CVE-2021-23827

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Keybase Desktop Client before 5.6.0 on Windows and macOS, and before 5.6.1 on Linux, allows an attacker to obtain potentially sensitive media (such as private pictures) in the Cache and uploadtemps directories. It fails to effectively clear cached pictures, even after deletion via normal methodology within the client, or by utilizing the \"Explode message/Explode now\" functionality. Local filesystem access is needed by the attacker."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-02-22T23:07:21.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/keybase/client/releases"}, {"tags": ["x_refsource_MISC"], "url": "https://johnjhacking.com/blog/cve-2021-23827/"}, {"tags": ["x_refsource_MISC"], "url": "https://hackerone.com/reports/1074930"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-23827", "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": "Keybase Desktop Client before 5.6.0 on Windows and macOS, and before 5.6.1 on Linux, allows an attacker to obtain potentially sensitive media (such as private pictures) in the Cache and uploadtemps directories. It fails to effectively clear cached pictures, even after deletion via normal methodology within the client, or by utilizing the \"Explode message/Explode now\" functionality. Local filesystem access is needed by the attacker."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/keybase/client/releases", "refsource": "MISC", "url": "https://github.com/keybase/client/releases"}, {"name": "https://johnjhacking.com/blog/cve-2021-23827/", "refsource": "MISC", "url": "https://johnjhacking.com/blog/cve-2021-23827/"}, {"name": "https://hackerone.com/reports/1074930", "refsource": "MISC", "url": "https://hackerone.com/reports/1074930"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T19:14:08.885Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/keybase/client/releases"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://johnjhacking.com/blog/cve-2021-23827/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://hackerone.com/reports/1074930"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-23827", "datePublished": "2021-02-22T23:07:21.000Z", "dateReserved": "2021-01-11T00:00:00.000Z", "dateUpdated": "2024-08-03T19:14:08.885Z", "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:keybase:keybase:*:*:*:*:*:*:*:*", "matchCriteriaId": "EB47E767-AB7D-40EA-BC26-2BCA3FD29271", "versionEndExcluding": "5.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E", "vulnerable": false}, {"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:keybase:keybase:*:*:*:*:*:*:*:*", "matchCriteriaId": "CF8618D1-A963-4F75-94BA-74994AAFB2FF", "versionEndExcluding": "5.6.1", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:linux:-:*:*:*:*:*:*:*", "matchCriteriaId": "C4EBE07A-6FEF-4343-BA5D-58FD175F5CD1", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Keybase Desktop Client before 5.6.0 on Windows and macOS, and before 5.6.1 on Linux, allows an attacker to obtain potentially sensitive media (such as private pictures) in the Cache and uploadtemps directories. It fails to effectively clear cached pictures, even after deletion via normal methodology within the client, or by utilizing the \"Explode message/Explode now\" functionality. Local filesystem access is needed by the attacker."}, {"lang": "es", "value": "Keybase Desktop Client antes de la versi\u00f3n 5.6.0 en Windows y macOS, y antes de la 5.6.1 en Linux, permite a un atacante obtener medios potencialmente sensibles (como fotos privadas) en los directorios Cache y uploadtemps. No consigue borrar eficazmente las im\u00e1genes almacenadas en la cach\u00e9, ni siquiera despu\u00e9s de haberlas borrado mediante la metodolog\u00eda normal dentro del cliente, o utilizando la funcionalidad \"Explotar mensaje/Explotar ahora\". El atacante necesita acceso al sistema de archivos local."}], "id": "CVE-2021-23827", "lastModified": "2026-06-17T03:38:53.850", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-23T00:15:12.533", "references": [{"source": "cve@mitre.org", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/keybase/client/releases"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://hackerone.com/reports/1074930"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://johnjhacking.com/blog/cve-2021-23827/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/keybase/client/releases"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://hackerone.com/reports/1074930"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://johnjhacking.com/blog/cve-2021-23827/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-312"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}