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CVE

CVE-2022-23477

xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protoc

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 audin_send_open() function. There are no known workarounds for this issue. Users are advised to upgrade.

CRITICAL · CVSS 9.1 EPSS 0.00239
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
▤

Affected Products & Versions

2
neutrinolabs xrdp< 0.9.21
debian linuxall versions
▣

Scoring & Timeline

9.1
CRITICAL · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Dec 2022 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

3
suse-csafopenSUSE-SU-2024:12602-1
usnUSN-6474-1
suse-csafSUSE-SU-2023:0151-1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-hqw2-jx2c-wrr2Third Party Advisory
https://www.debian.org/security/2023/dsa-5502Third Party Advisory
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