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Integer Overflow or Wraparound Affecting openldap package, versions <0:2.4.40-16.36.amzn1

0.0
high

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 5.73% (94th percentile)
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NVD
7.5 high
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SUSE
7.5 high
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Red Hat
7.5 high

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  • Snyk ID SNYK-AMZN201803-OPENLDAP-5496676
  • published 4 May 2023
  • disclosed 26 Jan 2021
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Introduced: 26 Jan 2021

CVE-2020-36221 Open this link in a new tab
CWE-190 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2018.03 openldap 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 package and not the openldap package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service (schema_init.c serialNumberAndIssuerCheck).

References