CVE-2013-1895

{"containers": {"cna": {"affected": [{"product": "py-bcrypt", "vendor": "py-bcrypt", "versions": [{"status": "affected", "version": "before 0.3"}]}], "datePublic": "2013-03-18T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The py-bcrypt module before 0.3 for Python does not properly handle concurrent memory access, which allows attackers to bypass authentication via multiple authentication requests, which trigger the password hash to be overwritten."}], "problemTypes": [{"descriptions": [{"description": "Other", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-01-28T14:30:24.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_MISC"], "url": "http://www.openwall.com/lists/oss-security/2013/03/26/2"}, {"tags": ["x_refsource_MISC"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101387.html"}, {"tags": ["x_refsource_MISC"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101382.html"}, {"tags": ["x_refsource_MISC"], "url": "http://www.securityfocus.com/bid/58702"}, {"tags": ["x_refsource_MISC"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/83039"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T15:20:37.112Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2013/03/26/2"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101387.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101382.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://www.securityfocus.com/bid/58702"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/83039"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2013-1895", "datePublished": "2020-01-28T14:30:24.000Z", "dateReserved": "2013-02-19T00:00:00.000Z", "dateUpdated": "2024-08-06T15:20:37.112Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "py-bcrypt", "vendor": "py-bcrypt", "versions": [{"status": "affected", "version": "before 0.3"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:python:py-bcrypt:*:*:*:*:*:*:*:*", "matchCriteriaId": "15AC7E79-63CD-4879-9954-80B455BD12FE", "versionEndExcluding": "0.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:17:*:*:*:*:*:*:*", "matchCriteriaId": "2DA9D861-3EAF-42F5-B0B6-A4CD7BDD6188", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:18:*:*:*:*:*:*:*", "matchCriteriaId": "E14271AE-1309-48F3-B9C6-D7DEEC488279", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The py-bcrypt module before 0.3 for Python does not properly handle concurrent memory access, which allows attackers to bypass authentication via multiple authentication requests, which trigger the password hash to be overwritten."}, {"lang": "es", "value": "El m\u00f3dulo py-bcrypt versiones anteriores a 0.3 para Python, no maneja apropiadamente el acceso concurrente a la memoria, que permite a atacantes omitir la autenticaci\u00f3n por medio de m\u00faltiples peticiones de autenticaci\u00f3n, lo que desencadena que el hash de contrase\u00f1a se sobrescriba."}], "id": "CVE-2013-1895", "lastModified": "2026-06-16T23:52:19.253", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "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": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-01-28T15:15:14.343", "references": [{"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "Tool Signature"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101382.html"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101387.html"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2013/03/26/2"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/58702"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/83039"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "Tool Signature"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101382.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101387.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2013/03/26/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/58702"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/83039"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-307"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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