CVE-2022-23479: Buffer Overflow occurs in xrdp

Published Dec 9, 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 xrdpmmchandatain() function. There are no known workarounds for this issue. Users are advised to upgrade.

Affected Software

3 affected componentsFixes available
debian/xrdp<=0.9.9-1+deb10u1
0.9.9-1+deb10u30.9.21.1-1~deb11u10.9.21.1-1
Neutrinolabs Xrdp<0.9.21
Debian Debian Linux=11.0

Event History

Dec 9, 2022
CVE Published
via MITRE·05:49 PM
Data Sourced
via MITRE·05:49 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

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.

2

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.

3

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.

4

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.

5

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.

Contact

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