Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
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
DescriptionThe 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.
MitigationUpdate the affected package freerdp to the latest version.
Vulnerable software versionsSUSE Manager Retail Branch Server: 4.3
SUSE Linux Enterprise Workstation Extension: 15-SP4
SUSE Linux Enterprise Module for Packagehub Subpackages: 15-SP4
SUSE Manager Server: 4.3
SUSE Manager Proxy: 4.3
SUSE Linux Enterprise Desktop: 15-SP4
SUSE Linux Enterprise Server: 15-SP4
openSUSE Leap: 15.4
SUSE Linux Enterprise Server for SAP Applications: 15-SP4
SUSE Linux Enterprise High Performance Computing: 15-SP4
winpr2-devel: before 2.4.0-150400.3.6.1
uwac0-0-devel: before 2.4.0-150400.3.6.1
libwinpr2-debuginfo: before 2.4.0-150400.3.6.1
libwinpr2: before 2.4.0-150400.3.6.1
libuwac0-0-debuginfo: before 2.4.0-150400.3.6.1
libuwac0-0: before 2.4.0-150400.3.6.1
libfreerdp2-debuginfo: before 2.4.0-150400.3.6.1
libfreerdp2: before 2.4.0-150400.3.6.1
freerdp-wayland-debuginfo: before 2.4.0-150400.3.6.1
freerdp-wayland: before 2.4.0-150400.3.6.1
freerdp-server-debuginfo: before 2.4.0-150400.3.6.1
freerdp-server: before 2.4.0-150400.3.6.1
freerdp-proxy-debuginfo: before 2.4.0-150400.3.6.1
freerdp-proxy: before 2.4.0-150400.3.6.1
freerdp-devel: before 2.4.0-150400.3.6.1
freerdp-debugsource: before 2.4.0-150400.3.6.1
freerdp-debuginfo: before 2.4.0-150400.3.6.1
freerdp: before 2.4.0-150400.3.6.1
CPE2.3http://www.suse.com/support/update/announcement/2022/suse-su-20222993-1/
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.
EUVDB-ID: #VU57584
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-2021-41160
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing connections with GDI or SurfaceCommands. 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.
MitigationUpdate the affected package freerdp to the latest version.
Vulnerable software versionsSUSE Manager Retail Branch Server: 4.3
SUSE Linux Enterprise Workstation Extension: 15-SP4
SUSE Linux Enterprise Module for Packagehub Subpackages: 15-SP4
SUSE Manager Server: 4.3
SUSE Manager Proxy: 4.3
SUSE Linux Enterprise Desktop: 15-SP4
SUSE Linux Enterprise Server: 15-SP4
openSUSE Leap: 15.4
SUSE Linux Enterprise Server for SAP Applications: 15-SP4
SUSE Linux Enterprise High Performance Computing: 15-SP4
winpr2-devel: before 2.4.0-150400.3.6.1
uwac0-0-devel: before 2.4.0-150400.3.6.1
libwinpr2-debuginfo: before 2.4.0-150400.3.6.1
libwinpr2: before 2.4.0-150400.3.6.1
libuwac0-0-debuginfo: before 2.4.0-150400.3.6.1
libuwac0-0: before 2.4.0-150400.3.6.1
libfreerdp2-debuginfo: before 2.4.0-150400.3.6.1
libfreerdp2: before 2.4.0-150400.3.6.1
freerdp-wayland-debuginfo: before 2.4.0-150400.3.6.1
freerdp-wayland: before 2.4.0-150400.3.6.1
freerdp-server-debuginfo: before 2.4.0-150400.3.6.1
freerdp-server: before 2.4.0-150400.3.6.1
freerdp-proxy-debuginfo: before 2.4.0-150400.3.6.1
freerdp-proxy: before 2.4.0-150400.3.6.1
freerdp-devel: before 2.4.0-150400.3.6.1
freerdp-debugsource: before 2.4.0-150400.3.6.1
freerdp-debuginfo: before 2.4.0-150400.3.6.1
freerdp: before 2.4.0-150400.3.6.1
CPE2.3http://www.suse.com/support/update/announcement/2022/suse-su-20222993-1/
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.