| Name | CVE-2017-16927 |
| Description | The scp_v0s_accept function in sesman/libscp/libscp_v0.c in the session manager in xrdp through 0.9.4 uses an untrusted integer as a write length, which allows local users to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a crafted input stream. |
| 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-1203-1 |
| Debian Bugs | 882463 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| xrdp (PTS) | bullseye (security), bullseye | 0.9.21.1-1~deb11u1 | 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.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| xrdp | source | wheezy | 0.5.0-2+deb7u2 | | DLA-1203-1 | |
| xrdp | source | stretch | 0.9.1-9+deb9u2 | | | |
| xrdp | source | (unstable) | 0.9.4-3 | | | 882463 |
Notes
[jessie] - xrdp <no-dsa> (Minor issue)
Proposed pull request: https://github.com/neutrinolabs/xrdp/pull/958
https://groups.google.com/forum/#!topic/xrdp-devel/PmVfMuy_xBA
Originally fixed with upstream patch in 0.9.4-2 but which caused regression
thus marking it only as fixed in the followup version, cf. #884702