PT-2022-5894 · Xrdp+6 · Xrdp+6

Published 2022-12-09 · Updated 2024-06-15 · CVE-2022-23493

Positive Technologies (AI Summary)

CVSS v2.0

9.4

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions xrdp versions prior to 0.9.21

Description The issue is related to an Out of Bound Read in the xrdp mm trans process drdynvc channel close() function. This can allow a remote attacker to gain unauthorized access to protected information or cause a denial of service. There are no known workarounds for this issue.

Recommendations To resolve the issue, users are advised to upgrade to a version of xrdp that is 0.9.21 or later. As a temporary workaround, consider disabling the xrdp mm trans process drdynvc channel close() function until a patch is available.

Exploit

Fix

DoS

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

ALT-PU-2022-3320

ALT-PU-2022-3387

ALT-PU-2022-3404

ALT-PU-2023-5781

BDU:2022-07310

CVE-2022-23493

DLA-3370-1

DSA-5502-1

GHSA-59WP-3WQ6-JH5V

MGASA-2023-0002

OPENSUSE-SU-2023_0033-1

OPENSUSE-SU-2024:12602-1

ROSA-SA-2023-2249

SUSE-SU-2023:0033-1

SUSE-SU-2023:0374-1

USN-6474-1

Affected Products

Alt Linux

Astra Linux

Linuxmint

Red Os

Suse

Ubuntu

Xrdp

References · 67

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23493.json · Exploit
• https://ubuntu.com/security/CVE-2022-23481 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-23468 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2023-0002.html · Security Note
• https://osv.dev/vulnerability/DLA-3370-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-23493 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2023:0033-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-42822 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:12602-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-23493 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/67CHZVOMSTH2Q7P3TYFUNZUA6J7ZYEBQ · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-23478 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2023-0316SE47MD · Vendor Advisory
• https://osv.dev/vulnerability/DSA-5502-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-23484 · Vendor Advisory