Reachable Assertion Affecting openldap-servers-sql package, versions <0:2.4.44-25.el7_9


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    2.79% (91st percentile)

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  • Snyk ID SNYK-RHEL7-OPENLDAPSERVERSSQL-1396037
  • published 26 Jul 2021
  • disclosed 2 Nov 2020

How to fix?

Upgrade RHEL:7 openldap-servers-sql to version 0:2.4.44-25.el7_9 or higher.
This issue was patched in RHSA-2022:0621.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openldap-servers-sql package and not the openldap-servers-sql package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

A flaw was found in OpenLDAP in versions before 2.4.56. This flaw allows an attacker who sends a malicious packet processed by OpenLDAP to force a failed assertion in csnNormalize23(). The highest threat from this vulnerability is to system availability.

CVSS Scores

version 3.1
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NVD

7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
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Red Hat

7.5 high
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SUSE

6.5 medium