CVE-2011-2483

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PHP en versiones anteriores a 5.3.7 en ciertas plataformas, PostgreSQL en versiones anteriores a 8.4.9 y otros productos, no maneja adecuadamente caracteres de 8-bit, lo que hace m\u00e1s f\u00e1cil a atacantes dependientes de contexto determinar una contrase\u00f1a en texto plano aprovechando el conocimiento del hash de una contrase\u00f1a."}], "id": "CVE-2011-2483", "lastModified": "2026-06-16T23:31:25.673", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/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}]}, "published": 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"af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.php.net/ChangeLog-5.php#5.3.7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.php.net/archive/2011.php#id2011-08-18-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.postgresql.org/docs/8.4/static/release-8-4-9.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://www.redhat.com/support/errata/RHSA-2011-1377.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://www.redhat.com/support/errata/RHSA-2011-1378.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://www.redhat.com/support/errata/RHSA-2011-1423.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/49241"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.ubuntu.com/usn/USN-1229-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69319"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-310"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2011:1377", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "postgresql-0:7.4.30-3.el4", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2011-10-17T00:00:00Z"}, {"advisory": "RHSA-2011:1377", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "postgresql-0:8.1.23-1.el5_7.2", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-10-17T00:00:00Z"}, {"advisory": "RHSA-2011:1378", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "postgresql84-0:8.4.9-1.el5_7.1", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-10-17T00:00:00Z"}, {"advisory": "RHSA-2011:1423", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "php53-0:5.3.3-1.el5_7.3", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-11-02T00:00:00Z"}, {"advisory": "RHSA-2011:1377", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "postgresql-0:8.4.9-1.el6_1.1", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-10-17T00:00:00Z"}, {"advisory": "RHSA-2011:1423", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "php-0:5.3.3-3.el6_1.3", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-11-02T00:00:00Z"}], "bugzilla": {"description": "crypt_blowfish: 8-bit character mishandling allows different password pairs to produce the same hash", "id": "715025", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=715025"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "status": "verified"}, "details": ["crypt_blowfish before 1.1, as used in PHP before 5.3.7 on certain platforms, PostgreSQL before 8.4.9, and other products, does not properly handle 8-bit characters, which makes it easier for context-dependent attackers to determine a cleartext password by leveraging knowledge of a password hash."], "name": "CVE-2011-2483", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:3", "fix_state": "Will not fix", "package_name": "rh-postgresql", "product_name": "Red Hat Enterprise Linux 3"}], "public_date": "2011-06-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-2483\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-2483\nhttp://www.php.net/security/crypt_blowfish.php"], "threat_severity": "Moderate"}

{}