CVE-2019-19232 (GCVE-0-2019-19232)

Vulnerability from cvelistv5 – Published: 2019-12-19 20:37 – Updated: 2024-08-05 02:09 Disputed
VLAI
Summary
In Sudo through 1.8.29, an attacker with access to a Runas ALL sudoer account can impersonate a nonexistent user by invoking sudo with a numeric uid that is not associated with any user. NOTE: The software maintainer believes that this is not a vulnerability because running a command via sudo as a user not present in the local password database is an intentional feature. Because this behavior surprised some users, sudo 1.8.30 introduced an option to enable/disable this behavior with the default being disabled. However, this does not change the fact that sudo was behaving as intended, and as documented, in earlier versions
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
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      "references": "[{\"url\": \"http://seclists.org/fulldisclosure/2020/Mar/31\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://access.redhat.com/security/cve/cve-2019-19232\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I6TKF36KOQUVJNBHSVJFA7BU3CCEYD2F/\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IY6DZ7WMDKU4ZDML6MJLDAPG42B5WVUC/\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs58103\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs58812\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs58979\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs76870\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20200103-0004/\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://support.apple.com/en-gb/HT211100\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://support.apple.com/kb/HT211100\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://support2.windriver.com/index.php?page=cve\u0026on=view\u0026id=CVE-2019-19232\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://support2.windriver.com/index.php?page=defects\u0026on=view\u0026id=LIN1018-5506\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://www.bsi.bund.de/SharedDocs/Warnmeldungen/DE/CB/2019/12/warnmeldung_cb-k20-0001.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://www.oracle.com/security-alerts/bulletinapr2020.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://www.sudo.ws/devel.html#1.8.30b2\", \"source\": \"cve@mitre.org\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.sudo.ws/stable.html\", \"source\": \"cve@mitre.org\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.tenable.com/plugins/nessus/133936\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://seclists.org/fulldisclosure/2020/Mar/31\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://access.redhat.com/security/cve/cve-2019-19232\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I6TKF36KOQUVJNBHSVJFA7BU3CCEYD2F/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IY6DZ7WMDKU4ZDML6MJLDAPG42B5WVUC/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs58103\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs58812\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs58979\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs76870\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20200103-0004/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://support.apple.com/en-gb/HT211100\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://support.apple.com/kb/HT211100\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://support2.windriver.com/index.php?page=cve\u0026on=view\u0026id=CVE-2019-19232\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://support2.windriver.com/index.php?page=defects\u0026on=view\u0026id=LIN1018-5506\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://www.bsi.bund.de/SharedDocs/Warnmeldungen/DE/CB/2019/12/warnmeldung_cb-k20-0001.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://www.oracle.com/security-alerts/bulletinapr2020.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://www.sudo.ws/devel.html#1.8.30b2\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.sudo.ws/stable.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.tenable.com/plugins/nessus/133936\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-noinfo\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2019-19232\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2019-12-19T21:15:13.730\",\"lastModified\":\"2024-11-21T04:34:23.080\",\"vulnStatus\":\"Modified\",\"cveTags\":[{\"sourceIdentifier\":\"cve@mitre.org\",\"tags\":[\"disputed\"]}],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In Sudo through 1.8.29, an attacker with access to a Runas ALL sudoer account can impersonate a nonexistent user by invoking sudo with a numeric uid that is not associated with any user. NOTE: The software maintainer believes that this is not a vulnerability because running a command via sudo as a user not present in the local password database is an intentional feature. Because this behavior surprised some users, sudo 1.8.30 introduced an option to enable/disable this behavior with the default being disabled. However, this does not change the fact that sudo was behaving as intended, and as documented, in earlier versions\"},{\"lang\":\"es\",\"value\":\"** EN DISPUTA ** En Sudo hasta 1.8.29, un atacante con acceso a una cuenta de sudoer Runas ALL puede suplantar a un usuario inexistente invocando sudo con un uid num\u00e9rico que no est\u00e1 asociado con ning\u00fan usuario. NOTA: El responsable del software cree que esto no es una vulnerabilidad porque ejecutar un comando a trav\u00e9s de sudo como un usuario que no est\u00e1 presente en la base de datos de contrase\u00f1as local es una caracter\u00edstica intencional. Debido a que este comportamiento sorprendi\u00f3 a algunos usuarios, sudo 1.8.30 introdujo una opci\u00f3n para habilitar / deshabilitar este comportamiento con el valor predeterminado deshabilitado. Sin embargo, esto no cambia el hecho de que sudo se estaba comportando seg\u00fan lo previsto, y seg\u00fan lo documentado, en versiones anteriores.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:P/A:N\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sudo:sudo:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"1.8.29\",\"matchCriteriaId\":\"E313952C-D529-4DEC-A046-C7A29AFDE26C\"}]}]}],\"references\":[{\"url\":\"http://seclists.org/fulldisclosure/2020/Mar/31\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://access.redhat.com/security/cve/cve-2019-19232\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I6TKF36KOQUVJNBHSVJFA7BU3CCEYD2F/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IY6DZ7WMDKU4ZDML6MJLDAPG42B5WVUC/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs58103\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs58812\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs58979\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs76870\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20200103-0004/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://support.apple.com/en-gb/HT211100\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://support.apple.com/kb/HT211100\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://support2.windriver.com/index.php?page=cve\u0026on=view\u0026id=CVE-2019-19232\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://support2.windriver.com/index.php?page=defects\u0026on=view\u0026id=LIN1018-5506\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://www.bsi.bund.de/SharedDocs/Warnmeldungen/DE/CB/2019/12/warnmeldung_cb-k20-0001.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://www.oracle.com/security-alerts/bulletinapr2020.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://www.sudo.ws/devel.html#1.8.30b2\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor 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  }
}


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Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.