Out-of-bounds read in xrdp - CVE-2023-42822

 

Out-of-bounds read in xrdp - CVE-2023-42822

Published: October 2, 2023


Vulnerability identifier: #VU81308
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-42822
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
xrdp
Software vendor:
neutrinolabs

Description

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

The vulnerability exists due to a boundary condition in xrdp_painter.c when accessing the font glyphs. A remote user can trigger an out-of-bounds read error and read contents of memory on the system.

Successful exploitation of the vulnerability may lead to system compromise.


Remediation

Install updates from vendor's website.

External links