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AUSCERT External Security Bulletin Redistribution
ESB-2020.2903
Security update for apache2
26 August 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: apache2
Publisher: SUSE
Operating System: SUSE
Impact/Access: Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-11993 CVE-2020-11984 CVE-2020-9490
Reference: ESB-2020.2806
ESB-2020.2735
Original Bulletin:
https://www.suse.com/support/update/announcement/2020/suse-su-20202311-1
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SUSE Security Update: Security update for apache2
______________________________________________________________________________
Announcement ID: SUSE-SU-2020:2311-1
Rating: moderate
References: #1174052 #1175070 #1175071 #1175074
Cross-References: CVE-2020-11984 CVE-2020-11993 CVE-2020-9490
Affected Products:
SUSE Linux Enterprise Module for Server Applications 15-SP2
SUSE Linux Enterprise Module for Basesystem 15-SP2
______________________________________________________________________________
An update that solves three vulnerabilities and has one errata is now
available.
Description:
This update for apache2 fixes the following issues:
o CVE-2020-9490: Fixed a crash caused by a specially crafted value for the
'Cache-Digest' header in a HTTP/2 request (bsc#1175071).
o CVE-2020-11984: Fixed an information disclosure bug in mod_proxy_uwsgi (bsc
#1175074).
o CVE-2020-11993: When trace/debug was enabled for the HTTP/2 module logging
statements were made on the wrong connection (bsc#1175070).
o Solve a crash in mod_proxy_uwsgi for empty values of environment variables.
(bsc#1174052)
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Module for Server Applications 15-SP2:
zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2020-2311=1
o SUSE Linux Enterprise Module for Basesystem 15-SP2:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2020-2311=1
Package List:
o SUSE Linux Enterprise Module for Server Applications 15-SP2 (aarch64
ppc64le s390x x86_64):
apache2-debuginfo-2.4.43-3.5.1
apache2-debugsource-2.4.43-3.5.1
apache2-devel-2.4.43-3.5.1
apache2-worker-2.4.43-3.5.1
apache2-worker-debuginfo-2.4.43-3.5.1
o SUSE Linux Enterprise Module for Server Applications 15-SP2 (noarch):
apache2-doc-2.4.43-3.5.1
o SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le s390x
x86_64):
apache2-2.4.43-3.5.1
apache2-debuginfo-2.4.43-3.5.1
apache2-debugsource-2.4.43-3.5.1
apache2-prefork-2.4.43-3.5.1
apache2-prefork-debuginfo-2.4.43-3.5.1
apache2-utils-2.4.43-3.5.1
apache2-utils-debuginfo-2.4.43-3.5.1
References:
o https://www.suse.com/security/cve/CVE-2020-11984.html
o https://www.suse.com/security/cve/CVE-2020-11993.html
o https://www.suse.com/security/cve/CVE-2020-9490.html
o https://bugzilla.suse.com/1174052
o https://bugzilla.suse.com/1175070
o https://bugzilla.suse.com/1175071
o https://bugzilla.suse.com/1175074
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