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HistoryMar 31, 2023 - 2:34 p.m.

[SECURITY] [DLA 3375-1] xrdp security update

2023-03-3114:34:21
lists.debian.org
13
xrdp
buffer overflow
cve-2022-23482
cve-2022-23481
cve-2022-23480
out-of-bounds read
debian 10 buster
security update

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

8.1

Confidence

Low

EPSS

0.002

Percentile

57.6%


Debian LTS Advisory DLA-3375-1 [email protected]
https://www.debian.org/lts/security/ Chris Lamb
March 31, 2023 https://wiki.debian.org/LTS


Package : xrdp
Version : 0.9.9-1+deb10u3
CVE IDs : CVE-2022-23480 CVE-2022-23481 CVE-2022-23482
Debian Bug : 1025879

It was discovered that there were a number of vulnerabilies in the
xrdp Remote Desktop Protocol (RDP) server:

  • CVE-2022-23480: Prevent a series of potential buffer overflow
    vulnerabilities in the devredir_proc_client_devlist_announce_req()
    function.

  • CVE-2022-23481: Fix an out-of-bounds read vulnerability in the
    xrdp_caps_process_confirm_active() function.

  • CVE-2022-23482: Fix an out-of-bounds read vulnerability in the
    xrdp_sec_process_mcs_data_CS_CORE() function.

For Debian 10 buster, these problems have been fixed in version
0.9.9-1+deb10u3.

We recommend that you upgrade your xrdp packages.

For the detailed security status of xrdp please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/xrdp

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

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

8.1

Confidence

Low

EPSS

0.002

Percentile

57.6%