| Name | CVE-2022-23613 |
| Description | xrdp is an open source remote desktop protocol (RDP) server. In affected versions an integer underflow leading to a heap overflow in the sesman server allows any unauthenticated attacker which is able to locally access a sesman server to execute code as root. This vulnerability has been patched in version 0.9.18.1 and above. Users are advised to upgrade. There are no known workarounds. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1005304 |
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 | fixed |
| buster (security) | 0.9.9-1+deb10u3 | fixed |
| bullseye (security), bullseye | 0.9.21.1-1~deb11u1 | fixed |
| bookworm | 0.9.21.1-1 | fixed |
| trixie | 0.9.24-3 | fixed |
| sid | 0.9.24-4 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| xrdp | source | stretch | (not affected) | | | |
| xrdp | source | buster | (not affected) | | | |
| xrdp | source | bullseye | (not affected) | | | |
| xrdp | source | (unstable) | 0.9.17-2.1 | | | 1005304 |
Notes
[bullseye] - xrdp <not-affected> (Vulnerable code not present)
[buster] - xrdp <not-affected> (Vulnerable code not present)
[stretch] - xrdp <not-affected> (Vulnerable code not present)
https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-8h98-h426-xf32
Introduced by: https://github.com/neutrinolabs/xrdp/commit/738e346f810c97d578df9e99a36520616ee201be (v0.9.17)
Fixed by: https://github.com/neutrinolabs/xrdp/commit/4def30ab8ea445cdc06832a44c3ec40a506a0ffa