CVE-2022-23482
Published: 9 December 2022
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_sec_process_mcs_data_CS_CORE() function. There are no known workarounds for this issue. Users are advised to upgrade.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
xrdp
Launchpad, Ubuntu, Debian |
bionic |
Released
(0.9.5-2ubuntu0.1~esm2)
Available with Ubuntu Pro |
| focal |
Released
(0.9.12-1ubuntu0.1+esm1)
Available with Ubuntu Pro |
|
| jammy |
Released
(0.9.17-2ubuntu2+esm1)
Available with Ubuntu Pro |
|
| kinetic |
Ignored
(end of life, was needs-triage)
|
|
| lunar |
Not vulnerable
(0.9.21.1-1)
|
|
| mantic |
Not vulnerable
(0.9.21.1-1)
|
|
| noble |
Not vulnerable
(0.9.21.1-1)
|
|
| trusty |
Not vulnerable
(code not present)
|
|
| upstream |
Released
(0.9.21)
|
|
| xenial |
Not vulnerable
(code not present)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.1 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |