CVE-2022-23493

NameCVE-2022-23493
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_mm_trans_process_drdynvc_channel_close() function. There are no known workarounds for this issue. Users are advised to upgrade.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3370-1
Debian Bugs1025879

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xrdp (PTS)buster0.9.9-1+deb10u1vulnerable
buster (security)0.9.9-1+deb10u3fixed
bullseye0.9.12-1.1vulnerable
bookworm, sid0.9.21.1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xrdpsourcebuster0.9.9-1+deb10u2DLA-3370-1
xrdpsource(unstable)0.9.21.1-11025879

Notes

https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-59wp-3wq6-jh5v
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