Improperly Implemented Security Check for Standard Affecting samba package, versions <2:4.9.5+dfsg-4


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.32% (72nd percentile)

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  • Snyk IDSNYK-DEBIAN10-SAMBA-346056
  • published14 May 2019
  • disclosed31 Jul 2019

Introduced: 14 May 2019

CVE-2018-16860  (opens in a new tab)
CWE-358  (opens in a new tab)

How to fix?

Upgrade Debian:10 samba to version 2:4.9.5+dfsg-4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream samba package and not the samba package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

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.