Resource Exhaustion Affecting samba package, versions <2:4.3.11+dfsg-0ubuntu0.16.04.28


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
3.84% (92nd percentile)

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  • Snyk IDSNYK-UBUNTU1604-SAMBA-575206
  • published2 Jul 2020
  • disclosed7 Jul 2020

Introduced: 2 Jul 2020

CVE-2020-10745  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 samba to version 2:4.3.11+dfsg-0ubuntu0.16.04.28 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 Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

A flaw was found in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4 in the way it processed NetBios over TCP/IP. This flaw allows a remote attacker could to cause the Samba server to consume excessive CPU use, resulting in a denial of service. This highest threat from this vulnerability is to system availability.

CVSS Scores

version 3.1