CVE-2021-33193 Affecting mod_md package, versions <1:2.0.8-8.module+el8.5.0+20475+4f6a8fd5


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.19% (57th percentile)

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  • Snyk IDSNYK-ORACLE8-MODMD-2832728
  • published14 Apr 2022
  • disclosed16 Aug 2021

Introduced: 16 Aug 2021

CVE-2021-33193  (opens in a new tab)

How to fix?

Upgrade Oracle:8 mod_md to version 1:2.0.8-8.module+el8.5.0+20475+4f6a8fd5 or higher.
This issue was patched in ELSA-2022-1915.

NVD Description

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

A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.48.

References

CVSS Scores

version 3.1