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permite a usuarios locales obtener informaci\u00f3n clave sensible a trav\u00e9s de la llamada al sistema ptrace."}], "id": "CVE-2011-4327", "lastModified": "2026-04-29T01:13:23.040", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2014-02-03T03:55:03.550", "references": [{"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://www.openssh.com/txt/portable-keysign-rand-helper.adv"}, {"source": "secalert@redhat.com", "url": 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{"bugzilla": {"description": "openssh: Unauthorized local access to host keys on platforms where ssh-rand-helper used", "id": "755640", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=755640"}, "csaw": false, "cvss": {"cvss_base_score": "2.1", "cvss_scoring_vector": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "status": "draft"}, "details": ["ssh-keysign.c in ssh-keysign in OpenSSH before 5.8p2 on certain platforms executes ssh-rand-helper with unintended open file descriptors, which allows local users to obtain sensitive key information via the ptrace system call."], "name": "CVE-2011-4327", "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": "2011-05-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-4327\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-4327"], "statement": "Not vulnerable. This issue did not affect the versions of openssh as shipped with Red Hat Enterprise Linux 4, 5, and 6, as they use a built-in entropy pool to generate and retrieve entropy information when performing host-based authentication.", "threat_severity": "Moderate"}

{}