Resource Exhaustion Affecting httpd:2.4/mod_md package, versions <1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa


Severity

Recommended
0.0
medium
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
20.07% (98th percentile)

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  • Snyk IDSNYK-ALMALINUX8-HTTPD-5626196
  • published28 May 2023
  • disclosed3 Nov 2020

Introduced: 3 Nov 2020

CVE-2018-17189  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 httpd:2.4/mod_md to version 1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa or higher.
This issue was patched in ALSA-2020:4751.

NVD Description

Note: Versions mentioned in the description apply only to the upstream httpd:2.4/mod_md package and not the httpd:2.4/mod_md package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

In Apache HTTP server versions 2.4.37 and prior, by sending request bodies in a slow loris way to plain resources, the h2 stream for that request unnecessarily occupied a server thread cleaning up that incoming data. This affects only HTTP/2 (mod_http2) connections.

References

CVSS Base Scores

version 3.1