Out-of-bounds read in FreeRDP - CVE-2022-39316

 

Out-of-bounds read in FreeRDP - CVE-2022-39316

Published: November 25, 2022


Vulnerability identifier: #VU69594
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-39316
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: FreeRDP
Affected software:
FreeRDP

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in ZGFX decoder. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it.

Successful exploitation of the vulnerability may allows remote code execution.


How to mitigate CVE-2022-39316

Install updates from vendor's website.

Sources