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AUSCERT External Security Bulletin Redistribution
ESB-2020.2571
Security update for rubygem-puma
29 July 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: rubygem-puma
Publisher: SUSE
Operating System: SUSE
Impact/Access: Cross-site Scripting -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Provide Misleading Information -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-11077 CVE-2020-11076 CVE-2020-5247
CVE-2019-16770
Reference: ESB-2020.1638
ESB-2020.0902
ESB-2020.0123
Original Bulletin:
https://www.suse.com/support/update/announcement/2020/suse-su-20202060-1
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SUSE Security Update: Security update for rubygem-puma
______________________________________________________________________________
Announcement ID: SUSE-SU-2020:2060-1
Rating: important
References: #1158675 #1165402 #1172175 #1172176
Cross-References: CVE-2019-16770 CVE-2020-11076 CVE-2020-11077 CVE-2020-5247
Affected Products:
SUSE OpenStack Cloud 6-LTSS
______________________________________________________________________________
An update that fixes four vulnerabilities is now available.
Description:
This update for rubygem-puma fixes the following issues:
o Add patches for disabling TLSv1.0 and TLSv1.1 (jsc#SLE-6965):
o Add CVE-2020-11077.patch (bsc#1172175, CVE-2020-11077)
o Add CVE-2020-11076.patch (bsc#1172176, CVE-2020-11076)
o Add CVE-2020-5247.patch (bsc#1165402) "Fixes a problem where we were not
splitting newlines in headers according to Rack spec" The patch is reduced
compared to the upstream version, which was patching also the parts that
are not implemented in our old Puma version. This applies to unit test as
well.
o Add CVE-2019-16770.patch (bsc#1158675, SOC-10999, CVE-2019-16770) This
patch fixes a DoS vulnerability a malicious client could use to block a
large amount of threads.
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 OpenStack Cloud 6-LTSS:
zypper in -t patch SUSE-OpenStack-Cloud-6-LTSS-2020-2060=1
Package List:
o SUSE OpenStack Cloud 6-LTSS (x86_64):
ruby2.1-rubygem-puma-2.16.0-4.3.1
ruby2.1-rubygem-puma-debuginfo-2.16.0-4.3.1
rubygem-puma-debugsource-2.16.0-4.3.1
References:
o https://www.suse.com/security/cve/CVE-2019-16770.html
o https://www.suse.com/security/cve/CVE-2020-11076.html
o https://www.suse.com/security/cve/CVE-2020-11077.html
o https://www.suse.com/security/cve/CVE-2020-5247.html
o https://bugzilla.suse.com/1158675
o https://bugzilla.suse.com/1165402
o https://bugzilla.suse.com/1172175
o https://bugzilla.suse.com/1172176
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