Overview
- Description
- Drupal core does not properly sanitize certain filenames on uploaded files, which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain hosting configurations. This issue affects: Drupal Drupal Core 9.0 versions prior to 9.0.8, 8.9 versions prior to 8.9.9, 8.8 versions prior to 8.8.11, and 7 versions prior to 7.74.
- Source
- mlhess@drupal.org
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 8.8
- Impact score
- 5.9
- Exploitability score
- 2.8
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 6.5
- Impact score
- 6.4
- Exploitability score
- 8
- Vector string
- AV:N/AC:L/Au:S/C:P/I:P/A:P
Known exploits
Data from CISA
- Vulnerability name
- Drupal core Un-restricted Upload of File
- Exploit added on
- Jan 18, 2022
- Exploit action due
- Jul 18, 2022
- Required action
- Apply updates per vendor instructions.
Weaknesses
- nvd@nist.gov
- CWE-434
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "32D3B8C5-C846-4F40-952A-004E52A44A85",
"versionEndExcluding": "7.74",
"versionStartIncluding": "7.0"
},
{
"criteria": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A5349E11-2D5C-49DC-BBAA-A228867C898F",
"versionEndExcluding": "8.8.11",
"versionStartIncluding": "8.8"
},
{
"criteria": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8D62D78B-F746-43C0-89F8-E03EC489A4F4",
"versionEndExcluding": "8.9.9",
"versionStartIncluding": "8.9"
},
{
"criteria": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B83FAEE8-B014-4839-BD7F-A33C67BFBF8C",
"versionEndExcluding": "9.0.8",
"versionStartIncluding": "9.0"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "36D96259-24BD-44E2-96D9-78CE1D41F956"
},
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194"
}
],
"operator": "OR"
}
]
}
]