CVE-2022-23493

EUVD-2022-28549
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 Read in xrdp_mm_trans_process_drdynvc_channel_close() function. There are no known workarounds for this issue. Users are advised to upgrade.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.1 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
GitHub_MCNA
9.1 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 43%
Affected Products (NVD)
VendorProductVersion
neutrinolabsxrdp
𝑥
< 0.9.21
debiandebian_linux
11.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
xrdp
bookworm
0.9.21.1-1
fixed
bullseye
0.9.21.1-1~deb11u1
fixed
bullseye (security)
0.9.21.1-1~deb11u1
fixed
sid
0.10.1-3
fixed
trixie
0.10.1-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
xrdp
bionic
not-affected
focal
Fixed 0.9.12-1ubuntu0.1+esm1
released
jammy
Fixed 0.9.17-2ubuntu2+esm1
released
kinetic
ignored
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
not-affected
xenial
not-affected
Common Weakness Enumeration
References
https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-59wp-3wq6-jh5v
https://www.debian.org/security/2023/dsa-5502
https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-59wp-3wq6-jh5v
https://www.debian.org/security/2023/dsa-5502