Use After Free Affecting httpd24 package, versions <0:2.4.39-1.87.amzn1


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

Exploit Maturity
Attacked
EPSS
65.01% (100th percentile)

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  • Snyk IDSNYK-AMZN201803-HTTPD24-1717419
  • published27 Sept 2021
  • disclosed8 Apr 2019

Introduced: 8 Apr 2019

CVE-2019-0211  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 httpd24 to version 0:2.4.39-1.87.amzn1 or higher.
This issue was patched in ALAS-2019-1189.

NVD Description

Note: Versions mentioned in the description apply only to the upstream httpd24 package and not the httpd24 package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

In Apache HTTP Server 2.4 releases 2.4.17 to 2.4.38, with MPM event, worker or prefork, code executing in less-privileged child processes or threads (including scripts executed by an in-process scripting interpreter) could execute arbitrary code with the privileges of the parent process (usually root) by manipulating the scoreboard. Non-Unix systems are not affected.

References

CVSS Base Scores

version 3.1