| Name | CVE-2022-23493 |
| Description | xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp < v0.9.21 contain a Out of Bound Read in xrdp_mm_trans_process_drdynvc_channel_close() function. There are no known workarounds for this issue. Users are advised to upgrade. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3370-1, DSA-5502-1 |
| Debian Bugs | 1025879 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| xrdp (PTS) | bullseye | 0.9.21.1-1~deb11u1 | fixed |
| bullseye (security) | 0.9.21.1-1~deb11u2 | fixed |
| bookworm | 0.9.21.1-1 | fixed |
| sid, trixie | 0.10.1-3 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-59wp-3wq6-jh5v
https://github.com/neutrinolabs/xrdp/commit/030db5524be7616967ae9e7d26b3d4477cf6082d