CVE-2018-0733

{"id": "CVE-2018-0733", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.2}]}, "published": "2018-03-27T21:29:00.610", "references": [{"url": "http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html", "source": "openssl-security@openssl.org"}, {"url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html", "source": "openssl-security@openssl.org"}, {"url": "http://www.securityfocus.com/bid/103517", "tags": ["Third Party Advisory", "VDB Entry"], "source": "openssl-security@openssl.org"}, {"url": "http://www.securitytracker.com/id/1040576", "tags": ["Third Party Advisory", "VDB Entry"], "source": "openssl-security@openssl.org"}, {"url": "https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=56d5a4bfcaf37fa420aef2bb881aa55e61cf5f2f", "source": "openssl-security@openssl.org"}, {"url": "https://security.gentoo.org/glsa/201811-21", "source": "openssl-security@openssl.org"}, {"url": "https://security.netapp.com/advisory/ntap-20180330-0002/", "tags": ["Third Party Advisory"], "source": "openssl-security@openssl.org"}, {"url": "https://www.openssl.org/news/secadv/20180327.txt", "tags": ["Vendor Advisory"], "source": "openssl-security@openssl.org"}, {"url": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html", "source": "openssl-security@openssl.org"}, {"url": "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html", "source": "openssl-security@openssl.org"}, {"url": "https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html", "source": "openssl-security@openssl.org"}, {"url": "https://www.tenable.com/security/tns-2018-04", "source": "openssl-security@openssl.org"}, {"url": "https://www.tenable.com/security/tns-2018-06", "source": "openssl-security@openssl.org"}, {"url": "https://www.tenable.com/security/tns-2018-07", "source": "openssl-security@openssl.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "Because of an implementation bug the PA-RISC CRYPTO_memcmp function is effectively reduced to only comparing the least significant bit of each byte. This allows an attacker to forge messages that would be considered as authenticated in an amount of tries lower than that guaranteed by the security claims of the scheme. The module can only be compiled by the HP-UX assembler, so that only HP-UX PA-RISC targets are affected. Fixed in OpenSSL 1.1.0h (Affected 1.1.0-1.1.0g)."}, {"lang": "es", "value": "Debido a un error de implementaci\u00f3n, la funci\u00f3n CRYPTO_memcmp en PA-RISC \u00fanicamente compara el bit menos significativo o de menor peso de cada byte. Esto permite que un atacante falsifique mensajes que se considerar\u00edan como autenticados en una cantidad de intentos menor que los que aseguran las garant\u00edas de seguridad del esquema. El m\u00f3dulo solo se puede compilar con un ensamblador HP-UX, de forma que solo se ven afectados los PA-RISC de HP-UX. Solucionado en OpenSSL 1.1.0h (versiones 1.1.0-1.1.0g afectadas)."}], "lastModified": "2023-11-07T02:51:05.120", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "322768B5-2E14-40B9-A784-8981F4376E13", "versionEndIncluding": "1.1.0g", "versionStartIncluding": "1.1.0"}], "operator": "OR"}]}], "sourceIdentifier": "openssl-security@openssl.org"}