Information disclosure in FreeRDP - CVE-2022-39282

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Main Vulnerability Database Vulnerabilities #VU68264

Information disclosure in FreeRDP - CVE-2022-39282

Published: October 12, 2022


Vulnerability identifier: #VU68264
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-39282
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to exposure of uninitialized data in FreeRDP client on unix systems using /parallel command line switch. The application can read uninitialized data and send it to the RDP server it is connected to.


Affected software

FreeRDP
Gentoo Linux
Oracle Linux
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Enterprise Storage
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 Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat CodeReady Linux Builder for IBM z Systems
Anolis OS
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
SUSE Linux Enterprise Module for Packagehub Subpackages
winpr2-devel
freerdp-devel
libwinpr2-debuginfo
libwinpr2
libfreerdp2-debuginfo
libfreerdp2
freerdp-server
freerdp-proxy
freerdp-debugsource
freerdp-debuginfo
freerdp
uwac0-0-devel
libuwac0-0-debuginfo
freerdp-proxy-debuginfo
freerdp-server-debuginfo
freerdp-wayland
freerdp-wayland-debuginfo
libuwac0-0
libfreerdp-client2-2 (Ubuntu package)
libfreerdp-server2-2 (Ubuntu package)
freerdp (Red Hat package)
freerdp-doc
libwinpr-devel
libwinpr
freerdp-libs
net-misc/freerdp
freerdp-help

How to mitigate CVE-2022-39282

Install updates from vendor's website.

FreeRDP - update to 2.8.1
winpr2-devel - addressed in versions 2.1.2-12.29.1, 2.1.2-150200.15.21.1, 2.4.0-150400.3.9.1
freerdp-devel - addressed in versions 2.1.2-12.29.1, 2.1.2-150200.15.21.1, 2.4.0-150400.3.9.1
libwinpr2-debuginfo - addressed in versions 2.1.2-12.29.1, 2.1.2-150200.15.21.1, 2.4.0-150400.3.9.1
libwinpr2 - addressed in versions 2.1.2-12.29.1, 2.1.2-150200.15.21.1, 2.4.0-150400.3.9.1
libfreerdp2-debuginfo - addressed in versions 2.1.2-12.29.1, 2.1.2-150200.15.21.1, 2.4.0-150400.3.9.1
libfreerdp2 - addressed in versions 2.1.2-12.29.1, 2.1.2-150200.15.21.1, 2.4.0-150400.3.9.1
freerdp-server - addressed in versions 2.1.2-12.29.1, 2.1.2-150200.15.21.1, 2.4.0-150400.3.9.1
freerdp-proxy - addressed in versions 2.1.2-12.29.1, 2.1.2-150200.15.21.1, 2.4.0-150400.3.9.1
freerdp-debugsource - addressed in versions 2.1.2-12.29.1, 2.1.2-150200.15.21.1, 2.4.0-150400.3.9.1
freerdp-debuginfo - addressed in versions 2.1.2-12.29.1, 2.1.2-150200.15.21.1, 2.4.0-150400.3.9.1
freerdp - addressed in versions 2.1.2-12.29.1, 2.1.2-150200.15.21.1, 2.4.0-150400.3.9.1
uwac0-0-devel - addressed in versions 2.1.2-150200.15.21.1, 2.4.0-150400.3.9.1
libuwac0-0-debuginfo - addressed in versions 2.1.2-150200.15.21.1, 2.4.0-150400.3.9.1
freerdp-proxy-debuginfo - addressed in versions 2.1.2-150200.15.21.1, 2.4.0-150400.3.9.1
freerdp-server-debuginfo - addressed in versions 2.1.2-150200.15.21.1, 2.4.0-150400.3.9.1
freerdp-wayland - addressed in versions 2.1.2-150200.15.21.1, 2.4.0-150400.3.9.1
freerdp-wayland-debuginfo - addressed in versions 2.1.2-150200.15.21.1, 2.4.0-150400.3.9.1
libuwac0-0 - addressed in versions 2.1.2-150200.15.21.1, 2.4.0-150400.3.9.1
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-doc - update to 2.2.0-10.0.1
libwinpr-devel - update to 2.2.0-10.0.1
libwinpr - update to 2.2.0-10.0.1
freerdp-libs - update to 2.2.0-10.0.1
freerdp-devel - update to 2.2.0-10.0.1
freerdp - update to 2.2.0-10.0.1
net-misc/freerdp - update to 2.8.1
freerdp-devel - update to 2.8.1-1
libwinpr - update to 2.8.1-1
libwinpr-devel - update to 2.8.1-1
freerdp-help - update to 2.8.1-1
freerdp-debugsource - update to 2.8.1-1
freerdp-debuginfo - update to 2.8.1-1
freerdp - update to 2.8.1-1
freerdp - addressed in versions 2.8.1-1.fc35, 2.8.1-1.fc36, 2.8.1-1.fc37, 2.9.0-1.fc36

External References

Related Security Bulletins