CVE-2023-39351: FreeRDP Null Pointer Dereference leading denial of service
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions of FreeRDP are subject to a Null Pointer Dereference leading a crash in the RemoteFX (rfx) handling. Inside the rfxprocessmessagetileset function, the program allocates tiles using rfxallocatetiles for the number of numTiles. If the initialization process of tiles is not completed for various reasons, tiles will have a NULL pointer. Which may be accessed in further processing and would cause a program crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2023-39351?
CVE-2023-39351 is a vulnerability in FreeRDP, a free implementation of the Remote Desktop Protocol (RDP), that can lead to a crash in the RemoteFX (rfx) handling due to a Null Pointer Dereference.
What is the severity of CVE-2023-39351?
The severity of CVE-2023-39351 is high with a CVSS score of 7.5.
How does CVE-2023-39351 affect FreeRDP?
CVE-2023-39351 affects FreeRDP versions up to and excluding 2.11.0, as well as versions 3.0.0-beta1 and 3.0.0-beta2.
How can I fix CVE-2023-39351 in FreeRDP?
To fix CVE-2023-39351 in FreeRDP, update to version 2.11.2+dfsg1-1 or later.
Where can I find more information about CVE-2023-39351?
You can find more information about CVE-2023-39351 in the advisory on the FreeRDP GitHub repository and in the security advisories from the Fedora Project.