CVE-2022-23480: Buffer Overflow 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 devredirprocclientdevlistannouncereq() function. There are no known workarounds for this issue. Users are advised to upgrade.

Affected Software

14 affected componentsFixes available
Neutrinolabs Xrdp<0.9.21
Debian Debian Linux=11.0
debian/xrdp<0.9.21.1-1
0.9.21.1-1
debian/xrdp<0.9.21.1-1
0.9.21.1-1
debian/xrdp<0.9.21.1-1
0.9.21.1-1
debian/xrdp
0.9.21.1-1+deb12u20.9.21.1-1+deb12u30.10.1-3.1+deb13u20.10.6.1-3
alpine/xrdp<0.9.21.1-r0
0.9.21.1-r0
alpine/xrdp<0.9.21.1-r0
0.9.21.1-r0
alpine/xrdp<0.9.21.1-r0
0.9.21.1-r0
alpine/xrdp<0.9.21.1-r0
0.9.21.1-r0
alpine/xrdp<0.9.21.1-r0
0.9.21.1-r0
alpine/xrdp<0.9.21.1-r0
0.9.21.1-r0
alpine/xrdp<0.9.21.1-r0
0.9.21.1-r0
alpine/xrdp<0.9.21.1-r0
0.9.21.1-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/xrdp to a version that resolves this vulnerability.

    Fixed in 0.9.21.1-1+deb12u2Fixed in 0.9.21.1-1+deb12u3Fixed in 0.10.1-3.1+deb13u2Fixed in 0.10.6.1-3
  2. Upgrade

    Upgrade alpine/xrdp to a version that resolves this vulnerability.

    Fixed in 0.9.21.1-r0
  3. Upgrade

    Upgrade debian/xrdp to a version that resolves this vulnerability.

    Fixed in 0.9.21.1-1
  4. Upgrade

    Upgrade xrdp to a version that resolves this vulnerability.

    Fixed in 0.9.21

Event History

Dec 9, 2022
CVE Published
via MITRE·05:50 PM
Data Sourced
via MITRE·05:50 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·06:15 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is CVE-2022-23480?

CVE-2022-23480 is a vulnerability in xrdp, an open-source project that provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP).

2

What is the severity of CVE-2022-23480?

The severity of CVE-2022-23480 is critical, with a severity score of 9.8.

3

How does CVE-2022-23480 affect xrdp?

CVE-2022-23480 affects xrdp versions prior to 0.9.21, as it contains a buffer overflow vulnerability in the devredir_proc_client_devlist_announce_req() function.

4

Are there any known workarounds for CVE-2022-23480?

No, there are no known workarounds for CVE-2022-23480. Users are advised to upgrade to a patched version of xrdp.

5

How can I fix CVE-2022-23480?

To fix CVE-2022-23480, users are advised to upgrade their xrdp installations to version 0.9.21 or later.

Contact

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