Numeric Errors Affecting openldap-clients package, versions <0:2.4.23-34.23.amzn1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
94% (100th percentile)

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  • Snyk IDSNYK-AMZN201803-OPENLDAPCLIENTS-1672198
  • published27 Sept 2021
  • disclosed5 Feb 2014

Introduced: 5 Feb 2014

CVE-2013-4449  (opens in a new tab)
CWE-189  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 openldap-clients to version 0:2.4.23-34.23.amzn1 or higher.
This issue was patched in ALAS-2014-294.

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.

The rwm overlay in OpenLDAP 2.4.23, 2.4.36, and earlier does not properly count references, which allows remote attackers to cause a denial of service (slapd crash) by unbinding immediately after a search request, which triggers rwm_conn_destroy to free the session context while it is being used by rwm_op_search.

CVSS Scores

version 3.1