CVE-2016-7076

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{"affected": [{"affectedData": [{"product": "sudo", "vendor": "[UNKNOWN]", "versions": [{"status": "affected", "version": "sudo 1.8.18p1"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:sudo_project:sudo:*:*:*:*:*:*:*:*", "matchCriteriaId": "BF5B72BD-BF72-4F3B-86E4-8C212AEC9F8F", "versionEndIncluding": "1.8.18", "versionStartIncluding": "1.6.8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "sudo before version 1.8.18p1 is vulnerable to a bypass in the sudo noexec restriction if application run via sudo executed wordexp() C library function with a user supplied argument. A local user permitted to run such application via sudo with noexec restriction could possibly use this flaw to execute arbitrary commands with elevated privileges."}, {"lang": "es", "value": "sudo en versiones anteriores a la 1.8.18p1 es vulnerable a una omisi\u00f3n en la restricci\u00f3n noexec de sudo si la aplicaci\u00f3n que se ejecuta mediante sudo ejecuta la funci\u00f3n de la biblioteca de C wordexp() con un argumento proporcionado por el usuario. Un usuario local que pueda ejecutar tal aplicaci\u00f3n mediante sudo con la restricci\u00f3n noexec podr\u00eda emplear este error para ejecutar comandos arbitrarios con privilegios elevados."}], "id": "CVE-2016-7076", "lastModified": "2026-06-17T00:52:32.987", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 0.5, "impactScore": 5.9, "source": "secalert@redhat.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-05-29T13:29:00.210", "references": [{"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2016-2872.html"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/95778"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7076"}, {"source": "secalert@redhat.com", "url": "https://security.netapp.com/advisory/ntap-20181127-0002/"}, {"source": "secalert@redhat.com", "url": "https://usn.ubuntu.com/3968-1/"}, {"source": "secalert@redhat.com", "url": "https://usn.ubuntu.com/3968-3/"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://www.sudo.ws/alerts/noexec_wordexp.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2016-2872.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/95778"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7076"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20181127-0002/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/3968-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/3968-3/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.sudo.ws/alerts/noexec_wordexp.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-184"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-77"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "This issue was discovered by Florian Weimer (Red Hat).", "affected_release": [{"advisory": "RHSA-2016:2872", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "sudo-0:1.8.6p3-25.el6_8", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-12-06T00:00:00Z"}, {"advisory": "RHSA-2016:2872", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "sudo-0:1.8.6p7-21.el7_3", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-12-06T00:00:00Z"}], "bugzilla": {"description": "sudo: noexec bypass via wordexp()", "id": "1384982", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1384982"}, "csaw": false, "cvss": {"cvss_base_score": "6.6", "cvss_scoring_vector": "AV:L/AC:M/Au:S/C:C/I:C/A:C", "status": "verified"}, "cvss3": {"cvss3_base_score": "6.4", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-184", "details": ["sudo before version 1.8.18p1 is vulnerable to a bypass in the sudo noexec restriction if application run via sudo executed wordexp() C library function with a user supplied argument. A local user permitted to run such application via sudo with noexec restriction could possibly use this flaw to execute arbitrary commands with elevated privileges.", "It was discovered that the sudo noexec restriction could have been bypassed if application run via sudo executed wordexp() C library function with a user supplied argument. A local user permitted to run such application via sudo with noexec restriction could possibly use this flaw to execute arbitrary commands with elevated privileges."], "name": "CVE-2016-7076", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "sudo", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2016-10-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-7076\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-7076\nhttps://www.sudo.ws/alerts/noexec_wordexp.html"], "threat_severity": "Moderate"}

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