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."
Published 2007-06-11 18:30:00
Updated 2020-01-21 15:44:37
Source MITRE
View at NVD,   CVE.org

Products affected by CVE-2007-3149

Exploit prediction scoring system (EPSS) score for CVE-2007-3149

0.06%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 27 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2007-3149

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.2
HIGH AV:L/AC:L/Au:N/C:C/I:C/A:C
3.9
10.0
NIST

Vendor statements for CVE-2007-3149

  • Red Hat 2007-06-11
    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.
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