Double Free Affecting 389-ds-base-devel package, versions <0:1.3.10.2-16.69.amzn1


Severity

Recommended
low

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
2.01% (79th percentile)

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  • Snyk IDSNYK-AMZN201803-389DSBASEDEVEL-2989639
  • published24 Aug 2022
  • disclosed18 Feb 2022

Introduced: 18 Feb 2022

CVE-2021-4091  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 389-ds-base-devel to version 0:1.3.10.2-16.69.amzn1 or higher.
This issue was patched in ALAS-2022-1629.

NVD Description

Note: Versions mentioned in the description apply only to the upstream 389-ds-base-devel package and not the 389-ds-base-devel package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

A double-free was found in the way 389-ds-base handles virtual attributes context in persistent searches. An attacker could send a series of search requests, forcing the server to behave unexpectedly, and crash.

CVSS Base Scores

version 3.1