Link Following Affecting ctdb package, versions <2:4.15.5-0.amzn2022


Severity

Recommended
critical

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.06% (27th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-AMZN2022-CTDB-2996078
  • published29 Aug 2022
  • disclosed21 Feb 2022

Introduced: 21 Feb 2022

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

How to fix?

Upgrade Amazon-Linux:2022 ctdb to version 2:4.15.5-0.amzn2022 or higher.
This issue was patched in ALAS2022-2022-022.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ctdb package and not the ctdb package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2022 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