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Ubuntu Security Notice USN-6749-1
April 24, 2024
freerdp2 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
Summary:
Several security issues were fixed in FreeRDP.
Software Description:
- 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 LTS:
   libfreerdp2-2                   2.6.1+dfsg1-3ubuntu2.6
Ubuntu 20.04 LTS:
   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:
   https://ubuntu.com/security/notices/USN-6749-1
   CVE-2024-22211, CVE-2024-32039, CVE-2024-32040, CVE-2024-32041,
   CVE-2024-32458, CVE-2024-32459, CVE-2024-32460
Package Information:
   https://launchpad.net/ubuntu/+source/freerdp2/2.10.0+dfsg1-1.1ubuntu1.2
   https://launchpad.net/ubuntu/+source/freerdp2/2.6.1+dfsg1-3ubuntu2.6
   https://launchpad.net/ubuntu/+source/freerdp2/2.6.1+dfsg1-0ubuntu0.20.04.1