NULL Pointer Dereference Affecting mod24_ssl package, versions <1:2.4.27-3.71.amzn1


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.82% (83rd percentile)

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  • Snyk IDSNYK-AMZN201803-MOD24SSL-1707234
  • published27 Sept 2021
  • disclosed20 Jun 2017

Introduced: 20 Jun 2017

CVE-2017-3169  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 mod24_ssl to version 1:2.4.27-3.71.amzn1 or higher.
This issue was patched in ALAS-2017-863.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mod24_ssl package and not the mod24_ssl package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, mod_ssl may dereference a NULL pointer when third-party modules call ap_hook_process_connection() during an HTTP request to an HTTPS port.

References