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Ubuntu 20.04 LTS USN-6469-1 Moderate: xrdp DoS Threat Summary

ubuntu
Calendar Grey November 2, 2023
Dist Ubuntu Esm H88
A security flaw in xrdp impacting various Ubuntu releases may allow crashes or exploitation for remote code execution via specially designed traffic.
xrdp could be made to crash or run programs if it received specially crafted network traffic.

Summary

xrdp could be made to crash or run programs if it received

specially crafted network traffic.

Software Description:

- xrdp: Remote Desktop Protocol (RDP) server

Details:

Ashley Newson discovered that xrdp incorrectly handled memory when

processing certain incoming connections. An attacker could possibly use

this issue to cause a denial of service or arbitrary code execution.

Topics%20covered

Topics Covered

security advisory Ubuntu remote desktop DoS risk xrdp

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
   xrdp                            0.9.12-1ubuntu0.1

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
   xrdp                            0.9.5-2ubuntu0.1~esm1

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
   xrdp                            0.6.1-2ubuntu0.3+esm2

Ubuntu 14.04 LTS (Available with Ubuntu Pro):
   xrdp                            0.6.0-1ubuntu0.1+esm2

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6469-1

CVE-2020-4044

Ubuntu Security Notice USN-6469-1

Topics%20covered

Topics Covered

security advisory Ubuntu remote desktop DoS risk xrdp

Package Information

https://launchpad.net/ubuntu/+source/xrdp/0.9.12-1ubuntu0.1

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