Resource Exhaustion Affecting openldap-clients package, versions <0:2.4.40-16.36.amzn1


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
2.78% (91st 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 Resource Exhaustion vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-AMZN201803-OPENLDAPCLIENTS-5496945
  • published4 May 2023
  • disclosed14 Feb 2021

Introduced: 14 Feb 2021

CVE-2021-27212  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 openldap-clients to version 0:2.4.40-16.36.amzn1 or higher.
This issue was patched in ALAS-2023-1741.

NVD Description

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

In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemon exit) via a short timestamp. This is related to schema_init.c and checkTime.

CVSS Scores

version 3.1