{"id":"CVE-2007-3149","aliases":["EUVD-2007-3141","GHSA-76wc-mqwv-wjv2"],"status":"published","title":"sudo, when linked with MIT Kerberos 5 (krb5), does not properly check whether a user can...","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.  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.\"","severity":{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00363,"percentile":0.30344,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2007-06-11T18:00:00Z","modified":"2026-06-16T22:41:09Z","products":[{"vendor":"mit","product":"kerberos_5"},{"vendor":"todd_miller","product":"sudo"}],"references":[{"url":"http://www.securityfocus.com/bid/24368","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.sudo.ws/cgi-bin/cvsweb/sudo/auth/kerb5.c","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/470752/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/470739/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://secunia.com/advisories/26540","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/470774/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-3149"},{"url":"https://github.com/advisories/GHSA-76wc-mqwv-wjv2"}],"sources":{"cve":[{"id":"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.  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.\"","status":"published","published":"2007-06-11T18:00:00Z","modified":"2024-08-07T14:05:29.234Z","updated_at":"2026-11-02T13:32:45.563938Z"}],"euvd":[{"id":"EUVD-2007-3141","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.  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.\"","status":"published","published":"2007-06-11T18:00:00Z","modified":"2024-08-07T14:05:29Z","updated_at":"2026-11-03T01:38:18.026387Z"}],"ghsa":[{"id":"GHSA-76wc-mqwv-wjv2","title":"sudo, when linked with MIT Kerberos 5 (krb5), does not properly check whether a user can...","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.  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.\"","status":"published","published":"2022-05-01T18:10:49Z","modified":"2023-01-31T05:04:27Z","updated_at":"2026-11-02T14:48:40.522625Z"}],"nvd":[{"id":"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.  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.\"","status":"published","published":"2007-06-11T18:30:00Z","modified":"2026-06-16T22:41:09.957Z","cvss":[{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:16.479378Z"}]}}