Link Following Affecting samba-devel package, versions <0:4.15.5-5.el8


Severity

Recommended
0.0
medium
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
1.09% (62nd percentile)

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  • Snyk IDSNYK-ALMALINUX8-SAMBADEVEL-5618370
  • published28 May 2023
  • disclosed10 May 2022

Introduced: 10 May 2022

CVE-2021-44141  (opens in a new tab)
CWE-59  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 samba-devel to version 0:4.15.5-5.el8 or higher.
This issue was patched in ALSA-2022:2074.

NVD Description

Note: Versions mentioned in the description apply only to the upstream samba-devel package and not the samba-devel package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

All versions of Samba prior to 4.15.5 are vulnerable to a malicious client using a server symlink to determine if a file or directory exists in an area of the server file system not exported under the share definition. SMB1 with unix extensions has to be enabled in order for this attack to succeed.

CVSS Base Scores

version 3.1