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Vulnerability · Published Dec 9, 2022 · Assigned by GitHub_M

CVE-2022-23478Out of Bound Write in xrdp

Critical 9.1

In plain English

A critical-severity out-of-bounds write in xrdp from neutrinolabs. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.9%top 40.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20xrdp0.9.21.1-r0ALPINE-CVE-2022-23478
Alpine:v3.21xrdp0.9.21.1-r0ALPINE-CVE-2022-23478
Alpine:v3.22xrdp0.9.21.1-r0ALPINE-CVE-2022-23478
Alpine:v3.23xrdp0.9.21.1-r0ALPINE-CVE-2022-23478
Alpine:v3.24xrdp0.9.21.1-r0ALPINE-CVE-2022-23478
Debian:12xrdp0.9.21.1-1DEBIAN-CVE-2022-23478
Debian:13xrdp0.9.21.1-1DEBIAN-CVE-2022-23478
Debian:14xrdp0.9.21.1-1DEBIAN-CVE-2022-23478

Affected products (as reported)

VendorProductVersions
neutrinolabs xrdp < 0.9.21

Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

References