SUSE update for flatpak

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU59654

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-43860

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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.

Mitigation

Update the affected package flatpak to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Realtime Extension: 15-SP2

SUSE Linux Enterprise Server: 15-SP2-BCL - 15-SP3-LTSS

SUSE Linux Enterprise High Performance Computing: 15-SP2-ESPOS - 15-SP3-LTSS

SUSE Enterprise Storage: 7.1

SUSE Manager Server: 4.1 - 4.2

SUSE Manager Retail Branch Server: 4.1

SUSE Manager Proxy: 4.1 - 4.2

SUSE Linux Enterprise Server for SAP: 15-SP2

SUSE Linux Enterprise Desktop: 15-SP3

SUSE Linux Enterprise Server for SAP Applications: 15-SP3

SUSE Linux Enterprise Module for Desktop Applications: 15-SP3

typelib-1_0-Flatpak-1_0: before 1.10.7-4.12.1

system-user-flatpak: before 1.10.7-4.12.1

libflatpak0-debuginfo: before 1.10.7-4.12.1

libflatpak0: before 1.10.7-4.12.1

flatpak-zsh-completion: before 1.10.7-4.12.1

flatpak-devel: before 1.10.7-4.12.1

flatpak-debugsource: before 1.10.7-4.12.1

flatpak-debuginfo: before 1.10.7-4.12.1

flatpak: before 1.10.7-4.12.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20220712-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Path traversal

EUVDB-ID: #VU59689

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-21682

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

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.

Mitigation

Update the affected package flatpak to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Realtime Extension: 15-SP2

SUSE Linux Enterprise Server: 15-SP2-BCL - 15-SP3-LTSS

SUSE Linux Enterprise High Performance Computing: 15-SP2-ESPOS - 15-SP3-LTSS

SUSE Enterprise Storage: 7.1

SUSE Manager Server: 4.1 - 4.2

SUSE Manager Retail Branch Server: 4.1

SUSE Manager Proxy: 4.1 - 4.2

SUSE Linux Enterprise Server for SAP: 15-SP2

SUSE Linux Enterprise Desktop: 15-SP3

SUSE Linux Enterprise Server for SAP Applications: 15-SP3

SUSE Linux Enterprise Module for Desktop Applications: 15-SP3

typelib-1_0-Flatpak-1_0: before 1.10.7-4.12.1

system-user-flatpak: before 1.10.7-4.12.1

libflatpak0-debuginfo: before 1.10.7-4.12.1

libflatpak0: before 1.10.7-4.12.1

flatpak-zsh-completion: before 1.10.7-4.12.1

flatpak-devel: before 1.10.7-4.12.1

flatpak-debugsource: before 1.10.7-4.12.1

flatpak-debuginfo: before 1.10.7-4.12.1

flatpak: before 1.10.7-4.12.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20220712-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.