A cifs-utils security update has been released for openSUSE Leap 15.2.

openSUSE-SU-2021:0639-1: important: Security update for cifs-utils

openSUSE Security Update: Security update for cifs-utils
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Announcement ID: openSUSE-SU-2021:0639-1
Rating: important
References: #1152930 #1174477 #1183239 #1184815
Cross-References: 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:
openSUSE Leap 15.2
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An update that solves two vulnerabilities and has two fixes
is now available.

Description:

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)

This update was imported from the SUSE:SLE-15:Update update project.

Patch Instructions:

To install this openSUSE 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:

- openSUSE Leap 15.2:

zypper in -t patch openSUSE-2021-639=1


Package List:

- openSUSE Leap 15.2 (i586 x86_64):

cifs-utils-6.9-lp152.2.3.1
cifs-utils-debuginfo-6.9-lp152.2.3.1
cifs-utils-debugsource-6.9-lp152.2.3.1
cifs-utils-devel-6.9-lp152.2.3.1
pam_cifscreds-6.9-lp152.2.3.1
pam_cifscreds-debuginfo-6.9-lp152.2.3.1

References:

  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
  https://bugzilla.suse.com/1183239
  https://bugzilla.suse.com/1184815