Improper Validation of Array Index in FreeRDP - CVE-2020-11041

 

Improper Validation of Array Index in FreeRDP - CVE-2020-11041

Published: June 2, 2020


Vulnerability identifier: #VU28507
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-11041
CWE-ID: CWE-129
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: FreeRDP
Affected software:
FreeRDP

Detailed vulnerability description

The vulnerability allows a remote user to perform a denal of service (DoS) attack.

The vulnerability exists due to unchecked read of array offset in "rdpsnd_recv_wave2_pdu". A remote administrator can crash the client instance followed by no or distorted sound or a session disconnect.


How to mitigate CVE-2020-11041

Install updates from vendor's website.

Sources