SB2020091520 - Incorrect default permissions in singularity (Alpine package)



SB2020091520 - Incorrect default permissions in singularity (Alpine package)

Published: September 15, 2020

Security Bulletin ID SB2020091520
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Incorrect default permissions (CVE-ID: CVE-2020-25039)

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

The vulnerability exists due to incorrect default permissions on temporary directories used in fakeroot or user namespace container execution. A local user with access to the system can view contents of files and directories or modify them.


Remediation

Install update from vendor's website.