Neutrinolabs xrdp up to 0.9.20 xrdp_sec_process_mcs_data_CS_CORE out-of-bounds

Summaryinfo

A vulnerability classified as problematic has been found in Neutrinolabs xrdp up to 0.9.20. The affected element is the function xrdp_sec_process_mcs_data_CS_CORE. This manipulation causes out-of-bounds. This vulnerability is handled as CVE-2022-23482. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Neutrinolabs xrdp up to 0.9.20 and classified as problematic. Affected by this vulnerability is the function xrdp_sec_process_mcs_data_CS_CORE. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. The summary by CVE is:

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.

The weakness was released 12/10/2022 as GHSA-56pq-2pm9-7fhm. The advisory is shared at github.com. This vulnerability is known as CVE-2022-23482 since 01/19/2022. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 211003 (Fedora 37 : xrdp (2022-6fe4046ae9)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 0.9.21 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (211003). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• Neutrinolabs

Name

• xrdp

Version

• 0.9.0
• 0.9.1
• 0.9.2
• 0.9.3
• 0.9.4
• 0.9.5
• 0.9.6
• 0.9.7
• 0.9.8
• 0.9.9
• 0.9.10
• 0.9.11
• 0.9.12
• 0.9.13
• 0.9.14
• 0.9.15
• 0.9.16
• 0.9.17
• 0.9.18
• 0.9.19
• 0.9.20

Website

• Product: https://github.com/neutrinolabs/xrdp/

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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