Buffer overflow in Neutrinolabs Xrdp
CVE-2022-23480
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 devredir_proc_client_devlist_announce_req() function. There are no known workarounds for this issue. Users are advised to upgrade.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (57.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.000
Affected products
- Neutrinolabs Xrdp — versions < 0.9.21
- Debian Linux — versions 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/neutrinolabs/xrdp/security/advisories/GHSA-3jmx-f6hv-95wg (Third Party Advisory)
- www.debian.org/security/2023/dsa-5502 (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-23480?
- CVE-2022-23480 is a critical-severity vulnerability in Neutrinolabs Xrdp, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.1/10. Published 2022-12-09.
- How severe is CVE-2022-23480?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2022-23480 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.