USN-6749-1: FreeRDP vulnerabilities

Releases

• Ubuntu 23.10
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS

Packages

• freerdp2 - RDP client for Windows Terminal Services

Details

It was discovered that FreeRDP incorrectly handled certain context resets.
If a user were tricked into connecting to a malicious server, a remote
attacker could use this issue to cause FreeRDP to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2024-22211)

Evgeny Legerov discovered that FreeRDP incorrectly handled certain memory
operations. If a user were tricked into connecting to a malicious server, a
remote attacker could use this issue to cause FreeRDP to crash, resulting
in a denial of service, or possibly execute arbitrary code.
(CVE-2024-32039, CVE-2024-32040)

Evgeny Legerov discovered that FreeRDP incorrectly handled certain memory
operations. If a user were tricked into connecting to a malicious server, a
remote attacker could possibly use this issue to cause FreeRDP to crash,
resulting in a denial of service. (CVE-2024-32041, CVE-2024-32458,
CVE-2024-32460)

Evgeny Legerov discovered that FreeRDP incorrectly handled certain memory
operations. A remote attacker could possibly use this issue to cause
FreeRDP clients and servers to crash, resulting in a denial of service.
(CVE-2024-32459)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 23.10

• libfreerdp2-2 - 2.10.0+dfsg1-1.1ubuntu1.2

Ubuntu 22.04

• libfreerdp2-2 - 2.6.1+dfsg1-3ubuntu2.6

Ubuntu 20.04

• libfreerdp2-2 - 2.6.1+dfsg1-0ubuntu0.20.04.1

After a standard system update you need to restart your session to make all
the necessary changes.

References

• CVE-2024-22211
• CVE-2024-32458
• CVE-2024-32460
• CVE-2024-32041
• CVE-2024-32039
• CVE-2024-32459
• CVE-2024-32040