{"containers": {"cna": {"affected": [{"product": "HHVM", "vendor": "Facebook", "versions": [{"lessThan": "unspecified", "status": "unaffected", "version": "4.98.1", "versionType": "custom"}, {"status": "affected", "version": "4.98.0"}, {"lessThan": "unspecified", "status": "unaffected", "version": "4.97.1", "versionType": "custom"}, {"status": "affected", "version": "4.97.0"}, {"lessThan": "unspecified", "status": "unaffected", "version": "4.96.1", "versionType": "custom"}, {"status": "affected", "version": "4.96.0"}, {"lessThan": "unspecified", "status": "unaffected", "version": "4.95.1", "versionType": "custom"}, {"status": "affected", "version": "4.95.0"}, {"lessThan": "unspecified", "status": "unaffected", "version": "4.94.1", "versionType": "custom"}, {"status": "affected", "version": "4.94.0"}, {"lessThan": "unspecified", "status": "unaffected", "version": "4.93.2", "versionType": "custom"}, {"lessThan": "unspecified", "status": "affected", "version": "4.81.0", "versionType": "custom"}, {"lessThan": "unspecified", "status": "unaffected", "version": "4.80.2", "versionType": "custom"}, {"lessThan": "unspecified", "status": "affected", "version": "4.57.0", "versionType": "custom"}, {"lessThan": "unspecified", "status": "unaffected", "version": "4.56.3", "versionType": "custom"}, {"lessThan": "4.56.3", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "dateAssigned": "2020-12-14T00:00:00", "descriptions": [{"lang": "en", "value": "In the crypt function, we attempt to null terminate a buffer using the size of the input salt without validating that the offset is within the buffer. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-121", "description": "Stack-based Buffer Overflow (CWE-121)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-03-10T15:50:30", "orgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "shortName": "facebook"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://hhvm.com/blog/2021/02/25/security-update.html"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve-assign@fb.com", "DATE_ASSIGNED": "2020-12-14", "ID": "CVE-2020-1921", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "HHVM", "version": {"version_data": [{"version_affected": "!>=", "version_value": "4.98.1"}, {"version_affected": "=", "version_value": "4.98.0"}, {"version_affected": "!>=", "version_value": "4.97.1"}, {"version_affected": "=", "version_value": "4.97.0"}, {"version_affected": "!>=", "version_value": "4.96.1"}, {"version_affected": "=", "version_value": "4.96.0"}, {"version_affected": "!>=", "version_value": "4.95.1"}, {"version_affected": "=", "version_value": "4.95.0"}, {"version_affected": "!>=", "version_value": "4.94.1"}, {"version_affected": "=", "version_value": "4.94.0"}, {"version_affected": "!>=", "version_value": "4.93.2"}, {"version_affected": ">=", "version_value": "4.81.0"}, {"version_affected": "!>=", "version_value": "4.80.2"}, {"version_affected": ">=", "version_value": "4.57.0"}, {"version_affected": "!>=", "version_value": "4.56.3"}, {"version_affected": "<", "version_value": "4.56.3"}]}}]}, "vendor_name": "Facebook"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In the crypt function, we attempt to null terminate a buffer using the size of the input salt without validating that the offset is within the buffer. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Stack-based Buffer Overflow (CWE-121)"}]}]}, "references": {"reference_data": [{"name": "https://hhvm.com/blog/2021/02/25/security-update.html", "refsource": "MISC", "url": "https://hhvm.com/blog/2021/02/25/security-update.html"}, {"name": "https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca", "refsource": "MISC", "url": "https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T06:54:00.475Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://hhvm.com/blog/2021/02/25/security-update.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca"}]}]}, "cveMetadata": {"assignerOrgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "assignerShortName": "facebook", "cveId": "CVE-2020-1921", "datePublished": "2021-03-10T15:50:30", "dateReserved": "2019-12-02T00:00:00", "dateUpdated": "2024-08-04T06:54:00.475Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*", "matchCriteriaId": "069C0B7D-5233-4EFF-BBA7-8B84D9227044", "versionEndExcluding": "4.56.3", "vulnerable": true}, {"criteria": "cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*", "matchCriteriaId": "59DAD37C-9F51-4BE3-B045-537CA259F7F7", "versionEndExcluding": "4.80.2", "versionStartIncluding": "4.57.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*", "matchCriteriaId": "3B78720F-AA79-459F-A66C-5C4D67D7EE31", "versionEndExcluding": "4.93.2", "versionStartIncluding": "4.81.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:facebook:hhvm:4.94.0:*:*:*:*:*:*:*", "matchCriteriaId": "1C4B9A3C-6A5A-45C4-A490-C13CF6D6A867", "vulnerable": true}, {"criteria": "cpe:2.3:a:facebook:hhvm:4.95.0:*:*:*:*:*:*:*", "matchCriteriaId": "18D33DC0-E6A7-4DC6-8E9A-2B85842EC21B", "vulnerable": true}, {"criteria": "cpe:2.3:a:facebook:hhvm:4.96.0:*:*:*:*:*:*:*", "matchCriteriaId": "B0B9078D-3C25-45B2-B5F2-59585A47BACB", "vulnerable": true}, {"criteria": "cpe:2.3:a:facebook:hhvm:4.97.0:*:*:*:*:*:*:*", "matchCriteriaId": "7B8F5C11-8610-4099-8A45-E6241F3D24E0", "vulnerable": true}, {"criteria": "cpe:2.3:a:facebook:hhvm:4.98.0:*:*:*:*:*:*:*", "matchCriteriaId": "47FF13C3-19DC-4F53-BF9D-38AC89D647D5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In the crypt function, we attempt to null terminate a buffer using the size of the input salt without validating that the offset is within the buffer. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0."}, {"lang": "es", "value": "En la funci\u00f3n crypt, intentamos anular la finalizaci\u00f3n de un b\u00fafer usando el tama\u00f1o de la sal de entrada sin comprobar que el desplazamiento est\u00e9 dentro del b\u00fafer.&#xa0;Este problema afecta a HHVM versiones anteriores a 4.56.3, todas las versiones entre 4.57.0 y 4.80.1, todas las versiones entre 4.81.0 y 4.93.1 y versiones 4.94.0, 4.95.0, 4.96.0, 4.97.0 , 4.98.0"}], "id": "CVE-2020-1921", "lastModified": "2024-11-21T05:11:37.023", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-03-10T16:15:14.547", "references": [{"source": "cve-assign@fb.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca"}, {"source": "cve-assign@fb.com", "tags": ["Vendor Advisory"], "url": "https://hhvm.com/blog/2021/02/25/security-update.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://hhvm.com/blog/2021/02/25/security-update.html"}], "sourceIdentifier": "cve-assign@fb.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "cve-assign@fb.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}