Improper Input Validation Affecting samba-winbind-krb5-locator package, versions <0:4.10.16-18.59.amzn1


Severity

Recommended
critical

Based on Amazon Linux security rating.

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.09% (40th 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 Learn

Learn about Improper Input Validation vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-AMZN201803-SAMBAWINBINDKRB5LOCATOR-2407073
  • published19 Feb 2022
  • disclosed18 Feb 2022

Introduced: 18 Feb 2022

CVE-2020-25717  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 samba-winbind-krb5-locator to version 0:4.10.16-18.59.amzn1 or higher.
This issue was patched in ALAS-2022-1564.

NVD Description

Note: Versions mentioned in the description apply only to the upstream samba-winbind-krb5-locator package and not the samba-winbind-krb5-locator package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

A flaw was found in the way Samba maps domain users to local users. An authenticated attacker could use this flaw to cause possible privilege escalation.

CVSS Scores

version 3.1