MEDIUM · 6.5

CVE-2017-11368

In MIT Kerberos 5 (aka krb5) 1.7 and later, an authenticated attacker can cause a KDC assertion failure by sending invalid S4U2Self or S4U2Proxy requests.

Vulnerability Description

In MIT Kerberos 5 (aka krb5) 1.7 and later, an authenticated attacker can cause a KDC assertion failure by sending invalid S4U2Self or S4U2Proxy requests.

CVSS Score

6.5

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
FedoraprojectFedora25
MitKerberos5-1.13.7
MitKerberos 51.7

Related Weaknesses (CWE)

References

FAQ

What is CVE-2017-11368?

CVE-2017-11368 is a vulnerability with a CVSS score of 6.5 (MEDIUM). In MIT Kerberos 5 (aka krb5) 1.7 and later, an authenticated attacker can cause a KDC assertion failure by sending invalid S4U2Self or S4U2Proxy requests.

How severe is CVE-2017-11368?

CVE-2017-11368 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-11368?

Check the references section above for vendor advisories and patch information. Affected products include: Fedoraproject Fedora, Mit Kerberos, Mit Kerberos 5.