Information disclosure in xrdp



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-42822
CWE-ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		xrdp
Other software / Other software solutions

Vendor neutrinolabs

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU81308

Risk: Medium

CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-42822

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in xrdp_painter.c when accessing the font glyphs. A remote user can trigger an out-of-bounds read error and read contents of memory on the system.

Successful exploitation of the vulnerability may lead to system compromise.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

xrdp: 0.9.1 - 0.9.23

CPE2.3 External links

http://github.com/neutrinolabs/xrdp/security/advisories/GHSA-2hjx-rm4f-r9hw
http://github.com/neutrinolabs/xrdp/commit/73acbe1f7957c65122b00de4d6f57a8d0d257c40


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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