var-202106-0920
Vulnerability from variot
Contiki-NG is an open-source, cross-platform operating system for internet of things devices. It is possible to cause an out-of-bounds write in versions of Contiki-NG prior to 4.6 when transmitting a 6LoWPAN packet with a chain of extension headers. Unfortunately, the written header is not checked to be within the available space, thereby making it possible to write outside the buffer. The problem has been patched in Contiki-NG 4.6. Users can apply the patch for this vulnerability out-of-band as a workaround. Contiki-NG Is vulnerable to an out-of-bounds write.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. Attackers can use this vulnerability to cause out-of-bounds writes. Pillow is a Python-based image processing library. There is currently no information about this vulnerability, please feel free to follow CNNVD or manufacturer announcements. Contiki-NG has a buffer error vulnerability. The vulnerability originated in versions prior to 4.6
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-202106-0920",
"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": "contiki-ng",
"scope": "lt",
"trust": 1.6,
"vendor": "contiki ng",
"version": "4.6"
},
{
"model": "contiki-ng",
"scope": "eq",
"trust": 0.8,
"vendor": "contiki ng",
"version": "4.6"
},
{
"model": "contiki-ng",
"scope": "eq",
"trust": 0.8,
"vendor": "contiki ng",
"version": null
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-44271"
},
{
"db": "JVNDB",
"id": "JVNDB-2021-008106"
},
{
"db": "NVD",
"id": "CVE-2021-21280"
}
]
},
"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": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:contiki-ng:contiki-ng:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "4.6",
"vulnerable": true
}
],
"operator": "OR"
}
]
}
],
"sources": [
{
"db": "NVD",
"id": "CVE-2021-21280"
}
]
},
"cve": "CVE-2021-21280",
"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": [
{
"acInsufInfo": false,
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"author": "NVD",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"integrityImpact": "PARTIAL",
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "HIGH",
"trust": 1.0,
"userInteractionRequired": false,
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
{
"acInsufInfo": null,
"accessComplexity": "Low",
"accessVector": "Network",
"authentication": "None",
"author": "NVD",
"availabilityImpact": "Partial",
"baseScore": 7.5,
"confidentialityImpact": "Partial",
"exploitabilityScore": null,
"id": "CVE-2021-21280",
"impactScore": null,
"integrityImpact": "Partial",
"obtainAllPrivilege": null,
"obtainOtherPrivilege": null,
"obtainUserPrivilege": null,
"severity": "High",
"trust": 0.8,
"userInteractionRequired": null,
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
{
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"author": "CNVD",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"exploitabilityScore": 10.0,
"id": "CNVD-2021-44271",
"impactScore": 6.4,
"integrityImpact": "PARTIAL",
"severity": "HIGH",
"trust": 0.6,
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
}
],
"cvssV3": [
{
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"author": "NVD",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"trust": 1.0,
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
{
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"author": "security-advisories@github.com",
"availabilityImpact": "HIGH",
"baseScore": 8.6,
"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"exploitabilityScore": 3.9,
"impactScore": 4.7,
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"trust": 1.0,
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
"version": "3.1"
},
{
"attackComplexity": "Low",
"attackVector": "Network",
"author": "NVD",
"availabilityImpact": "High",
"baseScore": 9.8,
"baseSeverity": "Critical",
"confidentialityImpact": "High",
"exploitabilityScore": null,
"id": "CVE-2021-21280",
"impactScore": null,
"integrityImpact": "High",
"privilegesRequired": "None",
"scope": "Unchanged",
"trust": 0.8,
"userInteraction": "None",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
}
],
"severity": [
{
"author": "NVD",
"id": "CVE-2021-21280",
"trust": 1.8,
"value": "CRITICAL"
},
{
"author": "security-advisories@github.com",
"id": "CVE-2021-21280",
"trust": 1.0,
"value": "HIGH"
},
{
"author": "CNVD",
"id": "CNVD-2021-44271",
"trust": 0.6,
"value": "HIGH"
},
{
"author": "CNNVD",
"id": "CNNVD-202104-975",
"trust": 0.6,
"value": "MEDIUM"
},
{
"author": "CNNVD",
"id": "CNNVD-202106-1426",
"trust": 0.6,
"value": "CRITICAL"
}
]
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-44271"
},
{
"db": "JVNDB",
"id": "JVNDB-2021-008106"
},
{
"db": "NVD",
"id": "CVE-2021-21280"
},
{
"db": "NVD",
"id": "CVE-2021-21280"
},
{
"db": "CNNVD",
"id": "CNNVD-202104-975"
},
{
"db": "CNNVD",
"id": "CNNVD-202106-1426"
}
]
},
"description": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/description#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "Contiki-NG is an open-source, cross-platform operating system for internet of things devices. It is possible to cause an out-of-bounds write in versions of Contiki-NG prior to 4.6 when transmitting a 6LoWPAN packet with a chain of extension headers. Unfortunately, the written header is not checked to be within the available space, thereby making it possible to write outside the buffer. The problem has been patched in Contiki-NG 4.6. Users can apply the patch for this vulnerability out-of-band as a workaround. Contiki-NG Is vulnerable to an out-of-bounds write.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. Attackers can use this vulnerability to cause out-of-bounds writes. Pillow is a Python-based image processing library. \nThere is currently no information about this vulnerability, please feel free to follow CNNVD or manufacturer announcements. \nContiki-NG has a buffer error vulnerability. The vulnerability originated in versions prior to 4.6",
"sources": [
{
"db": "NVD",
"id": "CVE-2021-21280"
},
{
"db": "JVNDB",
"id": "JVNDB-2021-008106"
},
{
"db": "CNVD",
"id": "CNVD-2021-44271"
},
{
"db": "CNNVD",
"id": "CNNVD-202104-975"
},
{
"db": "CNNVD",
"id": "CNNVD-202106-1426"
}
],
"trust": 3.24
},
"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-2021-21280",
"trust": 3.8
},
{
"db": "JVNDB",
"id": "JVNDB-2021-008106",
"trust": 0.8
},
{
"db": "CNVD",
"id": "CNVD-2021-44271",
"trust": 0.6
},
{
"db": "CS-HELP",
"id": "SB2021041363",
"trust": 0.6
},
{
"db": "CNNVD",
"id": "CNNVD-202104-975",
"trust": 0.6
},
{
"db": "CS-HELP",
"id": "SB2021062407",
"trust": 0.6
},
{
"db": "CNNVD",
"id": "CNNVD-202106-1426",
"trust": 0.6
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-44271"
},
{
"db": "JVNDB",
"id": "JVNDB-2021-008106"
},
{
"db": "NVD",
"id": "CVE-2021-21280"
},
{
"db": "CNNVD",
"id": "CNNVD-202104-975"
},
{
"db": "CNNVD",
"id": "CNNVD-202106-1426"
}
]
},
"id": "VAR-202106-0920",
"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-2021-44271"
}
],
"trust": 1.08177084
},
"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": [
"IoT"
],
"sub_category": null,
"trust": 0.6
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-44271"
}
]
},
"last_update_date": "2023-12-18T11:15:10.978000Z",
"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": "Prevent\u00a0out-of-bounds\u00a0write\u00a0when\u00a0processing\u00a0external\u00a0headers\u00a0in\u00a0sicslowpan\u00a0#1409 GitHub",
"trust": 0.8,
"url": "https://github.com/contiki-ng/contiki-ng/pull/1409"
},
{
"title": "Patch for Contiki-NG out-of-bounds write vulnerability",
"trust": 0.6,
"url": "https://www.cnvd.org.cn/patchinfo/show/274516"
},
{
"title": "Contiki-NG Buffer error vulnerability fix",
"trust": 0.6,
"url": "http://www.cnnvd.org.cn/web/xxk/bdxqbyid.tag?id=154494"
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-44271"
},
{
"db": "JVNDB",
"id": "JVNDB-2021-008106"
},
{
"db": "CNNVD",
"id": "CNNVD-202106-1426"
}
]
},
"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-787",
"trust": 1.0
},
{
"problemtype": "Out-of-bounds writing (CWE-787) [ Other ]",
"trust": 0.8
}
],
"sources": [
{
"db": "JVNDB",
"id": "JVNDB-2021-008106"
},
{
"db": "NVD",
"id": "CVE-2021-21280"
}
]
},
"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": 1.6,
"url": "https://github.com/contiki-ng/contiki-ng/pull/1409"
},
{
"trust": 1.6,
"url": "https://github.com/contiki-ng/contiki-ng/security/advisories/ghsa-r768-hrhf-v592"
},
{
"trust": 1.4,
"url": "https://nvd.nist.gov/vuln/detail/cve-2021-21280"
},
{
"trust": 0.6,
"url": "https://www.cybersecurity-help.cz/vdb/sb2021041363"
},
{
"trust": 0.6,
"url": "https://www.cybersecurity-help.cz/vdb/sb2021062407"
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-44271"
},
{
"db": "JVNDB",
"id": "JVNDB-2021-008106"
},
{
"db": "NVD",
"id": "CVE-2021-21280"
},
{
"db": "CNNVD",
"id": "CNNVD-202104-975"
},
{
"db": "CNNVD",
"id": "CNNVD-202106-1426"
}
]
},
"sources": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#",
"data": {
"@container": "@list"
}
},
"data": [
{
"db": "CNVD",
"id": "CNVD-2021-44271"
},
{
"db": "JVNDB",
"id": "JVNDB-2021-008106"
},
{
"db": "NVD",
"id": "CVE-2021-21280"
},
{
"db": "CNNVD",
"id": "CNNVD-202104-975"
},
{
"db": "CNNVD",
"id": "CNNVD-202106-1426"
}
]
},
"sources_release_date": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources_release_date#",
"data": {
"@container": "@list"
}
},
"data": [
{
"date": "2021-06-23T00:00:00",
"db": "CNVD",
"id": "CNVD-2021-44271"
},
{
"date": "2022-03-03T00:00:00",
"db": "JVNDB",
"id": "JVNDB-2021-008106"
},
{
"date": "2021-06-18T21:15:07.750000",
"db": "NVD",
"id": "CVE-2021-21280"
},
{
"date": "2021-04-13T00:00:00",
"db": "CNNVD",
"id": "CNNVD-202104-975"
},
{
"date": "2021-06-18T00:00:00",
"db": "CNNVD",
"id": "CNNVD-202106-1426"
}
]
},
"sources_update_date": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources_update_date#",
"data": {
"@container": "@list"
}
},
"data": [
{
"date": "2021-06-23T00:00:00",
"db": "CNVD",
"id": "CNVD-2021-44271"
},
{
"date": "2022-03-03T09:09:00",
"db": "JVNDB",
"id": "JVNDB-2021-008106"
},
{
"date": "2021-06-22T19:25:49.543000",
"db": "NVD",
"id": "CVE-2021-21280"
},
{
"date": "2021-04-14T00:00:00",
"db": "CNNVD",
"id": "CNNVD-202104-975"
},
{
"date": "2021-06-28T00:00:00",
"db": "CNNVD",
"id": "CNNVD-202106-1426"
}
]
},
"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-202106-1426"
}
],
"trust": 0.6
},
"title": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/title#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "Contiki-NG\u00a0 Out-of-bounds Vulnerability in Microsoft",
"sources": [
{
"db": "JVNDB",
"id": "JVNDB-2021-008106"
}
],
"trust": 0.8
},
"type": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/type#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "other",
"sources": [
{
"db": "CNNVD",
"id": "CNNVD-202104-975"
}
],
"trust": 0.6
}
}
Loading…
Loading…
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.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- 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.