Resource Exhaustion Affecting httpd:2.4/httpd-manual package, versions <0:2.4.37-21.module+el8.2.0+5008+cca404a3


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
2.34% (90th percentile)

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  • Snyk IDSNYK-RHEL8-HTTPD-3825289
  • published26 Jul 2021
  • disclosed7 Aug 2020

Introduced: 7 Aug 2020

CVE-2020-9490  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade RHEL:8 httpd:2.4/httpd-manual to version 0:2.4.37-21.module+el8.2.0+5008+cca404a3 or higher.
This issue was patched in RHSA-2020:3714.

NVD Description

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

Apache HTTP Server versions 2.4.20 to 2.4.43. A specially crafted value for the 'Cache-Digest' header in a HTTP/2 request would result in a crash when the server actually tries to HTTP/2 PUSH a resource afterwards. Configuring the HTTP/2 feature via "H2Push off" will mitigate this vulnerability for unpatched servers.

References

CVSS Scores

version 3.1