SB2023040338 - Ubuntu update for amanda 



SB2023040338 - Ubuntu update for amanda

Published: April 3, 2023

Security Bulletin ID SB2023040338
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Exposure of Resource to Wrong Sphere (CVE-ID: CVE-2022-37703)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to the calcsize SUID binary can return information on any file on the filesystem. A local user can detect whether the file is present on the system.


2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-37704)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application is using a setuid binary /lib/amanda/rundump to process backup files. A local user can inject arbitrary arguments to the command and execute arbitrary commands as root.


3) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-37705)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application is using a setuid component runtar, which is a wrapper for /usr/bin/tar with specific arguments that are controllable by the attacker. A local user can execute arbitrary code with root privileges.


Remediation

Install update from vendor's website.