Out-of-bounds write in FreeRDP - CVE-2021-41160

Vulnerability identifier: #VU57584

CSH Severity: High

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-41160

CWE-ID: CWE-787

Exploitation vector: Remote access

Exploit availability: No public exploit available

The 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.

FreeRDP
Arch Linux
Gentoo Linux
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
Red Hat Enterprise Linux Workstation
CentOS
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Desktop
SUSE Linux Enterprise Storage
Anolis OS
Red Hat CodeReady Linux Builder for IBM z Systems
Red Hat CodeReady Linux Builder for ARM 64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat CodeReady Linux Builder for x86_64
Red Hat Enterprise Linux for x86_64
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux Server - TUS
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux Server - AUS
SUSE Linux Enterprise Desktop
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP Applications
SUSE Linux Enterprise Software Development Kit
SUSE Linux Enterprise Workstation Extension
SUSE Linux Enterprise High Performance Computing
openSUSE Leap
Ubuntu
openEuler
Fedora
freerdp (Red Hat package)
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
SUSE Linux Enterprise Module for Packagehub Subpackages
gnome-remote-desktop
guacamole-server
remmina
pidgin-sipe
freerdp
freerdp-libs
libwinpr
libwinpr-devel
freerdp-devel
winpr2-devel
freerdp-debuginfo
freerdp-debugsource
freerdp-proxy
freerdp-server
libfreerdp2
libfreerdp2-debuginfo
libwinpr2
libwinpr2-debuginfo
uwac0-0-devel
libuwac0-0-debuginfo
freerdp-proxy-debuginfo
freerdp-server-debuginfo
freerdp-wayland
freerdp-wayland-debuginfo
libuwac0-0
libfreerdp-client2-2 (Ubuntu package)
medusa
freerdp-help
net-misc/freerdp
vinagre
gnome-boxes
weston
hydra
gnome-connections

Install updates from vendor's website.

FreeRDP - update to 2.4.1
freerdp (Red Hat package) - addressed in versions 2.0.0-46.rc4.el8_1.5, 2.0.0-46.rc4.el8_2.5, 2.1.1-5.el7_9, 2.2.0-6.el8_4, 2.2.0-7.el8_5
gnome-remote-desktop - addressed in versions 0.1.9-3.fc33, 40.2-2.fc34
guacamole-server - addressed in versions 1.3.0-9.fc33, 1.3.0-9.fc34, 1.3.0-9.fc35
remmina - addressed in versions 1.4.21-1.fc33, 1.4.21-1.fc34, 1.4.21-1.fc35
pidgin-sipe - addressed in versions 1.25.0-7.fc33, 1.25.0-11.fc34
freerdp - update to 2
freerdp - addressed in versions 2.0.0-46.rc4, 2.2.0-6, 2.2.0-7
freerdp-libs - addressed in versions 2.0.0-46.rc4, 2.2.0-6, 2.2.0-7
libwinpr - addressed in versions 2.0.0-46.rc4, 2.2.0-6, 2.2.0-7
libwinpr-devel - addressed in versions 2.0.0-46.rc4, 2.2.0-6, 2.2.0-7
freerdp-devel - addressed in versions 2.1.2-12.26.1, 2.1.2-150200.15.18.1, 2.4.0-150400.3.6.1
winpr2-devel - addressed in versions 2.1.2-12.26.1, 2.1.2-150200.15.18.1, 2.4.0-150400.3.6.1
freerdp - addressed in versions 2.1.2-12.26.1, 2.1.2-150200.15.18.1, 2.4.0-150400.3.6.1
freerdp-debuginfo - addressed in versions 2.1.2-12.26.1, 2.1.2-150200.15.18.1, 2.4.0-150400.3.6.1
freerdp-debugsource - addressed in versions 2.1.2-12.26.1, 2.1.2-150200.15.18.1, 2.4.0-150400.3.6.1
freerdp-proxy - addressed in versions 2.1.2-12.26.1, 2.1.2-150200.15.18.1, 2.4.0-150400.3.6.1
freerdp-server - addressed in versions 2.1.2-12.26.1, 2.1.2-150200.15.18.1, 2.4.0-150400.3.6.1
libfreerdp2 - addressed in versions 2.1.2-12.26.1, 2.1.2-150200.15.18.1, 2.4.0-150400.3.6.1
libfreerdp2-debuginfo - addressed in versions 2.1.2-12.26.1, 2.1.2-150200.15.18.1, 2.4.0-150400.3.6.1
libwinpr2 - addressed in versions 2.1.2-12.26.1, 2.1.2-150200.15.18.1, 2.4.0-150400.3.6.1
libwinpr2-debuginfo - addressed in versions 2.1.2-12.26.1, 2.1.2-150200.15.18.1, 2.4.0-150400.3.6.1
uwac0-0-devel - addressed in versions 2.1.2-150200.15.18.1, 2.4.0-150400.3.6.1
libuwac0-0-debuginfo - addressed in versions 2.1.2-150200.15.18.1, 2.4.0-150400.3.6.1
freerdp-proxy-debuginfo - addressed in versions 2.1.2-150200.15.18.1, 2.4.0-150400.3.6.1
freerdp-server-debuginfo - addressed in versions 2.1.2-150200.15.18.1, 2.4.0-150400.3.6.1
freerdp-wayland - addressed in versions 2.1.2-150200.15.18.1, 2.4.0-150400.3.6.1
freerdp-wayland-debuginfo - addressed in versions 2.1.2-150200.15.18.1, 2.4.0-150400.3.6.1
libuwac0-0 - addressed in versions 2.1.2-150200.15.18.1, 2.4.0-150400.3.6.1
libfreerdp-client2-2 (Ubuntu package) - addressed in versions 2.2.0+dfsg1-0ubuntu0.18.04.2, 2.2.0+dfsg1-0ubuntu0.20.04.2, 2.3.0+dfsg1-1ubuntu0.1, 2.3.0+dfsg1-2ubuntu0.1
medusa - addressed in versions 2.2-14.20181216git292193b.fc33, 2.2-17.20181216git292193b.fc34
freerdp - update to 2.4.1-1
freerdp-debuginfo - update to 2.4.1-1
freerdp-help - update to 2.4.1-1
libwinpr - update to 2.4.1-1
libwinpr-devel - update to 2.4.1-1
freerdp-debugsource - update to 2.4.1-1
freerdp-devel - update to 2.4.1-1
freerdp - addressed in versions 2.4.1-1.fc33, 2.4.1-1.fc34, 2.4.1-1.fc35
net-misc/freerdp - update to 2.8.1
vinagre - addressed in versions 3.22.0-21.fc33, 3.22.0-23.fc34
gnome-boxes - addressed in versions 3.38.2-3.fc33, 40.3-2.fc34
weston - addressed in versions 8.0.0-7.fc33, 8.0.0-9.fc34
hydra - addressed in versions 9.2-3.fc33, 9.2-3.fc34
gnome-connections - update to 40.0.1-4.fc34

• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-7c9r-6r2q-93qg

• Multiple vulnerabilities in FreeRDP
• Red Hat Enterprise Linux 7 update for freerdp
• Red Hat Enterprise Linux 8.4 update for freerdp
• Red Hat Enterprise Linux 8 update for freerdp
• Red Hat Enterprise Linux 8.2 update for freerdp
• Red Hat Enterprise Linux 8.1 update for freerdp
• CentOS 7 update for freerdp
• Ubuntu update for freerdp2
• SUSE update for freerdp
• SUSE update for freerdp
• SUSE update for freerdp
• Gentoo update for FreeRDP
• Arch Linux update for freerdp
• openEuler update for freerdp
• Fedora 35 update for freerdp, guacamole-server, remmina
• Fedora 33 update for freerdp, gnome-boxes, gnome-remote-desktop, guacamole-server, hydra, medusa, pidgin-sipe, remmina, vinagre, weston
• Fedora 34 update for freerdp, gnome-boxes, gnome-connections, gnome-remote-desktop, guacamole-server, hydra, medusa, pidgin-sipe, remmina, vinagre, weston
• Anolis OS update for freerdp (Anolis OS 8.2)
• Anolis OS update for freerdp (Anolis OS 8.5)
• Anolis OS update for freerdp (Anolis OS 8.4)