{"api_version":"1","generated_at":"2026-04-22T23:52:02+00:00","cve":"CVE-2007-3149","urls":{"html":"https://cve.report/CVE-2007-3149","api":"https://cve.report/api/cve/CVE-2007-3149.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2007-3149","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2007-3149"},"summary":{"title":"CVE-2007-3149","description":"sudo, when linked with MIT Kerberos 5 (krb5), does not properly check whether a user can currently authenticate to Kerberos, which allows local users to gain privileges, in a manner unintended by the sudo security model, via certain KRB5_ environment variable settings.  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Versions of sudo package shipped with Red Hat Enterprise Linux versions 2.1, 3, 4 and 5 are linked with PAM support and never use libkrb5 authentication.","cve_year":"2007","cve_id":"3149","crc32":"e3cbd819"}],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2007-3149","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"sudo, when linked with MIT Kerberos 5 (krb5), does not properly check whether a user can currently authenticate to Kerberos, which allows local users to gain privileges, in a manner unintended by the sudo security model, via certain KRB5_ environment variable settings.  NOTE: another researcher disputes this vulnerability, stating that the attacker must be \"a user, who can already log into your system, and can already use sudo.\""}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"24368","refsource":"BID","url":"http://www.securityfocus.com/bid/24368"},{"name":"http://www.sudo.ws/cgi-bin/cvsweb/sudo/auth/kerb5.c","refsource":"CONFIRM","url":"http://www.sudo.ws/cgi-bin/cvsweb/sudo/auth/kerb5.c"},{"name":"20070607 MIT krb5: makes sudo authentication issue MUCH worse.","refsource":"BUGTRAQ","url":"http://www.securityfocus.com/archive/1/470752/100/0/threaded"},{"name":"20070607 Sudo: local root compromise with krb5 enabled","refsource":"BUGTRAQ","url":"http://www.securityfocus.com/archive/1/470739/100/0/threaded"},{"name":"26540","refsource":"SECUNIA","url":"http://secunia.com/advisories/26540"},{"name":"20070607 Re: Sudo: local root compromise with krb5 enabled","refsource":"BUGTRAQ","url":"http://www.securityfocus.com/archive/1/470774/100/0/threaded"}]}},"nvd":{"publishedDate":"2007-06-11 18:30:00","lastModifiedDate":"2020-01-21 15:44:00","problem_types":["NVD-CWE-Other"],"metrics":{"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:C/I:C/A:C","accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE","baseScore":7.2},"severity":"HIGH","exploitabilityScore":3.9,"impactScore":10,"obtainAllPrivilege":true,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:todd_miller:sudo:1.6.8_p12:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:mit:kerberos_5:-:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2007","CveId":"3149","Ordinal":"25778","Title":"CVE-2007-3149","CVE":"CVE-2007-3149","Year":"2007"},"notes":[{"CveYear":"2007","CveId":"3149","Ordinal":"1","NoteData":"sudo, when linked with MIT Kerberos 5 (krb5), does not properly check whether a user can currently authenticate to Kerberos, which allows local users to gain privileges, in a manner unintended by the sudo security model, via certain KRB5_ environment variable settings.  NOTE: another researcher disputes this vulnerability, stating that the attacker must be \"a user, who can already log into your system, and can already use sudo.\"","Type":"Description","Title":null},{"CveYear":"2007","CveId":"3149","Ordinal":"2","NoteData":"2007-06-11","Type":"Other","Title":"Published"},{"CveYear":"2007","CveId":"3149","Ordinal":"3","NoteData":"2018-10-16","Type":"Other","Title":"Modified"}]}}}