CVE-2021-39257 (GCVE-0-2021-39257)
Vulnerability from cvelistv5 – Published: 2021-09-07 00:00 – Updated: 2024-08-04 02:06
VLAI
EPSS
VEX
Summary
A crafted NTFS image with an unallocated bitmap can lead to a endless recursive function call chain (starting from ntfs_attr_pwrite), causing stack consumption in NTFS-3G < 2021.8.22.
Severity
5.5 (Medium)
CWE
- n/a
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/tuxera/ntfs-3g/releases | |
| https://github.com/tuxera/ntfs-3g/security/adviso… | |
| https://www.debian.org/security/2021/dsa-4971 | vendor-advisory |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-list |
| https://security.gentoo.org/glsa/202301-01 | vendor-advisory |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T02:06:42.423Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://github.com/tuxera/ntfs-3g/releases"
},
{
"tags": [
"x_transferred"
],
"url": "https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp"
},
{
"name": "DSA-4971",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://www.debian.org/security/2021/dsa-4971"
},
{
"name": "[debian-lts-announce] 20211116 [SECURITY] [DLA 2819-1] ntfs-3g security update",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html"
},
{
"name": "GLSA-202301-01",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://security.gentoo.org/glsa/202301-01"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A crafted NTFS image with an unallocated bitmap can lead to a endless recursive function call chain (starting from ntfs_attr_pwrite), causing stack consumption in NTFS-3G \u003c 2021.8.22."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-01-11T00:00:00.000Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://github.com/tuxera/ntfs-3g/releases"
},
{
"url": "https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp"
},
{
"name": "DSA-4971",
"tags": [
"vendor-advisory"
],
"url": "https://www.debian.org/security/2021/dsa-4971"
},
{
"name": "[debian-lts-announce] 20211116 [SECURITY] [DLA 2819-1] ntfs-3g security update",
"tags": [
"mailing-list"
],
"url": "https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html"
},
{
"name": "GLSA-202301-01",
"tags": [
"vendor-advisory"
],
"url": "https://security.gentoo.org/glsa/202301-01"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2021-39257",
"datePublished": "2021-09-07T00:00:00.000Z",
"dateReserved": "2021-08-17T00:00:00.000Z",
"dateUpdated": "2024-08-04T02:06:42.423Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2021-39257",
"date": "2026-09-14",
"epss": "0.00396",
"percentile": "0.33156"
},
"microsoft_vex": {
"current_release_date": "2021-12-16T00:00:00.000Z",
"cve": "CVE-2021-39257",
"id": "msrc_CVE-2021-39257",
"initial_release_date": "2021-09-02T00:00:00.000Z",
"product_status:fixed": "1",
"product_status:known_affected": "1",
"source": "Microsoft CSAF VEX",
"status": "final",
"title": "A crafted NTFS image with an unallocated bitmap can lead to a endless recursive function call chain (starting from ntfs_attr_pwrite) causing stack consumption in NTFS-3G \u003c 2021.8.22.",
"url": "https://msrc.microsoft.com/csaf/vex/2021/msrc_cve-2021-39257.json",
"version": "1"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2021-39257\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2021-09-07T15:15:08.110\",\"lastModified\":\"2024-11-21T06:19:03.197\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A crafted NTFS image with an unallocated bitmap can lead to a endless recursive function call chain (starting from ntfs_attr_pwrite), causing stack consumption in NTFS-3G \u003c 2021.8.22.\"},{\"lang\":\"es\",\"value\":\"Una imagen NTFS dise\u00f1ada con un mapa de bits sin asignar puede conllevar a una cadena interminable de llamadas a funciones recursivas (empezando por ntfs_attr_pwrite), causando un consumo de la pila en NTFS-3G versiones anteriores a 2021.8.22\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:M/Au:N/C:N/I:N/A:C\",\"baseScore\":4.7,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.4,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-674\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tuxera:ntfs-3g:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2021.8.22\",\"matchCriteriaId\":\"CBE087A1-98D1-4F40-9CC9-D90116B23E0C\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEECE5FC-CACF-4496-A3E7-164736409252\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FA6FEEC2-9F11-4643-8827-749718254FED\"}]}]}],\"references\":[{\"url\":\"https://github.com/tuxera/ntfs-3g/releases\",\"source\":\"cve@mitre.org\",\"tags\":[\"Release Notes\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/202301-01\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2021/dsa-4971\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/tuxera/ntfs-3g/releases\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/202301-01\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2021/dsa-4971\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-28T07:48:34+00:00",
"cve": "CVE-2021-39257",
"id": "CVE-2021-39257",
"initial_release_date": "2021-08-30T00:00:00+00:00",
"product_status:fixed": "2813",
"product_status:known_affected": "8",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "ntfs-3g: Endless recursion from ntfs_attr_pwrite() triggered by an unallocated bitmap",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-39257.json",
"version": "3"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Loading…
Loading…