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CVE-2018-16860

UnknownEPSS 2.49%

Last modified

CVE-2018-16860 is a vulnerability of currently unknown severity. A flaw was found in samba's Heimdal KDC implementation, versions 4.8.x up to, excluding 4.8.12, 4.9.x up to, excluding 4.9.8 and 4.10.x up to, excluding 4.10.3, when used in AD DC mode. A man in the middle attacker could use this flaw to intercept the request to the KDC and replace the user name (principal) in the request with any desired user name (principal) that exists in the KDC effectively obtaining a ticket for that principal.. EPSS estimates a 2.49% chance of exploitation in the next 30 days.

Description

A flaw was found in samba's Heimdal KDC implementation, versions 4.8.x up to, excluding 4.8.12, 4.9.x up to, excluding 4.9.8 and 4.10.x up to, excluding 4.10.3, when used in AD DC mode. A man in the middle attacker could use this flaw to intercept the request to the KDC and replace the user name (principal) in the request with any desired user name (principal) that exists in the KDC effectively obtaining a ticket for that principal.

Metrics

EPSS Probability
2.49%

82.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SambaSamba>= 4.8.0, < 4.8.12
SambaSamba>= 4.9.0, < 4.9.8
SambaSamba>= 4.10.0, < 4.10.3
Heimdal ProjectHeimdal>= 0.8, <= 7.5.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-16860?
A flaw was found in samba's Heimdal KDC implementation, versions 4.8.x up to, excluding 4.8.12, 4.9.x up to, excluding 4.9.8 and 4.10.x up to, excluding 4.10.3, when used in AD DC mode. A man in the middle attacker could use this flaw to intercept the request to the KDC and replace the user name (principal) in the request with any desired user name (principal) that exists in the KDC effectively obtaining a ticket for that principal.
How severe is CVE-2018-16860?
Severity scoring for CVE-2018-16860 is pending analysis. The EPSS model estimates a 2.49% probability of exploitation in the next 30 days.
How do I fix CVE-2018-16860?
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-2018-16860?

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

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Source: NVD / NIST