Division by zero in FreeRDP - CVE-2022-39318

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Main Vulnerability Database Vulnerabilities #VU69593

Division by zero in FreeRDP - CVE-2022-39318

Published: November 25, 2022


Vulnerability identifier: #VU69593
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-39318
CWE-ID: CWE-369
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to a division by zero error in urbdrc channel. A malicious server can pass specially crafted data to the application and crash it.


Affected software

FreeRDP
Gentoo Linux
Oracle Linux
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Enterprise Storage
Anolis OS
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat CodeReady Linux Builder for x86_64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for ARM 64
Red Hat CodeReady Linux Builder for IBM z Systems
SUSE Linux Enterprise Workstation Extension
SUSE Linux Enterprise Software Development Kit
SUSE Linux Enterprise Desktop
SUSE Linux Enterprise Server for SAP Applications
SUSE Linux Enterprise Server
Slackware Linux
SUSE Linux Enterprise High Performance Computing
openSUSE Leap
Ubuntu
openEuler
Fedora
SUSE Linux Enterprise Module for Packagehub Subpackages
freerdp
freerdp-debuginfo
freerdp-debugsource
freerdp-proxy
freerdp-server
libfreerdp2
libfreerdp2-debuginfo
winpr2-devel
freerdp-devel
libwinpr2-debuginfo
libwinpr2
libuwac0-0-debuginfo
libuwac0-0
freerdp-proxy-debuginfo
freerdp-server-debuginfo
freerdp-wayland
freerdp-wayland-debuginfo
uwac0-0-devel
libfreerdp-client2-2 (Ubuntu package)
libfreerdp-server2-2 (Ubuntu package)
freerdp (Red Hat package)
freerdp-libs
libwinpr
libwinpr-devel
freerdp-doc
freerdp-help
net-misc/freerdp

How to mitigate CVE-2022-39318

Install update from vendor's website.

FreeRDP - update to 2.9.0
freerdp - addressed in versions 2.1.2-12.32.1, 2.1.2-150200.15.24.1, 2.4.0-150400.3.12.1
freerdp-debuginfo - addressed in versions 2.1.2-12.32.1, 2.1.2-150200.15.24.1, 2.4.0-150400.3.12.1
freerdp-debugsource - addressed in versions 2.1.2-12.32.1, 2.1.2-150200.15.24.1, 2.4.0-150400.3.12.1
freerdp-proxy - addressed in versions 2.1.2-12.32.1, 2.1.2-150200.15.24.1, 2.4.0-150400.3.12.1
freerdp-server - addressed in versions 2.1.2-12.32.1, 2.1.2-150200.15.24.1, 2.4.0-150400.3.12.1
libfreerdp2 - addressed in versions 2.1.2-12.32.1, 2.1.2-150200.15.24.1, 2.4.0-150400.3.12.1
libfreerdp2-debuginfo - addressed in versions 2.1.2-12.32.1, 2.1.2-150200.15.24.1, 2.4.0-150400.3.12.1
winpr2-devel - addressed in versions 2.1.2-12.32.1, 2.1.2-150200.15.24.1, 2.4.0-150400.3.12.1
freerdp-devel - addressed in versions 2.1.2-12.32.1, 2.1.2-150200.15.24.1, 2.4.0-150400.3.12.1
libwinpr2-debuginfo - addressed in versions 2.1.2-12.32.1, 2.1.2-150200.15.24.1, 2.4.0-150400.3.12.1
libwinpr2 - addressed in versions 2.1.2-12.32.1, 2.1.2-150200.15.24.1, 2.4.0-150400.3.12.1
libuwac0-0-debuginfo - addressed in versions 2.1.2-150200.15.24.1, 2.4.0-150400.3.12.1
libuwac0-0 - addressed in versions 2.1.2-150200.15.24.1, 2.4.0-150400.3.12.1
freerdp-proxy-debuginfo - addressed in versions 2.1.2-150200.15.24.1, 2.4.0-150400.3.12.1
freerdp-server-debuginfo - addressed in versions 2.1.2-150200.15.24.1, 2.4.0-150400.3.12.1
freerdp-wayland - addressed in versions 2.1.2-150200.15.24.1, 2.4.0-150400.3.12.1
freerdp-wayland-debuginfo - addressed in versions 2.1.2-150200.15.24.1, 2.4.0-150400.3.12.1
uwac0-0-devel - addressed in versions 2.1.2-150200.15.24.1, 2.4.0-150400.3.12.1
libfreerdp-client2-2 (Ubuntu package) - addressed in versions 2.2.0+dfsg1-0ubuntu0.18.04.4, 2.2.0+dfsg1-0ubuntu0.20.04.4, 2.6.1+dfsg1-3ubuntu2.3, 2.8.1+dfsg1-0ubuntu1.1
libfreerdp-server2-2 (Ubuntu package) - addressed in versions 2.2.0+dfsg1-0ubuntu0.18.04.4, 2.2.0+dfsg1-0ubuntu0.20.04.4, 2.6.1+dfsg1-3ubuntu2.3, 2.8.1+dfsg1-0ubuntu1.1
freerdp (Red Hat package) - addressed in versions 2.2.0-10.el8, 2.4.1-5.el9
freerdp - update to 2.2.0-10.0.1
freerdp-devel - update to 2.2.0-10.0.1
freerdp-libs - update to 2.2.0-10.0.1
libwinpr - update to 2.2.0-10.0.1
libwinpr-devel - update to 2.2.0-10.0.1
freerdp-doc - update to 2.2.0-10.0.1
freerdp-debuginfo - update to 2.8.1-2
libwinpr-devel - update to 2.8.1-2
freerdp-devel - update to 2.8.1-2
freerdp-debugsource - update to 2.8.1-2
libwinpr - update to 2.8.1-2
freerdp-help - update to 2.8.1-2
freerdp - update to 2.8.1-2
freerdp - update to 2.9.0
freerdp - addressed in versions 2.9.0-1.fc35, 2.9.0-1.fc36, 2.9.0-1.fc37
net-misc/freerdp - update to 2.11.0

External References

Related Security Bulletins