// For flags

CVE-2022-39316

Out of bound read in FreeRDP

Severity Score

5.7
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

FreeRDP is a free remote desktop protocol library and clients. In affected versions there is an out of bound read in ZGFX decoder component of FreeRDP. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it likely resulting in a crash. This issue has been addressed in the 2.9.0 release. Users are advised to upgrade.

FreeRDP es una librería de protocolos de escritorio remoto gratuitos y clientes. En las versiones afectadas hay una lectura fuera de límites en el componente decodificador ZGFX de FreeRDP. Un servidor malicioso puede engañar a un cliente basado en FreeRDP para que lea datos fuera de enlace e intente decodificarlos, lo que probablemente provoque un bloqueo. Este problema se solucionó en la versión 2.9.0. Se recomienda a los usuarios que actualicen.

An out-of-bounds read vulnerability was found in the ZGFX decoder component of FreeRDP. A malicious server can trick a FreeRDP based client to read out-of-bound data and try to decode it. This will result in a crash, causing a denial of service.

FreeRDP is a free implementation of the Remote Desktop Protocol, released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox. Issues addressed include buffer overflow and out of bounds read vulnerabilities.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-09-02 CVE Reserved
  • 2022-11-16 CVE Published
  • 2024-08-03 CVE Updated
  • 2025-04-13 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-125: Out-of-bounds Read
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Freerdp
Search vendor "Freerdp"
 Freerdp
Search vendor "Freerdp" for product "Freerdp"
 < 2.9.0
Search vendor "Freerdp" for product "Freerdp" and version " < 2.9.0"
-
Affected
Fedoraproject
Search vendor "Fedoraproject"
 Fedora
Search vendor "Fedoraproject" for product "Fedora"
 36
Search vendor "Fedoraproject" for product "Fedora" and version "36"
-
Affected
Fedoraproject
Search vendor "Fedoraproject"
 Fedora
Search vendor "Fedoraproject" for product "Fedora"
 37
Search vendor "Fedoraproject" for product "Fedora" and version "37"
-
Affected