CVE-2022-23479

EUVD-2022-28540
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 buffer over flow in xrdp_mm_chan_data_in() function. There are no known workarounds for this issue. Users are advised to upgrade.
Classic Buffer Overflow
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:N/I:H/A:H
GitHub_MCNA
9.1 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 36%
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
Fixed 0.9.5-2ubuntu0.1~esm2
released
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
Fixed 0.6.0-1ubuntu0.1+esm3
released
xenial
Fixed 0.6.1-2ubuntu0.3+esm3
released
Common Weakness Enumeration
References
https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-pgx2-3fjj-fqqh
https://www.debian.org/security/2023/dsa-5502
https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-pgx2-3fjj-fqqh
https://www.debian.org/security/2023/dsa-5502