Out-of-bounds Read in Neutrinolabs Xrdp
CVE-2022-23493
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.
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:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.009 (59.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · 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-59wp-3wq6-jh5v (Third Party Advisory)
- www.debian.org/security/2023/dsa-5502 (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-23493?
- CVE-2022-23493 is a critical-severity vulnerability in Neutrinolabs Xrdp, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2022-12-09.
- How severe is CVE-2022-23493?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2022-23493 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.