#VU70100 Out-of-bounds read in xrdp


Vulnerability identifier: #VU70100

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-23482

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
xrdp
Other software / Other software solutions

Vendor: neutrinolabs

Description

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

The vulnerability exists due to a boundary condition in xrdp_sec_process_mcs_data_CS_CORE() function. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

xrdp: 0.9.1 - 0.9.20


External links
http://github.com/neutrinolabs/xrdp/security/advisories/GHSA-56pq-2pm9-7fhm


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability