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ubuntuUbuntuUSN-6474-1
HistoryNov 08, 2023 - 12:00 a.m.

xrdp vulnerabilities

2023-11-0800:00:00
ubuntu.com
36
xrdp
ubuntu
vulnerabilities
out-of-bounds
reads
writes
session establishment errors
cve
memory corruption
execute arbitrary code

7.2 High

CVSS2

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

9.8 High

CVSS3

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

9 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

57.6%

Releases

  • Ubuntu 22.04 LTS
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • xrdp - Remote Desktop Protocol (RDP) server

Details

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 writes. An attacker
could possibly use this issue to cause memory corruption or execute
arbitrary code. This issue only affected Ubuntu 20.04 LTS and
Ubuntu 22.04 LTS. (CVE-2022-23478)

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)

OSVersionArchitecturePackageVersionFilename
Ubuntu22.04noarchxrdp< 0.9.17-2ubuntu2+esm1UNKNOWN
Ubuntu22.04noarchxrdp< 0.9.17-2ubuntu2UNKNOWN
Ubuntu22.04noarchxrdp-dbgsym< 0.9.17-2ubuntu2UNKNOWN
Ubuntu20.04noarchxrdp< 0.9.12-1ubuntu0.1+esm1UNKNOWN
Ubuntu20.04noarchxrdp< 0.9.12-1ubuntu0.1UNKNOWN
Ubuntu20.04noarchxrdp-dbgsym< 0.9.12-1ubuntu0.1UNKNOWN
Ubuntu18.04noarchxrdp< 0.9.5-2ubuntu0.1~esm2UNKNOWN
Ubuntu18.04noarchxorgxrdp< 0.9.5-2UNKNOWN
Ubuntu18.04noarchxorgxrdp-dbgsym< 0.9.5-2UNKNOWN
Ubuntu18.04noarchxrdp< 0.9.5-2UNKNOWN
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1-10 of 181

7.2 High

CVSS2

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

9.8 High

CVSS3

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

9 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

57.6%