gsd-2021-25631
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
In the LibreOffice 7-1 series in versions prior to 7.1.2, and in the 7-0 series in versions prior to 7.0.5, the denylist can be circumvented by manipulating the link so it doesn't match the denylist but results in ShellExecute attempting to launch an executable type.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-25631",
"description": "In the LibreOffice 7-1 series in versions prior to 7.1.2, and in the 7-0 series in versions prior to 7.0.5, the denylist can be circumvented by manipulating the link so it doesn\u0027t match the denylist but results in ShellExecute attempting to launch an executable type.",
"id": "GSD-2021-25631",
"references": [
"https://www.suse.com/security/cve/CVE-2021-25631.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-25631"
],
"details": "In the LibreOffice 7-1 series in versions prior to 7.1.2, and in the 7-0 series in versions prior to 7.0.5, the denylist can be circumvented by manipulating the link so it doesn\u0027t match the denylist but results in ShellExecute attempting to launch an executable type.",
"id": "GSD-2021-25631",
"modified": "2023-12-13T01:23:20.990235Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "security@documentfoundation.org",
"DATE_PUBLIC": "2021-04-15T00:00:00.000Z",
"ID": "CVE-2021-25631",
"STATE": "PUBLIC",
"TITLE": "denylist of executable filename extensions possible to bypass under windows"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "LibreOffice",
"version": {
"version_data": [
{
"platform": "Windows",
"version_affected": "\u003c",
"version_name": "7.1",
"version_value": "7.1.2"
},
{
"platform": "Windows",
"version_affected": "\u003c",
"version_name": "7.0",
"version_value": "7.0.5"
}
]
}
}
]
},
"vendor_name": "The Document Foundation"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Lukas Euler of Positive Security"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "In the LibreOffice 7-1 series in versions prior to 7.1.2, and in the 7-0 series in versions prior to 7.0.5, the denylist can be circumvented by manipulating the link so it doesn\u0027t match the denylist but results in ShellExecute attempting to launch an executable type."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-184 Incomplete Denylist"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://positive.security/blog/url-open-rce#open-libreoffice",
"refsource": "MISC",
"url": "https://positive.security/blog/url-open-rce#open-libreoffice"
},
{
"name": "https://www.libreoffice.org/about-us/security/advisories/cve-2021-25631/",
"refsource": "MISC",
"url": "https://www.libreoffice.org/about-us/security/advisories/cve-2021-25631/"
}
]
},
"source": {
"discovery": "UNKNOWN"
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "7.0.5",
"versionStartIncluding": "7.0.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "7.1.2",
"versionStartIncluding": "7.1.0",
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "security@documentfoundation.org",
"ID": "CVE-2021-25631"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "In the LibreOffice 7-1 series in versions prior to 7.1.2, and in the 7-0 series in versions prior to 7.0.5, the denylist can be circumvented by manipulating the link so it doesn\u0027t match the denylist but results in ShellExecute attempting to launch an executable type."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.libreoffice.org/about-us/security/advisories/cve-2021-25631/",
"refsource": "MISC",
"tags": [
"Vendor Advisory"
],
"url": "https://www.libreoffice.org/about-us/security/advisories/cve-2021-25631/"
},
{
"name": "https://positive.security/blog/url-open-rce#open-libreoffice",
"refsource": "MISC",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://positive.security/blog/url-open-rce#open-libreoffice"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 9.3,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "HIGH",
"userInteractionRequired": true
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9
}
},
"lastModifiedDate": "2021-05-12T18:58Z",
"publishedDate": "2021-05-03T12:15Z"
}
}
}
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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.
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- 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.