Reachable Assertion Affecting openldap-servers-sql package, versions <0:2.4.44-23.amzn2.0.3


Severity

Recommended
medium

Based on Amazon Linux security rating

    Threat Intelligence

    EPSS
    2.79% (91st percentile)

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  • Snyk ID SNYK-AMZN2-OPENLDAPSERVERSSQL-2442783
  • published 8 Apr 2022
  • disclosed 28 May 2021

How to fix?

Upgrade Amazon-Linux:2 openldap-servers-sql to version 0:2.4.44-23.amzn2.0.3 or higher.
This issue was patched in ALAS2-2022-1770.

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 Amazon-Linux. See How to fix? for Amazon-Linux:2 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