CVE-2021-42614

View on CVE.org

Published May 24, 2022 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

Description

A use after free in info_width_internal in bk_info.c in Halibut 1.2 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted text document.

Affected Products

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:halibut_project:halibut:1.2:*:*:*:*:*:*:*

Configuration 2 [-]

cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-29578	A use after free in info_width_internal in bk_info.c in Halibut 1.2 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted text document.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.883% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://carteryagemann.com/halibut-case-study.html#poc-halibut-info-uaf
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CC7UZ7NRXDA7YSCSGWE2CBQM7OZS3K2R/

History

No history.

Subscriptions

Fedoraproject Fedora

Halibut Project Halibut

Weaknesses

CWE-416

Sources

CVE record Updated: Aug 4, 2024, 3:38 AM

Status: PUBLISHED
Assigner: mitre
Published: May 24, 2022, 6:30 PM
Updated: Aug 4, 2024, 3:38 AM
Reserved: Oct 18, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:09 AM

Status: Modified
Published: May 24, 2022, 7:15 PM
Modified: Jun 17, 2026, 4:09 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "A use after free in info_width_internal in bk_info.c in Halibut 1.2 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted text document."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-06-16T04:06:12.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://carteryagemann.com/halibut-case-study.html#poc-halibut-info-uaf"}, {"name": "FEDORA-2022-9a9abd295b", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CC7UZ7NRXDA7YSCSGWE2CBQM7OZS3K2R/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-42614", "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": "A use after free in info_width_internal in bk_info.c in Halibut 1.2 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted text document."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://carteryagemann.com/halibut-case-study.html#poc-halibut-info-uaf", "refsource": "MISC", "url": "https://carteryagemann.com/halibut-case-study.html#poc-halibut-info-uaf"}, {"name": "FEDORA-2022-9a9abd295b", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CC7UZ7NRXDA7YSCSGWE2CBQM7OZS3K2R/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T03:38:50.111Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://carteryagemann.com/halibut-case-study.html#poc-halibut-info-uaf"}, {"name": "FEDORA-2022-9a9abd295b", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CC7UZ7NRXDA7YSCSGWE2CBQM7OZS3K2R/"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-42614", "datePublished": "2022-05-24T18:30:27.000Z", "dateReserved": "2021-10-18T00:00:00.000Z", "dateUpdated": "2024-08-04T03:38:50.111Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:halibut_project:halibut:1.2:*:*:*:*:*:*:*", "matchCriteriaId": "18DEFBE0-31AF-42CF-ADA9-4F79BAE1852C", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A use after free in info_width_internal in bk_info.c in Halibut 1.2 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted text document."}, {"lang": "es", "value": "Un uso de memoria previamente liberada en la funci\u00f3n info_width_internal en el archivo bk_info.c en Halibut versi\u00f3n 1.2, permite a un atacante causar un fallo de segmentaci\u00f3n o posiblemente tener otro impacto no especificado por medio de un documento de texto dise\u00f1ado"}], "id": "CVE-2021-42614", "lastModified": "2026-06-17T04:09:52.733", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-05-24T19:15:09.270", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://carteryagemann.com/halibut-case-study.html#poc-halibut-info-uaf"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CC7UZ7NRXDA7YSCSGWE2CBQM7OZS3K2R/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://carteryagemann.com/halibut-case-study.html#poc-halibut-info-uaf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CC7UZ7NRXDA7YSCSGWE2CBQM7OZS3K2R/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}