CVE-2021-31870 - Vulnerability Details - OpenCVE

An issue was discovered in klibc before 2.0.9. Multiplication in the calloc() function may result in an integer overflow and a subsequent heap buffer overflow.

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.

Key SSVC decision points have not yet been added.

Vendors	Products
Debian	Debian Linux
Klibc Project	Klibc

Configuration 1 [-]

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

Configuration 2 [-]

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

No data.

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=292650f04c2b5348b4efbad61fb014ed09b4f3f2
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: 2021-04-30T05:19:13

Updated: 2024-08-03T23:10:30.774Z

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

Link: CVE-2021-31870

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-04-30T06:15:07.190

Modified: 2024-11-21T06:06:23.677

Link: CVE-2021-31870

Redhat

No data.

{"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. Multiplication in the calloc() function may result in an integer overflow and a subsequent heap buffer overflow."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-06-28T20:06:16", "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://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=292650f04c2b5348b4efbad61fb014ed09b4f3f2"}, {"tags": ["x_refsource_MISC"], "url": "https://lists.zytor.com/archives/klibc/2021-April/004593.html"}, {"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-2021-31870", "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. Multiplication in the calloc() function may result in an integer overflow and a subsequent heap buffer overflow."}]}, "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://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=292650f04c2b5348b4efbad61fb014ed09b4f3f2", "refsource": "MISC", "url": "https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=292650f04c2b5348b4efbad61fb014ed09b4f3f2"}, {"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": "[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": "2024-08-03T23:10:30.774Z"}, "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://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=292650f04c2b5348b4efbad61fb014ed09b4f3f2"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://lists.zytor.com/archives/klibc/2021-April/004593.html"}, {"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-2021-31870", "datePublished": "2021-04-30T05:19:13", "dateReserved": "2021-04-29T00:00:00", "dateUpdated": "2024-08-03T23:10:30.774Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:klibc_project:klibc:*:*:*:*:*:*:*:*", "matchCriteriaId": "2FF3DF47-F57D-4639-9500-9F755F54DF79", "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. Multiplication in the calloc() function may result in an integer overflow and a subsequent heap buffer overflow."}, {"lang": "es", "value": "Se detect\u00f3 un problema en klibc versiones anteriores a 2.0.9. Una multiplicaci\u00f3n en la funci\u00f3n calloc() puede resultar en un desbordamiento de enteros y un posterior desbordamiento del b\u00fafer de la pila."}], "id": "CVE-2021-31870", "lastModified": "2024-11-21T06:06:23.677", "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": "2021-04-30T06:15:07.190", "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=292650f04c2b5348b4efbad61fb014ed09b4f3f2"}, {"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": ["Mailing List", "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=292650f04c2b5348b4efbad61fb014ed09b4f3f2"}, {"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": ["Mailing List", "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"}]}