-fv5h-5q2c",
"CVE-2020-15099"
],
"not_impacted": "All versions before 9.0.0, all versions starting from 9.5.20 before 10.0.0, all versions starting from 10.4.6",
"package_slug": "packagist/typo3/cms-core",
"pubdate": "2020-07-29",
"solution": "Upgrade to versions 9.5.20, 10.4.6 or above.",
"title": "Improper Input Validation",
"urls": [
"https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-3x94-fv5h-5q2c",
"https://typo3.org/security/advisory/typo3-core-sa-2020-007",
"https://nvd.nist.gov/vuln/detail/CVE-2020-15099",
"https://github.com/advisories/GHSA-3x94-fv5h-5q2c"
],
"uuid": "9f5de97b-9177-4e48-afc3-667617a48b10"
},
{
"affected_range": "\u003e=9.0.0,\u003c9.5.20||\u003e=10.0.0,\u003c10.4.6",
"affected_versions": "All versions starting from 9.0.0 before 9.5.20, all versions starting from 10.0.0 before 10.4.6",
"cvss_v2": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"cvss_v3": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"cwe_ids": [
"CWE-1035",
"CWE-20",
"CWE-937"
],
"date": "2021-10-07",
"description": "In TYPO3 CMS, in a case where an attacker manages to generate a valid cryptographic message authentication code (HMAC-SHA1), it is possible to retrieve arbitrary files of a TYPO3 installation. This includes the possibility to fetch `typo3conf/LocalConfiguration.php`, which again contains the `encryptionKey` as well as credentials of the database management system being used. In case a database server is directly accessible either via internet or in a shared hosting network, this allows the ability to completely retrieve, manipulate or delete database contents. This includes creating an administration user account which can be used to trigger remote code execution by injecting custom extensions.",
"fixed_versions": [
"9.5.20",
"10.4.6"
],
"identifier": "CVE-2020-15099",
"identifiers": [
"CVE-2020-15099",
"GHSA-3x94-fv5h-5q2c"
],
"not_impacted": "All versions before 9.0.0, all versions starting from 9.5.20 before 10.0.0, all versions starting from 10.4.6",
"package_slug": "packagist/typo3/cms",
"pubdate": "2020-07-29",
"solution": "Upgrade to versions 9.5.20, 10.4.6 or above.",
"title": "Improper Input Validation",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2020-15099",
"https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-3x94-fv5h-5q2c",
"https://typo3.org/security/advisory/typo3-core-sa-2020-007"
],
"uuid": "014b6200-f1f9-45fc-b008-ca3aca012c9f"
}
]
},
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"cpe_match": [
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"cpe23Uri": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "9.5.20",
"versionStartIncluding": "9.0.0",
"vulnerable": true
},
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"description": {
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"value": "In TYPO3 CMS greater than or equal to 9.0.0 and less than 9.5.20, and greater than or equal to 10.0.0 and less than 10.4.6, in a case where an attacker manages to generate a valid cryptographic message authentication code (HMAC-SHA1) - either by using a different existing vulnerability or in case the internal encryptionKey was exposed - it is possible to retrieve arbitrary files of a TYPO3 installation. This includes the possibility to fetch typo3conf/LocalConfiguration.php, which again contains the encryptionKey as well as credentials of the database management system being used. In case a database server is directly accessible either via internet or in a shared hosting network, this allows the ability to completely retrieve, manipulate or delete database contents. This includes creating an administration user account - which can be used to trigger remote code execution by injecting custom extensions. This has been patched in versions 9.5.20 and 10.4.6."
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"Vendor Advisory"
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},
{
"name": "https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-3x94-fv5h-5q2c",
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"Vendor Advisory"
],
"url": "https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-3x94-fv5h-5q2c"
}
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}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
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"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 5.9
}
},
"lastModifiedDate": "2021-10-07T17:16Z",
"publishedDate": "2020-07-29T17:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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