CVE-2021-31872 - Vulnerability Details - OpenCVE

An issue was discovered in klibc before 2.0.9. Multiple possible integer overflows in the cpio command on 32-bit systems may result in a buffer overflow or other security impact.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.01173.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:klibc_project:klibc:*:*:*:*:*:x86:*:*

Configuration 2 [-]

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

No data.

No data.

Subscriptions

Vendors	Products
Debian Subscribe	Debian Linux Subscribe
Klibc Project Subscribe	Klibc Subscribe

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
Debian DLA	DLA-2695-1	klibc security update
EUVD	EUVD-2021-18747	An issue was discovered in klibc before 2.0.9. Multiple possible integer overflows in the cpio command on 32-bit systems may result in a buffer overflow or other security impact.
Ubuntu USN	USN-5379-1	klibc vulnerabilities

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://www.openwall.com/lists/oss-security/2021/04/30/1
https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=9b1c91577aef7f2e72c3aa11a27749160bd278ff
https://kernel.org/pub/linux/libs/klibc/2.0/
https://lists.debian.org/debian-lts-announce/2021/06/msg00025.html
https://lists.zytor.com/archives/klibc/2021-April/004593.html

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-04-30T05:19:04.000Z

Updated: 2024-08-03T23:10:31.023Z

Reserved: 2021-04-29T00:00:00.000Z

Link: CVE-2021-31872

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-04-30T06:15:07.313

Modified: 2024-11-21T06:06:23.997

Link: CVE-2021-31872

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-190

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in klibc before 2.0.9. Multiple possible integer overflows in the cpio command on 32-bit systems may result in a buffer overflow or other security impact."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-06-28T20:06:18.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://kernel.org/pub/linux/libs/klibc/2.0/"}, {"tags": ["x_refsource_MISC"], "url": "https://lists.zytor.com/archives/klibc/2021-April/004593.html"}, {"tags": ["x_refsource_MISC"], "url": "https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=9b1c91577aef7f2e72c3aa11a27749160bd278ff"}, {"name": "[oss-security] 20210430 [ANNOUNCE] klibc 2.0.9", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2021/04/30/1"}, {"name": "[debian-lts-announce] 20210628 [SECURITY] [DLA 2695-1] klibc security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00025.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-31872", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An issue was discovered in klibc before 2.0.9. Multiple possible integer overflows in the cpio command on 32-bit systems may result in a buffer overflow or other security impact."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://kernel.org/pub/linux/libs/klibc/2.0/", "refsource": "MISC", "url": "https://kernel.org/pub/linux/libs/klibc/2.0/"}, {"name": "https://lists.zytor.com/archives/klibc/2021-April/004593.html", "refsource": "MISC", "url": "https://lists.zytor.com/archives/klibc/2021-April/004593.html"}, {"name": "https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=9b1c91577aef7f2e72c3aa11a27749160bd278ff", "refsource": "MISC", "url": "https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=9b1c91577aef7f2e72c3aa11a27749160bd278ff"}, {"name": "[oss-security] 20210430 [ANNOUNCE] klibc 2.0.9", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2021/04/30/1"}, {"name": "[debian-lts-announce] 20210628 [SECURITY] [DLA 2695-1] klibc security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00025.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T23:10:31.023Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://kernel.org/pub/linux/libs/klibc/2.0/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://lists.zytor.com/archives/klibc/2021-April/004593.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=9b1c91577aef7f2e72c3aa11a27749160bd278ff"}, {"name": "[oss-security] 20210430 [ANNOUNCE] klibc 2.0.9", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2021/04/30/1"}, {"name": "[debian-lts-announce] 20210628 [SECURITY] [DLA 2695-1] klibc security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00025.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-31872", "datePublished": "2021-04-30T05:19:04.000Z", "dateReserved": "2021-04-29T00:00:00.000Z", "dateUpdated": "2024-08-03T23:10:31.023Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:klibc_project:klibc:*:*:*:*:*:x86:*:*", "matchCriteriaId": "FF639C25-F2EE-43CE-9BFE-90137D24CBC3", "versionEndExcluding": "2.0.9", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in klibc before 2.0.9. Multiple possible integer overflows in the cpio command on 32-bit systems may result in a buffer overflow or other security impact."}, {"lang": "es", "value": "Se detect\u00f3 un problema en klibc versiones anteriores a 2.0.9. M\u00faltiples desbordamientos de enteros posibles en el comando cpio en sistemas de 32 bits pueden resultar en un desbordamiento del b\u00fafer u otro impacto en la seguridad."}], "id": "CVE-2021-31872", "lastModified": "2024-11-21T06:06:23.997", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "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"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-30T06:15:07.313", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Release Notes", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/04/30/1"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=9b1c91577aef7f2e72c3aa11a27749160bd278ff"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://kernel.org/pub/linux/libs/klibc/2.0/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00025.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Release Notes", "Third Party Advisory"], "url": "https://lists.zytor.com/archives/klibc/2021-April/004593.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Release Notes", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/04/30/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=9b1c91577aef7f2e72c3aa11a27749160bd278ff"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://kernel.org/pub/linux/libs/klibc/2.0/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00025.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Release Notes", "Third Party Advisory"], "url": "https://lists.zytor.com/archives/klibc/2021-April/004593.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "nvd@nist.gov", "type": "Primary"}]}