Neutrinolabs xrdp up to 0.9.20 xrdp_mm_chan_data_in buffer overflow

Summaryinfo

A vulnerability labeled as critical has been found in Neutrinolabs xrdp up to 0.9.20. This vulnerability affects the function xrdp_mm_chan_data_in. Executing a manipulation can lead to buffer overflow. This vulnerability appears as CVE-2022-23479. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in Neutrinolabs xrdp up to 0.9.20. This vulnerability affects the function xrdp_mm_chan_data_in. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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 buffer over flow in xrdp_mm_chan_data_in() function. There are no known workarounds for this issue. Users are advised to upgrade.

The weakness was presented 12/10/2022 as GHSA-pgx2-3fjj-fqqh. The advisory is available at github.com. This vulnerability was named CVE-2022-23479 since 01/19/2022. Technical details are known, but there is no available exploit.

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 best quality of vulnerability data, you may have to visit 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/

CPE 2.3info

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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