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Resource Exhaustion Affecting samba package, versions <2:4.9.2+dfsg-2

Severity

 Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
4.16% (93rd percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-SAMBA-357730
  • published2 Dec 2018
  • disclosed28 Nov 2018
Report a new vulnerability Found a mistake?

Introduced: 28 Nov 2018

CVE-2018-16853  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade Debian:unstable samba to version 2:4.9.2+dfsg-2 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:unstable relevant fixed versions and status.

Samba from version 4.7.0 has a vulnerability that allows a user in a Samba AD domain to crash the KDC when Samba is built in the non-default MIT Kerberos configuration. With this advisory the Samba Team clarify that the MIT Kerberos build of the Samba AD DC is considered experimental. Therefore the Samba Team will not issue security patches for this configuration. Additionally, Samba 4.7.12, 4.8.7 and 4.9.3 have been issued as security releases to prevent building of the AD DC with MIT Kerberos unless --with-experimental-mit-ad-dc is specified to the configure command.