Improper Access Control Affecting samba package, versions <4.2.9-r0


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
12.94% (96th percentile)

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  • Snyk IDSNYK-ALPINE34-SAMBA-468650
  • published22 Sept 2019
  • disclosed22 Sept 2019
  • creditUnknown

Introduced: 22 Sep 2019

CVE-2015-7560  (opens in a new tab)
CWE-284  (opens in a new tab)

How to fix?

Upgrade Alpine:3.4 samba to version 4.2.9-r0 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 Alpine. See How to fix? for Alpine:3.4 relevant fixed versions and status.

The SMB1 implementation in smbd in Samba 3.x and 4.x before 4.1.23, 4.2.x before 4.2.9, 4.3.x before 4.3.6, and 4.4.x before 4.4.0rc4 allows remote authenticated users to modify arbitrary ACLs by using a UNIX SMB1 call to create a symlink, and then using a non-UNIX SMB1 call to write to the ACL content.

CVSS Base Scores

version 3.1