SB2019050426 - Input validation error in flatpak (Alpine package)



SB2019050426 - Input validation error in flatpak (Alpine package)

Published: May 4, 2019 Updated: March 20, 2023

Security Bulletin ID SB2019050426
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Security features bypass (CVE-ID: CVE-2019-10063)

The vulnerability allows a malicious application to bypass implemented security restrictions.

The vulnerability exists due to improper input validation. If Flatpak runs from a terminal emulator containing an interactive shell, a malicious Flatpak app could inject input into the interactive shell by using the TIOCSTI ioctl.


Remediation

Install update from vendor's website.