SB2019050426 - Input validation error in flatpak (Alpine package)
Published: May 4, 2019 Updated: March 20, 2023
Security Bulletin ID
SB2019050426
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Security features bypass (CVE-ID: CVE-2019-10063)
CWE-ID: CWE-254 - Security Features
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
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.