CVE-2007-3149: sudo, when linked with MIT Kerberos 5 (krb5), does not properly check whether a user can currently authenti...

Security readout for executives and security teams

This 2007 issue concerns sudo installations built with MIT Kerberos 5. A local user might gain privileges in a way sudo did not intend through Kerberos-related environment settings. Business urgency depends on whether legacy systems still use sudo with krb5; severity and practical impact are unclear and disputed in the CVE record. Exposure appears limited to legacy Unix-like systems where sudo is linked with MIT Kerberos 5. The provided record does not name affected vendors, package versions, CPEs, or maintained distributions. Systems without sudo krb5 integration are not indicated as affected by these sources. Treat this as a targeted legacy-configuration risk, not an internet-wide emergency. Prioritize environments that still combine sudo, MIT Kerberos 5, and broad local user access. Lack of CVSS, named versions, and exploitation evidence lowers confidence, but privilege-control issues deserve cleanup during legacy hardening. Mitigation focus: Inventory systems where sudo is built or configured with MIT Kerberos 5 support.; Check sudo and operating-system vendor guidance for fixed or supported package versions.; If vendor guidance permits, disable sudo Kerberos authentication where it is not required..

Prepared

Jun 29, 2026, 05:15 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.