NULL Pointer Dereference Affecting jbcs-httpd24-httpd-selinux package, versions <0:2.4.51-28.el8jbcs


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
46.18% (99th percentile)

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  • Snyk IDSNYK-RHEL8-JBCSHTTPD24HTTPDSELINUX-5403446
  • published17 Aug 2021
  • disclosed5 Aug 2021

Introduced: 5 Aug 2021

CVE-2021-33193  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade RHEL:8 jbcs-httpd24-httpd-selinux to version 0:2.4.51-28.el8jbcs or higher.
This issue was patched in RHSA-2022:7143.

NVD Description

Note: Versions mentioned in the description apply only to the upstream jbcs-httpd24-httpd-selinux package and not the jbcs-httpd24-httpd-selinux package as distributed by RHEL. See How to fix? for RHEL: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 Base Scores

version 3.1