CVE-2007-3149

Severity: high (CVSS 7.2 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-06-11 · updated 2026-06-16

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."

Affected products

MIT Kerberos 5: all versions
Todd Miller Sudo: 1.6.8_p12

References

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

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