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AUSCERT External Security Bulletin Redistribution
ESB-2021.1490
Security update for cifs-utils
3 May 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: cifs-utils
Publisher: SUSE
Operating System: SUSE
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Increased Privileges -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-20208 CVE-2020-14342
Reference: ESB-2021.1238
Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-20211455-1
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SUSE Security Update: Security update for cifs-utils
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:1455-1
Rating: important
References: #1152930 #1174477 #1183239 #1184815
Cross-References: CVE-2020-14342 CVE-2021-20208
Affected Products:
SUSE Linux Enterprise Server for SAP 15
SUSE Linux Enterprise Server 15-LTSS
SUSE Linux Enterprise High Performance Computing 15-LTSS
SUSE Linux Enterprise High Performance Computing 15-ESPOS
______________________________________________________________________________
An update that solves two vulnerabilities and has two fixes is now available.
Description:
This update for cifs-utils fixes the following security issues:
o CVE-2021-20208: Fixed a potential kerberos auth leak escaping from
container. (bsc#1183239)
o CVE-2020-14342: Fixed a shell command injection vulnerability in
mount.cifs. (bsc#1174477)
This update for cifs-utils fixes the following issues:
o Solve invalid directory mounting. When attempting to change the current
working directory into non-existing directories, mount.cifs crashes. (bsc#
1152930)
o Fixed a bug where it was no longer possible to mount CIFS filesystem after
the last maintenance update. (bsc#1184815)
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 for SAP 15:
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2021-1455=1
o SUSE Linux Enterprise Server 15-LTSS:
zypper in -t patch SUSE-SLE-Product-SLES-15-2021-1455=1
o SUSE Linux Enterprise High Performance Computing 15-LTSS:
zypper in -t patch SUSE-SLE-Product-HPC-15-2021-1455=1
o SUSE Linux Enterprise High Performance Computing 15-ESPOS:
zypper in -t patch SUSE-SLE-Product-HPC-15-2021-1455=1
Package List:
o SUSE Linux Enterprise Server for SAP 15 (ppc64le x86_64):
cifs-utils-6.9-3.14.1
cifs-utils-debuginfo-6.9-3.14.1
cifs-utils-debugsource-6.9-3.14.1
cifs-utils-devel-6.9-3.14.1
o SUSE Linux Enterprise Server 15-LTSS (aarch64 s390x):
cifs-utils-6.9-3.14.1
cifs-utils-debuginfo-6.9-3.14.1
cifs-utils-debugsource-6.9-3.14.1
cifs-utils-devel-6.9-3.14.1
o SUSE Linux Enterprise High Performance Computing 15-LTSS (aarch64 x86_64):
cifs-utils-6.9-3.14.1
cifs-utils-debuginfo-6.9-3.14.1
cifs-utils-debugsource-6.9-3.14.1
cifs-utils-devel-6.9-3.14.1
o SUSE Linux Enterprise High Performance Computing 15-ESPOS (aarch64 x86_64):
cifs-utils-6.9-3.14.1
cifs-utils-debuginfo-6.9-3.14.1
cifs-utils-debugsource-6.9-3.14.1
cifs-utils-devel-6.9-3.14.1
References:
o https://www.suse.com/security/cve/CVE-2020-14342.html
o https://www.suse.com/security/cve/CVE-2021-20208.html
o https://bugzilla.suse.com/1152930
o https://bugzilla.suse.com/1174477
o https://bugzilla.suse.com/1183239
o https://bugzilla.suse.com/1184815
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