VAR-202006-0216
Vulnerability from variot - Updated: 2024-11-23 21:59In uftpd before 2.12, handle_CWD in ftpcmd.c mishandled the path provided by the user, causing a NULL pointer dereference and denial of service, as demonstrated by a CWD /.. command. uftpd To NULL A vulnerability exists regarding pointer dereference.Service operation interruption (DoS) It may be put into a state. uftpd is a Linux FTP/TFTP server. The vulnerability stems from the failure of handle_CWD in ftpcmd.c in uftpd to correctly handle the path provided by the user. An attacker can use the CWD /.. command to exploit this vulnerability to cause a denial of service
Show details on source website{
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/VARIoTentry#",
"affected_products": {
"@id": "https://www.variotdbs.pl/ref/affected_products"
},
"configurations": {
"@id": "https://www.variotdbs.pl/ref/configurations"
},
"credits": {
"@id": "https://www.variotdbs.pl/ref/credits"
},
"cvss": {
"@id": "https://www.variotdbs.pl/ref/cvss/"
},
"description": {
"@id": "https://www.variotdbs.pl/ref/description/"
},
"exploit_availability": {
"@id": "https://www.variotdbs.pl/ref/exploit_availability/"
},
"external_ids": {
"@id": "https://www.variotdbs.pl/ref/external_ids/"
},
"iot": {
"@id": "https://www.variotdbs.pl/ref/iot/"
},
"iot_taxonomy": {
"@id": "https://www.variotdbs.pl/ref/iot_taxonomy/"
},
"patch": {
"@id": "https://www.variotdbs.pl/ref/patch/"
},
"problemtype_data": {
"@id": "https://www.variotdbs.pl/ref/problemtype_data/"
},
"references": {
"@id": "https://www.variotdbs.pl/ref/references/"
},
"sources": {
"@id": "https://www.variotdbs.pl/ref/sources/"
},
"sources_release_date": {
"@id": "https://www.variotdbs.pl/ref/sources_release_date/"
},
"sources_update_date": {
"@id": "https://www.variotdbs.pl/ref/sources_update_date/"
},
"threat_type": {
"@id": "https://www.variotdbs.pl/ref/threat_type/"
},
"title": {
"@id": "https://www.variotdbs.pl/ref/title/"
},
"type": {
"@id": "https://www.variotdbs.pl/ref/type/"
}
},
"@id": "https://www.variotdbs.pl/vuln/VAR-202006-0216",
"affected_products": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/affected_products#",
"data": {
"@container": "@list"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
},
"@id": "https://www.variotdbs.pl/ref/sources"
}
},
"data": [
{
"model": "uftpd",
"scope": "lt",
"trust": 1.6,
"vendor": "troglobit",
"version": "2.12"
},
{
"model": "uftpd",
"scope": "eq",
"trust": 0.8,
"vendor": "troglobit",
"version": "2.12"
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-25378"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-006812"
},
{
"db": "NVD",
"id": "CVE-2020-14149"
}
]
},
"configurations": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/configurations#",
"children": {
"@container": "@list"
},
"cpe_match": {
"@container": "@list"
},
"data": {
"@container": "@list"
},
"nodes": {
"@container": "@list"
}
},
"data": [
{
"CVE_data_version": "4.0",
"nodes": [
{
"cpe_match": [
{
"cpe22Uri": "cpe:/a:troglobit:uftpd",
"vulnerable": true
}
],
"operator": "OR"
}
]
}
],
"sources": [
{
"db": "JVNDB",
"id": "JVNDB-2020-006812"
}
]
},
"cve": "CVE-2020-14149",
"cvss": {
"@context": {
"cvssV2": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/cvss/cvssV2#"
},
"@id": "https://www.variotdbs.pl/ref/cvss/cvssV2"
},
"cvssV3": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/cvss/cvssV3#"
},
"@id": "https://www.variotdbs.pl/ref/cvss/cvssV3/"
},
"severity": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/cvss/severity#"
},
"@id": "https://www.variotdbs.pl/ref/cvss/severity"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
},
"@id": "https://www.variotdbs.pl/ref/sources"
}
},
"data": [
{
"cvssV2": [
{
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"author": "nvd@nist.gov",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"exploitabilityScore": 10.0,
"id": "CVE-2020-14149",
"impactScore": 2.9,
"integrityImpact": "NONE",
"severity": "MEDIUM",
"trust": 1.0,
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
{
"acInsufInfo": null,
"accessComplexity": "Low",
"accessVector": "Network",
"authentication": "None",
"author": "NVD",
"availabilityImpact": "Partial",
"baseScore": 5.0,
"confidentialityImpact": "None",
"exploitabilityScore": null,
"id": "JVNDB-2020-006812",
"impactScore": null,
"integrityImpact": "None",
"obtainAllPrivilege": null,
"obtainOtherPrivilege": null,
"obtainUserPrivilege": null,
"severity": "Medium",
"trust": 0.8,
"userInteractionRequired": null,
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
{
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"author": "CNVD",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"exploitabilityScore": 10.0,
"id": "CNVD-2021-25378",
"impactScore": 2.9,
"integrityImpact": "NONE",
"severity": "MEDIUM",
"trust": 0.6,
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
}
],
"cvssV3": [
{
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"author": "nvd@nist.gov",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"exploitabilityScore": 3.9,
"id": "CVE-2020-14149",
"impactScore": 3.6,
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"trust": 1.0,
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
{
"attackComplexity": "Low",
"attackVector": "Network",
"author": "NVD",
"availabilityImpact": "High",
"baseScore": 7.5,
"baseSeverity": "High",
"confidentialityImpact": "None",
"exploitabilityScore": null,
"id": "JVNDB-2020-006812",
"impactScore": null,
"integrityImpact": "None",
"privilegesRequired": "None",
"scope": "Unchanged",
"trust": 0.8,
"userInteraction": "None",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.0"
}
],
"severity": [
{
"author": "nvd@nist.gov",
"id": "CVE-2020-14149",
"trust": 1.0,
"value": "HIGH"
},
{
"author": "NVD",
"id": "JVNDB-2020-006812",
"trust": 0.8,
"value": "High"
},
{
"author": "CNVD",
"id": "CNVD-2021-25378",
"trust": 0.6,
"value": "MEDIUM"
},
{
"author": "CNNVD",
"id": "CNNVD-202006-1040",
"trust": 0.6,
"value": "HIGH"
}
]
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-25378"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-006812"
},
{
"db": "CNNVD",
"id": "CNNVD-202006-1040"
},
{
"db": "NVD",
"id": "CVE-2020-14149"
}
]
},
"description": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/description#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "In uftpd before 2.12, handle_CWD in ftpcmd.c mishandled the path provided by the user, causing a NULL pointer dereference and denial of service, as demonstrated by a CWD /.. command. uftpd To NULL A vulnerability exists regarding pointer dereference.Service operation interruption (DoS) It may be put into a state. uftpd is a Linux FTP/TFTP server. The vulnerability stems from the failure of handle_CWD in ftpcmd.c in uftpd to correctly handle the path provided by the user. An attacker can use the CWD /.. command to exploit this vulnerability to cause a denial of service",
"sources": [
{
"db": "NVD",
"id": "CVE-2020-14149"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-006812"
},
{
"db": "CNVD",
"id": "CNVD-2021-25378"
}
],
"trust": 2.16
},
"external_ids": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/external_ids#",
"data": {
"@container": "@list"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": [
{
"db": "NVD",
"id": "CVE-2020-14149",
"trust": 3.0
},
{
"db": "JVNDB",
"id": "JVNDB-2020-006812",
"trust": 0.8
},
{
"db": "CNVD",
"id": "CNVD-2021-25378",
"trust": 0.6
},
{
"db": "CNNVD",
"id": "CNNVD-202006-1040",
"trust": 0.6
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-25378"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-006812"
},
{
"db": "CNNVD",
"id": "CNNVD-202006-1040"
},
{
"db": "NVD",
"id": "CVE-2020-14149"
}
]
},
"id": "VAR-202006-0216",
"iot": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/iot#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": true,
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-25378"
}
],
"trust": 0.8769231
},
"iot_taxonomy": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/iot_taxonomy#",
"data": {
"@container": "@list"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": [
{
"category": [
"Network device"
],
"sub_category": null,
"trust": 0.6
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-25378"
}
]
},
"last_update_date": "2024-11-23T21:59:13.023000Z",
"patch": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/patch#",
"data": {
"@container": "@list"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": [
{
"title": "Null Pointer Dereference / Crash #30",
"trust": 0.8,
"url": "https://github.com/troglobit/uftpd/issues/30"
},
{
"title": "uftpd v2.12",
"trust": 0.8,
"url": "https://github.com/troglobit/uftpd/releases/tag/v2.12"
},
{
"title": "Patch for uftpd null pointer dereference vulnerability",
"trust": 0.6,
"url": "https://www.cnvd.org.cn/patchInfo/show/256291"
},
{
"title": "uftpd Fixes for code issue vulnerabilities",
"trust": 0.6,
"url": "http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=122491"
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-25378"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-006812"
},
{
"db": "CNNVD",
"id": "CNNVD-202006-1040"
}
]
},
"problemtype_data": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/problemtype_data#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": [
{
"problemtype": "CWE-476",
"trust": 1.8
}
],
"sources": [
{
"db": "JVNDB",
"id": "JVNDB-2020-006812"
},
{
"db": "NVD",
"id": "CVE-2020-14149"
}
]
},
"references": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/references#",
"data": {
"@container": "@list"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": [
{
"trust": 2.4,
"url": "https://bugs.gentoo.org/726308"
},
{
"trust": 2.0,
"url": "https://nvd.nist.gov/vuln/detail/cve-2020-14149"
},
{
"trust": 1.6,
"url": "https://github.com/troglobit/uftpd/issues/30"
},
{
"trust": 1.6,
"url": "https://github.com/troglobit/uftpd/releases/tag/v2.12"
},
{
"trust": 1.6,
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00052.html"
},
{
"trust": 0.8,
"url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2020-14149"
},
{
"trust": 0.6,
"url": "https://vigilance.fr/vulnerability/uftpd-null-pointer-dereference-via-handle-cwd-32621"
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-25378"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-006812"
},
{
"db": "CNNVD",
"id": "CNNVD-202006-1040"
},
{
"db": "NVD",
"id": "CVE-2020-14149"
}
]
},
"sources": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#",
"data": {
"@container": "@list"
}
},
"data": [
{
"db": "CNVD",
"id": "CNVD-2021-25378"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-006812"
},
{
"db": "CNNVD",
"id": "CNNVD-202006-1040"
},
{
"db": "NVD",
"id": "CVE-2020-14149"
}
]
},
"sources_release_date": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources_release_date#",
"data": {
"@container": "@list"
}
},
"data": [
{
"date": "2021-04-07T00:00:00",
"db": "CNVD",
"id": "CNVD-2021-25378"
},
{
"date": "2020-07-17T00:00:00",
"db": "JVNDB",
"id": "JVNDB-2020-006812"
},
{
"date": "2020-06-15T00:00:00",
"db": "CNNVD",
"id": "CNNVD-202006-1040"
},
{
"date": "2020-06-15T18:15:15.147000",
"db": "NVD",
"id": "CVE-2020-14149"
}
]
},
"sources_update_date": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources_update_date#",
"data": {
"@container": "@list"
}
},
"data": [
{
"date": "2021-04-07T00:00:00",
"db": "CNVD",
"id": "CNVD-2021-25378"
},
{
"date": "2020-07-17T00:00:00",
"db": "JVNDB",
"id": "JVNDB-2020-006812"
},
{
"date": "2020-06-30T00:00:00",
"db": "CNNVD",
"id": "CNNVD-202006-1040"
},
{
"date": "2024-11-21T05:02:44.710000",
"db": "NVD",
"id": "CVE-2020-14149"
}
]
},
"threat_type": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/threat_type#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "remote",
"sources": [
{
"db": "CNNVD",
"id": "CNNVD-202006-1040"
}
],
"trust": 0.6
},
"title": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/title#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "uftpd In NULL Pointer dereference vulnerability",
"sources": [
{
"db": "JVNDB",
"id": "JVNDB-2020-006812"
}
],
"trust": 0.8
},
"type": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/type#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "code problem",
"sources": [
{
"db": "CNNVD",
"id": "CNNVD-202006-1040"
}
],
"trust": 0.6
}
}
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…