CVE-2017-1000373

{"id": "CVE-2017-1000373", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.4, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 2.5, "exploitabilityScore": 3.9}]}, "published": "2017-06-19T16:29:00.497", "references": [{"url": "http://www.securityfocus.com/bid/99177", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "http://www.securitytracker.com/id/1039427", "source": "cve@mitre.org"}, {"url": "https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libc/stdlib/qsort.c?rev=1.15&content-type=text/x-cvsweb-markup", "tags": ["Mitigation", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://support.apple.com/HT208112", "source": "cve@mitre.org"}, {"url": "https://support.apple.com/HT208113", "source": "cve@mitre.org"}, {"url": "https://support.apple.com/HT208115", "source": "cve@mitre.org"}, {"url": "https://support.apple.com/HT208144", "source": "cve@mitre.org"}, {"url": "https://www.exploit-db.com/exploits/42271/", "source": "cve@mitre.org"}, {"url": "https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "The OpenBSD qsort() function is recursive, and not randomized, an attacker can construct a pathological input array of N elements that causes qsort() to deterministically recurse N/4 times. This allows attackers to consume arbitrary amounts of stack memory and manipulate stack memory to assist in arbitrary code execution attacks. This affects OpenBSD 6.1 and possibly earlier versions."}, {"lang": "es", "value": "La funci\u00f3n qsort() de OpenBSD es recursiva y no aleatorizada, por lo que un atacante puede construir un array de entrada patol\u00f3gica de elementos N que provoca que qsort() se repita inevitablemente N/4 veces. Esto permite que los atacantes consuman cantidades de memoria de pila arbitrarias y manipulen la memoria de pila para ayudar en los ataques de ejecuci\u00f3n de c\u00f3digo arbitrario. Esto afecta a OpenBSD 6.1 y, posiblemente, a versiones anteriores."}], "lastModified": "2017-10-24T01:29:01.623", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F5FE30D-1E1E-4811-8263-EAFB651FF144", "versionEndIncluding": "6.1"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}