Security update for apache2

Announcement ID: SUSE-SU-2020:2311-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2020-11984 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-11984 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-11993 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-11993 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-9490 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-9490 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • Basesystem Module 15-SP2
  • Server Applications Module 15-SP2
  • SUSE Linux Enterprise Desktop 15 SP2
  • SUSE Linux Enterprise High Performance Computing 15 SP2
  • SUSE Linux Enterprise Real Time 15 SP2
  • SUSE Linux Enterprise Server 15 SP2
  • SUSE Linux Enterprise Server 15 SP2 Business Critical Linux 15-SP2
  • SUSE Linux Enterprise Server for SAP Applications 15 SP2
  • SUSE Manager Proxy 4.1
  • SUSE Manager Retail Branch Server 4.1
  • SUSE Manager Server 4.1

An update that solves three vulnerabilities and has one security fix can now be installed.

Description:

This update for apache2 fixes the following issues:

  • CVE-2020-9490: Fixed a crash caused by a specially crafted value for the 'Cache-Digest' header in a HTTP/2 request (bsc#1175071).
  • CVE-2020-11984: Fixed an information disclosure bug in mod_proxy_uwsgi (bsc#1175074).
  • CVE-2020-11993: When trace/debug was enabled for the HTTP/2 module logging statements were made on the wrong connection (bsc#1175070).

  • Solve a crash in mod_proxy_uwsgi for empty values of environment variables. (bsc#1174052)

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • Basesystem Module 15-SP2
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2020-2311=1
  • Server Applications Module 15-SP2
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2020-2311=1

Package List:

  • Basesystem Module 15-SP2 (aarch64 ppc64le s390x x86_64)
    • apache2-prefork-debuginfo-2.4.43-3.5.1
    • apache2-debugsource-2.4.43-3.5.1
    • apache2-debuginfo-2.4.43-3.5.1
    • apache2-2.4.43-3.5.1
    • apache2-prefork-2.4.43-3.5.1
    • apache2-utils-2.4.43-3.5.1
    • apache2-utils-debuginfo-2.4.43-3.5.1
  • Server Applications Module 15-SP2 (aarch64 ppc64le s390x x86_64)
    • apache2-devel-2.4.43-3.5.1
    • apache2-debugsource-2.4.43-3.5.1
    • apache2-debuginfo-2.4.43-3.5.1
    • apache2-worker-debuginfo-2.4.43-3.5.1
    • apache2-worker-2.4.43-3.5.1
  • Server Applications Module 15-SP2 (noarch)
    • apache2-doc-2.4.43-3.5.1

References: