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ubuntucveUbuntu.comUB:CVE-2022-23482
HistoryDec 09, 2022 - 12:00 a.m.

CVE-2022-23482

2022-12-0900:00:00
ubuntu.com
ubuntu.com
25
xrdp
out of bound read
vulnerability
remote desktop
upgrade
microsoft remote desktop protocol

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS

0.002

Percentile

57.2%

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.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchxrdp< 0.9.5-2ubuntu0.1~esm2UNKNOWN
ubuntu20.04noarchxrdp< 0.9.12-1ubuntu0.1+esm1UNKNOWN
ubuntu22.04noarchxrdp< 0.9.17-2ubuntu2+esm1UNKNOWN

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS

0.002

Percentile

57.2%