CVE-2017-17790

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NOTE: situations with untrusted input may be highly unlikely."}, {"lang": "es", "value": "La funci\u00f3n lazy_initialize en lib/resolv.rb en Ruby hasta la versi\u00f3n 2.4.3 utiliza Kernel#open, lo que podr\u00eda permitir ataques de inyecci\u00f3n de comandos, tal y como demuestra un argumento Resolv::Hosts::new que comience con un car\u00e1cter \"|\". Esta es una vulnerabilidad diferente a CVE-2017-17405. NOTA: es altamente improbable que se den situaciones con entradas no fiables."}], "id": "CVE-2017-17790", "lastModified": "2026-06-17T01:11:39.223", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-12-20T09:29:01.477", "references": [{"source": "cve@mitre.org", "url": "https://access.redhat.com/errata/RHSA-2018:0378"}, {"source": "cve@mitre.org", "url": "https://access.redhat.com/errata/RHSA-2018:0583"}, {"source": "cve@mitre.org", "url": "https://access.redhat.com/errata/RHSA-2018:0584"}, {"source": "cve@mitre.org", "url": "https://access.redhat.com/errata/RHSA-2018:0585"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/ruby/ruby/pull/1777"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2017/12/msg00024.html"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2017/12/msg00025.html"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html"}, {"source": "cve@mitre.org", "url": "https://www.debian.org/security/2018/dsa-4259"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2018:0378"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2018:0583"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2018:0584"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2018:0585"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/ruby/ruby/pull/1777"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2017/12/msg00024.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2017/12/msg00025.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.debian.org/security/2018/dsa-4259"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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NOTE: situations with untrusted input may be highly unlikely.", "The \"lazy_initialize\" function in lib/resolv.rb did not properly process certain filenames. A remote attacker could possibly exploit this flaw to inject and execute arbitrary commands."], "name": "CVE-2017-17790", "package_state": [{"cpe": "cpe:/a:redhat:cloudforms_managementengine:5", "fix_state": "Will not fix", "package_name": "rh-ruby22-ruby", "product_name": "CloudForms Management Engine 5"}, {"cpe": "cpe:/a:redhat:cloudforms_managementengine:5", "fix_state": "Will not fix", "package_name": "ruby200-ruby", "product_name": "CloudForms Management Engine 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "ruby", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "ruby", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/a:rhel_sam:1", "fix_state": "Will not fix", "package_name": "ruby193-ruby", "product_name": "Red Hat Subscription Asset Manager"}], "public_date": "2017-12-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-17790\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-17790"], "statement": "This issue affects the versions of ruby as shipped with Red Hat Enterprise Linux 5, 6 and 7. Red Hat Product Security has rated this issue as having Low security impact. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.", "threat_severity": "Low"}

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