PT-2023-5611 · Debian+7 · Debian+7
Metalefty
·
Published
2023-09-27
·
Updated
2025-09-03
·
CVE-2023-42822
CVSS v3.1
6.5
Medium
| Vector | AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Name of the Vulnerable Software and Affected Versions
xrdp versions prior to 0.9.23.1
Description
The issue is related to an out-of-bounds read within the xrdp executable due to unbounds-checked access to font glyphs in xrdp painter.c. This can result in an out-of-bounds read within a potentially privileged process, and on non-Debian platforms, xrdp tends to run as root. Potentially, an out-of-bounds write can follow the out-of-bounds read. There is no denial-of-service impact if xrdp is running in forking mode.
Recommendations
To resolve the issue, upgrade to release 0.9.23.1 or later.
As a temporary workaround, consider restricting access to the xrdp painter.c component until a patch is available.
Avoid using controllable data by the user in the affected xrdp executable until the issue is resolved.
Exploit
Fix
DoS
Out of bounds Read
Found an issue in the description? Have something to add? Feel free to write us 👾
Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Astra Linux
Debian
Linuxmint
Red Os
Suse
Ubuntu
Xrdp