SUSE SLES15 Security Update : cifs-utils (SUSE-SU-2021:1455-1)

medium Nessus Plugin ID 149224
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote SUSE host is missing one or more security updates.

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)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

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 :

SUSE Linux Enterprise Server for SAP 15 :

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2021-1455=1

SUSE Linux Enterprise Server 15-LTSS :

zypper in -t patch SUSE-SLE-Product-SLES-15-2021-1455=1

SUSE Linux Enterprise High Performance Computing 15-LTSS :

zypper in -t patch SUSE-SLE-Product-HPC-15-2021-1455=1

SUSE Linux Enterprise High Performance Computing 15-ESPOS :

zypper in -t patch SUSE-SLE-Product-HPC-15-2021-1455=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1152930

https://bugzilla.suse.com/show_bug.cgi?id=1174477

https://bugzilla.suse.com/show_bug.cgi?id=1183239

https://bugzilla.suse.com/show_bug.cgi?id=1184815

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

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

http://www.nessus.org/u?0bfb1f7f

Plugin Details

Severity: Medium

ID: 149224

File Name: suse_SU-2021-1455-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 5/3/2021

Updated: 5/5/2021

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2021-20208

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

Vector: AV:N/AC:M/Au:S/C:P/I:P/A:N

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:N

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:cifs-utils, p-cpe:/a:novell:suse_linux:cifs-utils-debuginfo, p-cpe:/a:novell:suse_linux:cifs-utils-debugsource, p-cpe:/a:novell:suse_linux:cifs-utils-devel, cpe:/o:novell:suse_linux:15

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 4/30/2021

Vulnerability Publication Date: 9/9/2020

Reference Information

CVE: CVE-2020-14342, CVE-2021-20208