USN-5734-1: FreeRDP vulnerabilities
22 November 2022
Several security issues were fixed in FreeRDP.
Releases
Packages
- freerdp2 - RDP client for Windows Terminal Services
Details
It was discovered that FreeRDP incorrectly handled certain data lenghts. A
malicious server could use this issue to cause FreeRDP clients to crash,
resulting in a denial of service, or possibly obtain sensitive information.
This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu
22.04 LTS. (CVE-2022-39282, CVE-2022-39283)
It was discovered that FreeRDP incorrectly handled certain data lenghts. A
malicious server could use this issue to cause FreeRDP clients to crash,
resulting in a denial of service, or possibly obtain sensitive information.
(CVE-2022-39316, CVE-2022-39317, CVE-2022-39318, CVE-2022-39319,
CVE-2022-39320)
It was discovered that FreeRDP incorrectly handled certain path checks. A
malicious server could use this issue to cause FreeRDP clients to read
files outside of the shared directory. (CVE-2022-39347)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 22.10
Ubuntu 22.04
Ubuntu 20.04
-
libfreerdp-server2-2
-
2.2.0+dfsg1-0ubuntu0.20.04.4
-
libfreerdp-client2-2
-
2.2.0+dfsg1-0ubuntu0.20.04.4
Ubuntu 18.04
-
libfreerdp-server2-2
-
2.2.0+dfsg1-0ubuntu0.18.04.4
-
libfreerdp-client2-2
-
2.2.0+dfsg1-0ubuntu0.18.04.4
After a standard system update you need to reboot your computer to make
all the necessary changes.