Numeric Errors Affecting openldap package, versions <0:2.4.23-34.el6_5.1


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
94% (100th percentile)

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  • Snyk IDSNYK-CENTOS6-OPENLDAP-2092027
  • published26 Jul 2021
  • disclosed11 Oct 2013

Introduced: 11 Oct 2013

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

How to fix?

Upgrade Centos:6 openldap to version 0:2.4.23-34.el6_5.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openldap package and not the openldap package as distributed by Centos. See How to fix? for Centos:6 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