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causar una denegaci\u00f3n de servicio (por excesivo uso de CPU y consumo de memoria) a trav\u00e9s de expresiones glob debidamente modificadas que no coinciden con ning\u00fan nombre de ruta, como lo demuestran las expresiones glob en las solicitudes SSH_FXP_STAT a un demonio de sftp. Se trata de una vulnerabilidad diferente a CVE-2010-2632."}], "id": "CVE-2010-4755", "lastModified": "2014-08-08T21:01:22.163", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-03-02T20:00:00.990", "references": [{"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://cvsweb.netbsd.org/cgi-bin/cvsweb.cgi/src/crypto/dist/ssh/Attic/sftp-glob.c#rev1.13.12.1"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://cvsweb.netbsd.org/cgi-bin/cvsweb.cgi/src/crypto/dist/ssh/Attic/sftp.c#rev1.21.6.1"}, {"source": "cve@mitre.org", "tags": ["Exploit"], "url": "http://cxib.net/stuff/glob-0day.c"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2010-008.txt.asc"}, {"source": "cve@mitre.org", "tags": ["Exploit"], "url": "http://securityreason.com/achievement_securityalert/89"}, {"source": "cve@mitre.org", "tags": ["Exploit"], "url": "http://securityreason.com/exploitalert/9223"}, {"source": "cve@mitre.org", "url": "http://securityreason.com/securityalert/8116"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-399"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "openssh: remote DoS in sftp via crafted glob expressions", "id": "681698", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=681698"}, "csaw": false, "cvss": {"cvss_base_score": "0.0", "cvss_scoring_vector": "AV:L/AC:L/Au:N/C:N/I:N/A:N", "status": "draft"}, "details": ["The (1) remote_glob function in sftp-glob.c and the (2) process_put function in sftp.c in OpenSSH 5.8 and earlier, as used in FreeBSD 7.3 and 8.1, NetBSD 5.0.2, OpenBSD 4.7, and other products, allow remote authenticated users to cause a denial of service (CPU and memory consumption) via crafted glob expressions that do not match any pathnames, as demonstrated by glob expressions in SSH_FXP_STAT requests to an sftp daemon, a different vulnerability than CVE-2010-2632."], "name": "CVE-2010-4755", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Not affected", "package_name": "openssh", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "openssh", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "openssh", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2011-01-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2010-4755\nhttps://nvd.nist.gov/vuln/detail/CVE-2010-4755"], "statement": "We do not consider a denial of service flaw in a client application such as sftp to be a security issue."}