SB2021043027 - SUSE update for cifs-utils

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Main Vulnerability Database SB2021043027

SB2021043027 - SUSE update for cifs-utils

Published: April 30, 2021

Security Bulletin ID SB2021043027
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) OS Command Injection (CVE-ID: CVE-2020-14342)

The vulnerability allows a local authenticated user to execute arbitrary code.

It was found that cifs-utils' mount.cifs was invoking a shell when requesting the Samba password, which could be used to inject arbitrary commands. An attacker able to invoke mount.cifs with special permission, such as via sudo rules, could use this flaw to escalate their privileges.


2) Improper Privilege Management (CVE-ID: CVE-2021-20208)

The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to improper privilege management in cifs-utils. A local user when mounting a krb5 CIFS file system from within a container can use Kerberos credentials of the host.


Remediation

Install update from vendor's website.

References