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AUSCERT External Security Bulletin Redistribution
ESB-2021.2188
Security update for libgcrypt
21 June 2021
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AusCERT Security Bulletin Summary
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Product: libgcrypt
Publisher: SUSE
Operating System: SUSE
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Access Confidential Data — Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-33560
Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-202114751-1
Comment: This advisory references vulnerabilities in products which run on
platforms other than SUSE. It is recommended that administrators
running libgcrypt check for an updated version of the software for
their operating system.
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SUSE Security Update: Security update for libgcrypt
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:14751-1
Rating: important
References: #1187212
Cross-References: CVE-2021-33560
Affected Products:
SUSE Linux Enterprise Server 11-SP4-LTSS
SUSE Linux Enterprise Point of Sale 11-SP3
SUSE Linux Enterprise Debuginfo 11-SP4
SUSE Linux Enterprise Debuginfo 11-SP3
______________________________________________________________________________
An update that fixes one vulnerability is now available.
Description:
This update for libgcrypt fixes the following issues:
o CVE-2021-33560: Fixed a side-channel against ElGamal encryption, caused by
missing exponent blinding (bsc#1187212).
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 Server 11-SP4-LTSS:
zypper in -t patch slessp4-libgcrypt-14751=1
o SUSE Linux Enterprise Point of Sale 11-SP3:
zypper in -t patch sleposp3-libgcrypt-14751=1
o SUSE Linux Enterprise Debuginfo 11-SP4:
zypper in -t patch dbgsp4-libgcrypt-14751=1
o SUSE Linux Enterprise Debuginfo 11-SP3:
zypper in -t patch dbgsp3-libgcrypt-14751=1
Package List:
o SUSE Linux Enterprise Server 11-SP4-LTSS (i586 ppc64 s390x x86_64):
libgcrypt11-1.5.0-0.26.6.1
o SUSE Linux Enterprise Server 11-SP4-LTSS (ppc64 s390x x86_64):
libgcrypt11-32bit-1.5.0-0.26.6.1
o SUSE Linux Enterprise Point of Sale 11-SP3 (i586):
libgcrypt11-1.5.0-0.26.6.1
o SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ppc64 s390x x86_64):
libgcrypt-debuginfo-1.5.0-0.26.6.1
libgcrypt-debugsource-1.5.0-0.26.6.1
o SUSE Linux Enterprise Debuginfo 11-SP3 (i586 s390x x86_64):
libgcrypt-debuginfo-1.5.0-0.26.6.1
libgcrypt-debugsource-1.5.0-0.26.6.1
References:
o https://www.suse.com/security/cve/CVE-2021-33560.html
o https://bugzilla.suse.com/1187212
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You have received this e-mail bulletin as a result of your organisation’s
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT’s members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation’s
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author’s website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
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