SUSE update for freerdp

Published: 2022-08-27

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-41159 CVE-2021-41160
CWE-ID	CWE-787
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	SUSE Linux Enterprise Storage Operating systems & Components / Operating system SUSE Manager Retail Branch Server Operating systems & Components / Operating system SUSE Linux Enterprise Workstation Extension Operating systems & Components / Operating system SUSE Linux Enterprise Desktop Operating systems & Components / Operating system openSUSE Leap Operating systems & Components / Operating system SUSE Manager Server Operating systems & Components / Operating system SUSE Manager Proxy Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications Operating systems & Components / Operating system SUSE Linux Enterprise Server Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing Operating systems & Components / Operating system SUSE Linux Enterprise Module for Packagehub Subpackages Operating systems & Components / Operating system package or component winpr2-devel Operating systems & Components / Operating system package or component uwac0-0-devel Operating systems & Components / Operating system package or component libwinpr2-debuginfo Operating systems & Components / Operating system package or component libwinpr2 Operating systems & Components / Operating system package or component libuwac0-0-debuginfo Operating systems & Components / Operating system package or component libuwac0-0 Operating systems & Components / Operating system package or component libfreerdp2-debuginfo Operating systems & Components / Operating system package or component libfreerdp2 Operating systems & Components / Operating system package or component freerdp-wayland-debuginfo Operating systems & Components / Operating system package or component freerdp-wayland Operating systems & Components / Operating system package or component freerdp-server-debuginfo Operating systems & Components / Operating system package or component freerdp-server Operating systems & Components / Operating system package or component freerdp-proxy-debuginfo Operating systems & Components / Operating system package or component freerdp-proxy Operating systems & Components / Operating system package or component freerdp-devel Operating systems & Components / Operating system package or component freerdp-debugsource Operating systems & Components / Operating system package or component freerdp-debuginfo Operating systems & Components / Operating system package or component freerdp Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds write

EUVDB-ID: #VU57585

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-41159

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing /gt:rpc connections. A remote server can send specially crafted data to the client, trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Update the affected package freerdp to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Storage: 7.1

SUSE Manager Retail Branch Server: 4.2

SUSE Linux Enterprise Workstation Extension: 15-SP3

SUSE Linux Enterprise Desktop: 15-SP3

openSUSE Leap: 15.3

SUSE Manager Server: 4.2

SUSE Manager Proxy: 4.2

SUSE Linux Enterprise Server for SAP Applications: 15-SP3

SUSE Linux Enterprise Server: 15-SP3

SUSE Linux Enterprise High Performance Computing: 15-SP3

SUSE Linux Enterprise Module for Packagehub Subpackages: 15-SP3

winpr2-devel: before 2.1.2-150200.15.18.1

uwac0-0-devel: before 2.1.2-150200.15.18.1

libwinpr2-debuginfo: before 2.1.2-150200.15.18.1

libwinpr2: before 2.1.2-150200.15.18.1

libuwac0-0-debuginfo: before 2.1.2-150200.15.18.1

libuwac0-0: before 2.1.2-150200.15.18.1

libfreerdp2-debuginfo: before 2.1.2-150200.15.18.1

libfreerdp2: before 2.1.2-150200.15.18.1

freerdp-wayland-debuginfo: before 2.1.2-150200.15.18.1

freerdp-wayland: before 2.1.2-150200.15.18.1

freerdp-server-debuginfo: before 2.1.2-150200.15.18.1

freerdp-server: before 2.1.2-150200.15.18.1

freerdp-proxy-debuginfo: before 2.1.2-150200.15.18.1

freerdp-proxy: before 2.1.2-150200.15.18.1

freerdp-devel: before 2.1.2-150200.15.18.1

freerdp-debugsource: before 2.1.2-150200.15.18.1

freerdp-debuginfo: before 2.1.2-150200.15.18.1

freerdp: before 2.1.2-150200.15.18.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20222891-1/

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) Out-of-bounds write

EUVDB-ID: #VU57584