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GoogleOSV:USN-6474-1

HistoryNov 08, 2023 - 1:47 p.m.

xrdp vulnerabilities

2023-11-0813:47:00

Google

osv.dev

xrdp

validation handling

out-of-bounds reads

out-of-bounds writes

memory corruption

arbitrary code execution

ubuntu 18.04 lts

ubuntu 20.04 lts

ubuntu 22.04 lts

session establishment errors

os-level session restrictions

pam bypass

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.3

Confidence

Low

EPSS

0.002

Percentile

58.0%

JSON

It was discovered that xrdp incorrectly handled validation of
client-supplied data, which could lead to out-of-bounds reads. An attacker
could possibly use this issue to crash the program or extract sensitive
information. (CVE-2022-23479, CVE-2022-23481, CVE-2022-23483,
CVE-2023-42822)

It was discovered that xrdp improperly handled session establishment
errors. An attacker could potentially use this issue to bypass the
OS-level session restrictions by PAM. (CVE-2023-40184)

It was discovered that xrdp incorrectly handled validation of
client-supplied data, which could lead to out-of-bounds writes. An attacker
could possibly use this issue to cause memory corruption or execute
arbitrary code. This issue only affected Ubuntu 18.04 LTS,
Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-23468)

It was discovered that xrdp incorrectly handled validation of
client-supplied data, which could lead to out-of-bounds reads. An attacker
could possibly use this issue to crash the program or extract sensitive
information. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS
and Ubuntu 22.04 LTS. (CVE-2022-23480, CVE-2022-23482, CVE-2022-23484)

It was discovered that xrdp incorrectly handled validation of
client-supplied data, which could lead to out-of-bounds reads. An attacker
could possibly use this issue to crash the program or extract sensitive
information. This issue only affected Ubuntu 20.04 LTS and
Ubuntu 22.04 LTS. (CVE-2022-23477, CVE-2022-23493)

It was discovered that xrdp incorrectly handled validation of
client-supplied data, which could lead to out-of-bounds reads. An attacker
could possibly use this issue to crash the program or extract sensitive
information. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-23613)