RHSA-2019:2893: Important: httpd:2.4 security update

Published Sep 24, 2019
·
Updated

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.Security Fix(es): HTTP/2: request for large response leads to denial of service (CVE-2019-9517) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected Software

26 affected componentsFixes available
redhat/httpd<2.4.37-12.module+el8.0.0+4096+eb40e6da
2.4.37-12.module+el8.0.0+4096+eb40e6da
redhat/httpd-filesystem<2.4.37-12.module+el8.0.0+4096+eb40e6da
2.4.37-12.module+el8.0.0+4096+eb40e6da
redhat/httpd-manual<2.4.37-12.module+el8.0.0+4096+eb40e6da
2.4.37-12.module+el8.0.0+4096+eb40e6da
redhat/httpd<2.4.37-12.module+el8.0.0+4096+eb40e6da
2.4.37-12.module+el8.0.0+4096+eb40e6da
redhat/httpd-debuginfo<2.4.37-12.module+el8.0.0+4096+eb40e6da
2.4.37-12.module+el8.0.0+4096+eb40e6da
redhat/httpd-debugsource<2.4.37-12.module+el8.0.0+4096+eb40e6da
2.4.37-12.module+el8.0.0+4096+eb40e6da
redhat/httpd-devel<2.4.37-12.module+el8.0.0+4096+eb40e6da
2.4.37-12.module+el8.0.0+4096+eb40e6da
redhat/httpd-tools<2.4.37-12.module+el8.0.0+4096+eb40e6da
2.4.37-12.module+el8.0.0+4096+eb40e6da
redhat/httpd-tools-debuginfo<2.4.37-12.module+el8.0.0+4096+eb40e6da
2.4.37-12.module+el8.0.0+4096+eb40e6da
redhat/httpd-debuginfo<2.4.37-12.module+el8.0.0+4096+eb40e6da
2.4.37-12.module+el8.0.0+4096+eb40e6da
redhat/httpd-debugsource<2.4.37-12.module+el8.0.0+4096+eb40e6da
2.4.37-12.module+el8.0.0+4096+eb40e6da
redhat/httpd-devel<2.4.37-12.module+el8.0.0+4096+eb40e6da
2.4.37-12.module+el8.0.0+4096+eb40e6da
redhat/httpd-tools<2.4.37-12.module+el8.0.0+4096+eb40e6da
2.4.37-12.module+el8.0.0+4096+eb40e6da
redhat/httpd-tools-debuginfo<2.4.37-12.module+el8.0.0+4096+eb40e6da
2.4.37-12.module+el8.0.0+4096+eb40e6da
redhat/httpd<2.4.37-12.module+el8.0.0+4096+eb40e6da
2.4.37-12.module+el8.0.0+4096+eb40e6da
redhat/httpd-debuginfo<2.4.37-12.module+el8.0.0+4096+eb40e6da
2.4.37-12.module+el8.0.0+4096+eb40e6da
redhat/httpd-debugsource<2.4.37-12.module+el8.0.0+4096+eb40e6da
2.4.37-12.module+el8.0.0+4096+eb40e6da
redhat/httpd-devel<2.4.37-12.module+el8.0.0+4096+eb40e6da
2.4.37-12.module+el8.0.0+4096+eb40e6da
redhat/httpd-tools<2.4.37-12.module+el8.0.0+4096+eb40e6da
2.4.37-12.module+el8.0.0+4096+eb40e6da
redhat/httpd-tools-debuginfo<2.4.37-12.module+el8.0.0+4096+eb40e6da
2.4.37-12.module+el8.0.0+4096+eb40e6da
redhat/httpd<2.4.37-12.module+el8.0.0+4096+eb40e6da.aa
2.4.37-12.module+el8.0.0+4096+eb40e6da.aa
redhat/httpd-debuginfo<2.4.37-12.module+el8.0.0+4096+eb40e6da.aa
2.4.37-12.module+el8.0.0+4096+eb40e6da.aa
redhat/httpd-debugsource<2.4.37-12.module+el8.0.0+4096+eb40e6da.aa
2.4.37-12.module+el8.0.0+4096+eb40e6da.aa
redhat/httpd-devel<2.4.37-12.module+el8.0.0+4096+eb40e6da.aa
2.4.37-12.module+el8.0.0+4096+eb40e6da.aa
redhat/httpd-tools<2.4.37-12.module+el8.0.0+4096+eb40e6da.aa
2.4.37-12.module+el8.0.0+4096+eb40e6da.aa
redhat/httpd-tools-debuginfo<2.4.37-12.module+el8.0.0+4096+eb40e6da.aa
2.4.37-12.module+el8.0.0+4096+eb40e6da.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/httpd to a version that resolves this vulnerability.

    Fixed in 2.4.37-12.module+el8.0.0+4096+eb40e6da
  2. Upgrade

    Upgrade redhat/httpd-filesystem to a version that resolves this vulnerability.

    Fixed in 2.4.37-12.module+el8.0.0+4096+eb40e6da
  3. Upgrade

    Upgrade redhat/httpd-manual to a version that resolves this vulnerability.

    Fixed in 2.4.37-12.module+el8.0.0+4096+eb40e6da
  4. Upgrade

    Upgrade redhat/httpd-debuginfo to a version that resolves this vulnerability.

    Fixed in 2.4.37-12.module+el8.0.0+4096+eb40e6da
  5. Upgrade

    Upgrade redhat/httpd-debugsource to a version that resolves this vulnerability.

    Fixed in 2.4.37-12.module+el8.0.0+4096+eb40e6da
  6. Upgrade

    Upgrade redhat/httpd-devel to a version that resolves this vulnerability.

    Fixed in 2.4.37-12.module+el8.0.0+4096+eb40e6da
  7. Upgrade

    Upgrade redhat/httpd-tools to a version that resolves this vulnerability.

    Fixed in 2.4.37-12.module+el8.0.0+4096+eb40e6da
  8. Upgrade

    Upgrade redhat/httpd-tools-debuginfo to a version that resolves this vulnerability.

    Fixed in 2.4.37-12.module+el8.0.0+4096+eb40e6da
  9. Upgrade

    Upgrade redhat/httpd to a version that resolves this vulnerability.

    Fixed in 2.4.37-12.module+el8.0.0+4096+eb40e6da.aa
  10. Upgrade

    Upgrade redhat/httpd-debuginfo to a version that resolves this vulnerability.

    Fixed in 2.4.37-12.module+el8.0.0+4096+eb40e6da.aa
  11. Upgrade

    Upgrade redhat/httpd-debugsource to a version that resolves this vulnerability.

    Fixed in 2.4.37-12.module+el8.0.0+4096+eb40e6da.aa
  12. Upgrade

    Upgrade redhat/httpd-devel to a version that resolves this vulnerability.

    Fixed in 2.4.37-12.module+el8.0.0+4096+eb40e6da.aa
  13. Upgrade

    Upgrade redhat/httpd-tools to a version that resolves this vulnerability.

    Fixed in 2.4.37-12.module+el8.0.0+4096+eb40e6da.aa
  14. Upgrade

    Upgrade redhat/httpd-tools-debuginfo to a version that resolves this vulnerability.

    Fixed in 2.4.37-12.module+el8.0.0+4096+eb40e6da.aa

Event History

Jan 31, 2024
Advisory Published
via Red Hat·10:29 PM

Frequently Asked Questions

1

What is the severity of RHSA-2019:2893?

The severity of RHSA-2019:2893 is classified as important due to the potential for denial of service.

2

How do I fix RHSA-2019:2893?

To fix RHSA-2019:2893, update the httpd package to version 2.4.37-12.module+el8.0.0+4096+eb40e6da or later.

3

What vulnerabilities does RHSA-2019:2893 address?

RHSA-2019:2893 addresses a vulnerability in HTTP/2 that allows for a denial of service when handling large responses.

4

What versions of httpd are affected by RHSA-2019:2893?

Versions of httpd prior to 2.4.37-12.module+el8.0.0+4096+eb40e6da are affected by RHSA-2019:2893.

5

What is the impact of the vulnerability in RHSA-2019:2893?

The impact of the vulnerability in RHSA-2019:2893 can lead to a denial of service, making the Apache HTTP Server unresponsive.

Company

Resources

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