Resource Exhaustion Affecting apache2-prefork package, versions <2.4.33-3.9.7


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
20.07% (98th percentile)

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  • Snyk IDSNYK-SLES150-APACHE2PREFORK-2756194
  • published14 Apr 2022
  • disclosed27 Feb 2019

Introduced: 27 Feb 2019

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

How to fix?

Upgrade SLES:15.0 apache2-prefork to version 2.4.33-3.9.7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream apache2-prefork package and not the apache2-prefork package as distributed by SLES. See How to fix? for SLES:15.0 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