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CVE-2007-3149

UnknownEPSS 0.36%

Last modified

CVE-2007-3149 is a vulnerability of currently unknown severity. 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.". EPSS estimates a 0.36% chance of exploitation in the next 30 days.

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."

Metrics

EPSS Probability
0.36%

28.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
MitKerberos 5All versions
Todd MillerSudo1.6.8_p12

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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."
How severe is CVE-2007-3149?
Severity scoring for CVE-2007-3149 is pending analysis. The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.
How do I fix CVE-2007-3149?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2007-3149?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST