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SUSE: 2021:1455-1 Important: cifs-utils Auth Leak and Injection Issue

suse
Calendar Grey April 30, 2021
Scroller Suse
SUSE Security Bulletin for samba-client tackling critical flaws and delivering resolutions ready for installation.
An update that solves two vulnerabilities and has two fixes is now available

Summary

This update for cifs-utils fixes the following security issues: - CVE-2021-20208: Fixed a potential kerberos auth leak escaping from container. (bsc#1183239) - CVE-2020-14342: Fixed a shell command injection vulnerability in mount.cifs. (bsc#1174477) This update for cifs-utils fixes the following issues: - Solve invalid directory mounting. When attempting to change the current working directory into non-existing directories, mount.cifs crashes. (bsc#1152930) - 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:

Topics%20covered

Topics Covered

security advisory update important SUSE cifs-utils shell injection auth leak

References

#1152930 #1174477 #1183239 #1184815

Cross- CVE-2020-14342 CVE-2021-20208

CVSS scores:

CVE-2020-14342 (NVD) : 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2020-14342 (SUSE): 4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

CVE-2021-20208 (NVD) : 6.1 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:N

CVE-2021-20208 (SUSE): 6.1 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:N

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

https://www.suse.com/security/cve/CVE-2020-14342.html

https://www.suse.com/security/cve/CVE-2021-20208.html

https://bugzilla.suse.com/1152930

https://bugzilla.suse.com/1174477

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:1455-1
Rating: important

Topics%20covered

Topics Covered

security advisory update important SUSE cifs-utils shell injection auth leak

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