SB2022011962 - Fedora 34 update for flatpak, flatpak-builder 

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2022011962

SB2022011962 - Fedora 34 update for flatpak, flatpak-builder

Published: January 19, 2022

Security Bulletin ID SB2022011962
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Path traversal (CVE-ID: CVE-2022-21682)

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when flatpak-builder applies "finish-args" last in the build. A remote authenticated attacker can send a specially crafted HTTP request and create arbitrary files on the system.


2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-43860)

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to application does not properly validate that the permissions displayed to the user for an app at install time match the actual permissions granted to the app at runtime, which leads to security restrictions bypass and privilege escalation.


Remediation

Install update from vendor's website.

References