What is CVE-2022-23479?

CVE-2022-23479 is a vulnerability in the xrdp open source project, allowing remote attackers to conduct a buffer overflow attack.

What is the severity of CVE-2022-23479?

The severity of CVE-2022-23479 is critical with a severity score of 9.8 out of 10.

How does CVE-2022-23479 impact xrdp?

CVE-2022-23479 impacts xrdp by allowing remote attackers to trigger a buffer overflow in the xrdp_mm_chan_data_in() function.

Is there a workaround for CVE-2022-23479?

There are no known workarounds for CVE-2022-23479, users are advised to upgrade to a fixed version.

How can I fix CVE-2022-23479?

To fix CVE-2022-23479, users are advised to upgrade to a version of xrdp that is greater than or equal to 0.9.21.

Vulnerability/
CVE-2022-23479

critical

9.8

CWE

120

9/12/2022

3/8/2024

CVE-2022-23479: Buffer Overflow occurs in xrdp

First published: Fri Dec 09 2022(Updated: )

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.

Credit: security-advisories@github.com security-advisories@github.com

Affected Software	Affected Version	How to fix
debian/xrdp	<=0.9.9-1+deb10u1	0.9.9-1+deb10u3 0.9.21.1-1~deb11u1 0.9.21.1-1
Neutrinolabs Xrdp	<0.9.21
Debian Debian Linux	=11.0

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Frequently Asked Questions

What is CVE-2022-23479?
CVE-2022-23479 is a vulnerability in the xrdp open source project, allowing remote attackers to conduct a buffer overflow attack.
What is the severity of CVE-2022-23479?
The severity of CVE-2022-23479 is critical with a severity score of 9.8 out of 10.
How does CVE-2022-23479 impact xrdp?
CVE-2022-23479 impacts xrdp by allowing remote attackers to trigger a buffer overflow in the xrdp_mm_chan_data_in() function.
Is there a workaround for CVE-2022-23479?
There are no known workarounds for CVE-2022-23479, users are advised to upgrade to a fixed version.
How can I fix CVE-2022-23479?
To fix CVE-2022-23479, users are advised to upgrade to a version of xrdp that is greater than or equal to 0.9.21.

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