Vulnerability Report

CVE-2007-3149

Title: Todd Miller Sudo Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2007-3149.

CWE Category NVD-CWE-noinfo

Published Date Jun 11, 2007

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 7.2 CVSS v2.0

Exploit Probability (EPSS)

0.36%

Vulnerability Summary

CVE-2007-3149: 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."

Impacted Vendors

gratisoft 1

todd_miller 1

mit 1

Reference Links

http://secunia.com/advisories/26540 http://www.securityfocus.com/archive/1/470739/100/0/threaded http://www.securityfocus.com/archive/1/470752/100/0/threaded http://www.securityfocus.com/archive/1/470774/100/0/threaded http://www.securityfocus.com/bid/24368 http://www.sudo.ws/cgi-bin/cvsweb/sudo/auth/kerb5.c http://secunia.com/advisories/26540 http://www.securityfocus.com/archive/1/470739/100/0/threaded http://www.securityfocus.com/archive/1/470752/100/0/threaded http://www.securityfocus.com/archive/1/470774/100/0/threaded http://www.securityfocus.com/bid/24368 http://www.sudo.ws/cgi-bin/cvsweb/sudo/auth/kerb5.c

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.2

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:L/AC:L/Au:N/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2007-3149 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 09, 2025 MODIFIED

Vulnerability data or affected products updated.

June 11, 2007 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected Stack

No specific products linked.