Privilege escalation in flatpak
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-41133 |
| CWE-ID | CWE-264 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Flatpak Server applications / Frameworks for developing and running applications |
| Vendor | Flatpak |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Security restrictins bypass
EUVDB-ID: #VU57176
Risk: Low
CVSSv3.1: 6.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-41133
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to an error in the VFS-manipulating syscalls implementation. A local user can bypass sandbox restrictions and escalate privileges on the system.
Install updates from vendor's website.
Vulnerable software versionsFlatpak: 1.8.0 - 1.12.0
External linkshttp://github.com/flatpak/flatpak/releases/tag/1.12.1
http://github.com/flatpak/flatpak/security/advisories/GHSA-67h7-w3jq-vh4q
http://github.com/flatpak/flatpak/releases/tag/1.10.5
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
