SAMBA samba

CVE-2018-16860
HIGH 7.5

At a glance

Source
NVD
EPSS
EPSS 2.49 % · percentile 85 ()
State
PUBLISHED
Published
Updated
Assigner
redhat
NVD status
Modified

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.

Weaknesses (CWE)

  • CWE-358 — Improperly Implemented Security Check for Standard

References

Scores

VersionScoreVectorScored by
CVSS 3.0HIGH 7.5CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hredhat
CVSS 3.0HIGH 7.5CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · secalert@redhat.com (Secondary)
CVSS 3.0HIGH 7.5CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)
CVSS 2.0MEDIUM 6.0AV:N/AC:M/Au:S/C:P/I:P/A:PNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
SAMBA · sambaaffected 4.8.x up to, excluding 4.8.12 ; affected 4.9.x up to, excluding 4.9.8 ; affected 4.10.x up to, excluding 4.10.3

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD