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vuln-cve/data/2021/3xxx/CVE-2021-3996.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"cveMetadata": {
"state": "PUBLISHED",
"cveId": "CVE-2021-3996",
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"dateUpdated": "2024-10-15T15:26:56.079Z",
"dateReserved": "2021-11-22T00:00:00.000Z",
"datePublished": "2022-08-23T00:00:00.000Z"
},
"containers": {
"cna": {
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"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"shortName": "redhat",
"dateUpdated": "2024-01-07T09:06:22.825Z"
},
"descriptions": [
{
"lang": "en",
"value": "A logic error was found in the libmount library of util-linux in the function that allows an unprivileged user to unmount a FUSE filesystem. This flaw allows a local user on a vulnerable system to unmount other users' filesystems that are either world-writable themselves (like /tmp) or mounted in a world-writable directory. An attacker may use this flaw to cause a denial of service to applications that use the affected filesystems."
}
],
"affected": [
{
"vendor": "n/a",
"product": "util-linux",
"versions": [
{
"version": "Fixed in util-linux v2.37.3",
"status": "affected"
}
]
}
],
"references": [
{
"url": "https://mirrors.edge.kernel.org/pub/linux/utils/util-linux/v2.37/v2.37.3-ReleaseNotes"
},
{
"url": "https://github.com/util-linux/util-linux/commit/166e87368ae88bf31112a30e078cceae637f4cdb"
},
{
"url": "https://www.openwall.com/lists/oss-security/2022/01/24/2"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024628"
},
{
"url": "https://access.redhat.com/security/cve/CVE-2021-3996"
},
{
"name": "[oss-security] 20221130 Race condition in snap-confine's must_mkdir_and_open_with_perms() (CVE-2022-3328)",
"tags": [
"mailing-list"
],
"url": "http://www.openwall.com/lists/oss-security/2022/11/30/2"
},
{
"name": "20221208 Race condition in snap-confine's must_mkdir_and_open_with_perms() (CVE-2022-3328)",
"tags": [
"mailing-list"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/4"
},
{
"url": "http://packetstormsecurity.com/files/170176/snap-confine-must_mkdir_and_open_with_perms-Race-Condition.html"
},
{
"url": "https://security.netapp.com/advisory/ntap-20221209-0002/"
},
{
"name": "GLSA-202401-08",
"tags": [
"vendor-advisory"
],
"url": "https://security.gentoo.org/glsa/202401-08"
}
],
"problemTypes": [
{
"descriptions": [
{
"type": "CWE",
"lang": "en",
"description": "CWE-552 - Files or Directories Accessible to External Parties",
"cweId": "CWE-552"
}
]
}
]
},
"adp": [
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2024-08-03T17:16:02.913Z"
},
"title": "CVE Program Container",
"references": [
{
"url": "https://mirrors.edge.kernel.org/pub/linux/utils/util-linux/v2.37/v2.37.3-ReleaseNotes",
"tags": [
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},
{
"url": "https://github.com/util-linux/util-linux/commit/166e87368ae88bf31112a30e078cceae637f4cdb",
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{
"url": "https://www.openwall.com/lists/oss-security/2022/01/24/2",
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{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024628",
"tags": [
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{
"url": "https://access.redhat.com/security/cve/CVE-2021-3996",
"tags": [
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},
{
"name": "[oss-security] 20221130 Race condition in snap-confine's must_mkdir_and_open_with_perms() (CVE-2022-3328)",
"tags": [
"mailing-list",
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],
"url": "http://www.openwall.com/lists/oss-security/2022/11/30/2"
},
{
"name": "20221208 Race condition in snap-confine's must_mkdir_and_open_with_perms() (CVE-2022-3328)",
"tags": [
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"url": "http://seclists.org/fulldisclosure/2022/Dec/4"
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{
"url": "http://packetstormsecurity.com/files/170176/snap-confine-must_mkdir_and_open_with_perms-Race-Condition.html",
"tags": [
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},
{
"url": "https://security.netapp.com/advisory/ntap-20221209-0002/",
"tags": [
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]
},
{
"name": "GLSA-202401-08",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://security.gentoo.org/glsa/202401-08"
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]
},
{
"metrics": [
{
"cvssV3_1": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.5,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
}
},
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2024-03-04T21:16:28.797475Z",
"id": "CVE-2021-3996",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2024-10-15T15:26:56.079Z"
}
}
]
}
}