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{"bugzilla": {"description": "Local authentication bypass in sudo", "id": "243702", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=243702"}, "csaw": false, "details": ["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.\""], "name": "CVE-2007-3149", "public_date": "2007-06-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2007-3149\nhttps://nvd.nist.gov/vuln/detail/CVE-2007-3149"], "statement": "Not vulnerable. 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.", "threat_severity": "Important"}