| Name | CVE-2022-23478 |
| 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 Write in xrdp_mm_trans_process_drdynvc_channel_open() 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) | buster | 0.9.9-1+deb10u1 | vulnerable |
| buster (security) | 0.9.9-1+deb10u3 | fixed |
| bullseye (security), bullseye | 0.9.21.1-1~deb11u1 | fixed |
| sid, trixie, bookworm | 0.9.21.1-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-2f49-wwpm-78pj
https://github.com/neutrinolabs/xrdp/commit/6cb54a1c26b53617e1c79a0abc96d03c4add1eb8