CVE-2021-33638 (GCVE-0-2021-33638)
Vulnerability from cvelistv5 – Published: 2023-10-29 07:59 – Updated: 2024-09-09 14:09
VLAI
EPSS
VEX
Title
Run copy with container in a malicious directory may cause container escaping
Summary
When the isula cp command is used to copy files from a container to a host machine and the container is controlled by an attacker, the attacker can escape the container.
Severity
8.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-09 14:09 UTC
CWE
- CWE-665 - Improper Initialization
Assigner
References
Impacted products
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T23:58:22.075Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2023-1686"
},
{
"tags": [
"x_transferred"
],
"url": "https://gitee.com/src-openeuler/iSulad/pulls/627/files"
},
{
"tags": [
"x_transferred"
],
"url": "https://gitee.com/src-openeuler/iSulad/pulls/600/files"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2021-33638",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-09T14:09:31.917709Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-09-09T14:09:44.635Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://gitee.com/src-openeuler",
"defaultStatus": "unaffected",
"modules": [
"image"
],
"packageName": "iSulad",
"platforms": [
"Linux"
],
"product": "iSulad",
"programFiles": [
"https://gitee.com/openeuler/iSulad/blob/master/src/utils/tar/util_archive.c"
],
"repo": "https://gitee.com/src-openeuler/iSulad",
"vendor": "openEuler",
"versions": [
{
"changes": [
{
"at": "0102-fix-loading-of-nsswitch-based-config-inside-chr.patch",
"status": "unaffected"
},
{
"at": "0106-fix-loading-of-nsswitch-based-config-inside-chroot-u.patch",
"status": "unaffected"
}
],
"lessThanOrEqual": "2.0.8-20210518.144540.git5288ed93,2.0.18-10,2.1.2",
"status": "affected",
"version": "0",
"versionType": "patch"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"user": "00000000-0000-4000-9000-000000000000",
"value": "panwenjie2@huawei.com"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\n\nWhen the isula cp command is used to copy files from a container to a host machine and the container is controlled by an attacker, the attacker can escape the container.\n\n"
}
],
"value": "\nWhen the isula cp command is used to copy files from a container to a host machine and the container is controlled by an attacker, the attacker can escape the container.\n\n"
}
],
"impacts": [
{
"capecId": "CAPEC-480",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-480 Escaping Virtualization"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 8.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-665",
"description": "CWE-665 Improper Initialization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-10-29T07:59:45.026Z",
"orgId": "7e1ac599-2767-43fa-b3ea-f10178cc98f2",
"shortName": "openEuler"
},
"references": [
{
"url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2023-1686"
},
{
"url": "https://gitee.com/src-openeuler/iSulad/pulls/627/files"
},
{
"url": "https://gitee.com/src-openeuler/iSulad/pulls/600/files"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Run copy with container in a malicious directory may cause container escaping",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "7e1ac599-2767-43fa-b3ea-f10178cc98f2",
"assignerShortName": "openEuler",
"cveId": "CVE-2021-33638",
"datePublished": "2023-10-29T07:59:45.026Z",
"dateReserved": "2021-05-28T14:26:05.943Z",
"dateUpdated": "2024-09-09T14:09:44.635Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2021-33638",
"date": "2026-09-20",
"epss": "0.00206",
"percentile": "0.11034"
},
"fkie_nvd": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:openeuler:isula:2.0.8-20210518.144540:*:*:*:*:*:*:*",
"matchCriteriaId": "51FA2EC1-A161-4862-A120-CD48ABF49BBF",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openeuler:isula:2.0.18-10:*:*:*:*:*:*:*",
"matchCriteriaId": "8848DE4D-ADA9-4E92-9FB9-DB53D3733173",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openeuler:isula:2.1.2:*:*:*:*:*:*:*",
"matchCriteriaId": "F3205F81-7008-467C-A79A-BBD521231D48",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "\nWhen the isula cp command is used to copy files from a container to a host machine and the container is controlled by an attacker, the attacker can escape the container.\n\n"
},
{
"lang": "es",
"value": "Cuando el comando isula cp se usa para copiar archivos de un contenedor a una m\u00e1quina host y el contenedor est\u00e1 controlado por un atacante, el atacante puede escapar del contenedor."
}
],
"id": "CVE-2021-33638",
"lastModified": "2024-11-21T06:09:15.173",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 8.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.5,
"impactScore": 5.9,
"source": "securities@openeuler.org",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.0,
"impactScore": 4.0,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2023-10-29T08:15:20.823",
"references": [
{
"source": "securities@openeuler.org",
"tags": [
"Patch"
],
"url": "https://gitee.com/src-openeuler/iSulad/pulls/600/files"
},
{
"source": "securities@openeuler.org",
"tags": [
"Patch"
],
"url": "https://gitee.com/src-openeuler/iSulad/pulls/627/files"
},
{
"source": "securities@openeuler.org",
"tags": [
"Vendor Advisory"
],
"url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2023-1686"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "https://gitee.com/src-openeuler/iSulad/pulls/600/files"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "https://gitee.com/src-openeuler/iSulad/pulls/627/files"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2023-1686"
}
],
"sourceIdentifier": "securities@openeuler.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-665"
}
],
"source": "securities@openeuler.org",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"nvd": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:openeuler:isula:2.0.8-20210518.144540:*:*:*:*:*:*:*",
"matchCriteriaId": "51FA2EC1-A161-4862-A120-CD48ABF49BBF",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openeuler:isula:2.0.18-10:*:*:*:*:*:*:*",
"matchCriteriaId": "8848DE4D-ADA9-4E92-9FB9-DB53D3733173",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openeuler:isula:2.1.2:*:*:*:*:*:*:*",
"matchCriteriaId": "F3205F81-7008-467C-A79A-BBD521231D48",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "\nWhen the isula cp command is used to copy files from a container to a host machine and the container is controlled by an attacker, the attacker can escape the container.\n\n"
},
{
"lang": "es",
"value": "Cuando el comando isula cp se usa para copiar archivos de un contenedor a una m\u00e1quina host y el contenedor est\u00e1 controlado por un atacante, el atacante puede escapar del contenedor."
}
],
"id": "CVE-2021-33638",
"lastModified": "2024-11-21T06:09:15.173",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 8.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.5,
"impactScore": 5.9,
"source": "securities@openeuler.org",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.0,
"impactScore": 4.0,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2023-10-29T08:15:20.823",
"references": [
{
"source": "securities@openeuler.org",
"tags": [
"Patch"
],
"url": "https://gitee.com/src-openeuler/iSulad/pulls/600/files"
},
{
"source": "securities@openeuler.org",
"tags": [
"Patch"
],
"url": "https://gitee.com/src-openeuler/iSulad/pulls/627/files"
},
{
"source": "securities@openeuler.org",
"tags": [
"Vendor Advisory"
],
"url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2023-1686"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "https://gitee.com/src-openeuler/iSulad/pulls/600/files"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "https://gitee.com/src-openeuler/iSulad/pulls/627/files"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2023-1686"
}
],
"sourceIdentifier": "securities@openeuler.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-665"
}
],
"source": "securities@openeuler.org",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-01-09T08:52:26+00:00",
"cve": "CVE-2021-33638",
"id": "CVE-2021-33638",
"initial_release_date": "2021-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Run copy with container in a malicious directory may cause container escaping",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-33638.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T23:58:22.075Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2023-1686"
},
{
"tags": [
"x_transferred"
],
"url": "https://gitee.com/src-openeuler/iSulad/pulls/627/files"
},
{
"tags": [
"x_transferred"
],
"url": "https://gitee.com/src-openeuler/iSulad/pulls/600/files"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2021-33638",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-09T14:09:31.917709Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-09-09T14:09:38.715Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://gitee.com/src-openeuler",
"defaultStatus": "unaffected",
"modules": [
"image"
],
"packageName": "iSulad",
"platforms": [
"Linux"
],
"product": "iSulad",
"programFiles": [
"https://gitee.com/openeuler/iSulad/blob/master/src/utils/tar/util_archive.c"
],
"repo": "https://gitee.com/src-openeuler/iSulad",
"vendor": "openEuler",
"versions": [
{
"changes": [
{
"at": "0102-fix-loading-of-nsswitch-based-config-inside-chr.patch",
"status": "unaffected"
},
{
"at": "0106-fix-loading-of-nsswitch-based-config-inside-chroot-u.patch",
"status": "unaffected"
}
],
"lessThanOrEqual": "2.0.8-20210518.144540.git5288ed93,2.0.18-10,2.1.2",
"status": "affected",
"version": "0",
"versionType": "patch"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"user": "00000000-0000-4000-9000-000000000000",
"value": "panwenjie2@huawei.com"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\n\nWhen the isula cp command is used to copy files from a container to a host machine and the container is controlled by an attacker, the attacker can escape the container.\n\n"
}
],
"value": "\nWhen the isula cp command is used to copy files from a container to a host machine and the container is controlled by an attacker, the attacker can escape the container.\n\n"
}
],
"impacts": [
{
"capecId": "CAPEC-480",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-480 Escaping Virtualization"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 8.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-665",
"description": "CWE-665 Improper Initialization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-10-29T07:59:45.026Z",
"orgId": "7e1ac599-2767-43fa-b3ea-f10178cc98f2",
"shortName": "openEuler"
},
"references": [
{
"url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2023-1686"
},
{
"url": "https://gitee.com/src-openeuler/iSulad/pulls/627/files"
},
{
"url": "https://gitee.com/src-openeuler/iSulad/pulls/600/files"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Run copy with container in a malicious directory may cause container escaping",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "7e1ac599-2767-43fa-b3ea-f10178cc98f2",
"assignerShortName": "openEuler",
"cveId": "CVE-2021-33638",
"datePublished": "2023-10-29T07:59:45.026Z",
"dateReserved": "2021-05-28T14:26:05.943Z",
"dateUpdated": "2024-09-09T14:09:44.635Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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…