CVE-2022-23482

NameCVE-2022-23482
Descriptionxrdp 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_sec_process_mcs_data_CS_CORE() function. There are no known workarounds for this issue. Users are advised to upgrade.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3375-1, DSA-5502-1
Debian Bugs1025879

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xrdp (PTS)bullseye0.9.21.1-1~deb11u1fixed
bullseye (security)0.9.21.1-1~deb11u2fixed
bookworm0.9.21.1-1+deb12u1fixed
forky, sid, trixie0.10.1-3.1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xrdpsourcebuster0.9.9-1+deb10u3DLA-3375-1
xrdpsourcebullseye0.9.21.1-1~deb11u1DSA-5502-1
xrdpsource(unstable)0.9.21.1-11025879

Notes

https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-56pq-2pm9-7fhm
https://github.com/neutrinolabs/xrdp/commit/1e42426db59120c6596d673f1bb2dc8b0312e692
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