Your submission was sent successfully! Close

Thank you for contacting us. A member of our team will be in touch shortly. Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

USN-3845-2: FreeRDP vulnerabilities

28 May 2019

Several security issues were fixed in FreeRDP.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Releases

Packages

  • freerdp - RDP client for Windows Terminal Services

Details

USN-3845-1 fixed several vulnerabilities in FreeRDP. This update provides the
corresponding update for Ubuntu 18.04 LTS and Ubuntu 18.10.

Original advisory details:

Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings. A
malicious server could use this issue to cause FreeRDP to crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only applies
to Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-8784, CVE-2018-8785)

Eyal Itkin discovered FreeRDP incorrectly handled bitmaps. A malicious server
could use this issue to cause FreeRDP to crash, resulting in a denial of
service, or possibly execute arbitrary code. (CVE-2018-8786, CVE-2018-8787)

Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings. A
malicious server could use this issue to cause FreeRDP to crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only applies
to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-8788)

Eyal Itkin discovered FreeRDP incorrectly handled NTLM authentication. A
malicious server could use this issue to cause FreeRDP to crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only applies
to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-8789)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 18.10
Ubuntu 18.04

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

References

Related notices

  • USN-3845-1: freerdp2, libwinpr-crt0.1, libwinpr-thread0.1, libwinpr-file0.1, libfreerdp-rail1.1, libuwac0-0, libfreerdp-server2-2, libwinpr-winhttp0.1, libwinpr-library0.1, libwinpr-registry0.1, libxfreerdp-client1.1, freerdp2-dev, libfreerdp-codec1.1, libfreerdp-primitives1.1, freerdp-x11, libwinpr-bcrypt0.1, libwinpr-credentials0.1, libfreerdp-core1.1, libwinpr-crypto0.1, libwinpr-path0.1, freerdp2-x11, libwinpr-synch0.1, libwinpr-pipe0.1, libfreerdp-shadow2-2, libfreerdp-gdi1.1, libwinpr-handle0.1, libwinpr-sspi0.1, libwinpr-error0.1, libuwac0-dev, libwinpr-heap0.1, libfreerdp2-2, libwinpr-rpc0.1, libwinpr-sysinfo0.1, libfreerdp-client1.1, libfreerdp1, libfreerdp-common1.1.0, freerdp2-shadow-x11, libwinpr-io0.1, libwinpr-sspicli0.1, libwinpr-timezone0.1, libwinpr-utils0.1, libfreerdp-plugins-standard, libwinpr-environment0.1, libwinpr2-2, libfreerdp-shadow-subsystem2-2, freerdp2-wayland, freerdp, libfreerdp-dev, libwinpr-pool0.1, libwinpr-tools2-2, libwinpr2-dev, libwinpr-credui0.1, libwinpr-interlocked0.1, libfreerdp-crypto1.1, libfreerdp-client2-2, libfreerdp-utils1.1, libfreerdp-cache1.1, libwinpr-dev, libfreerdp-locale1.1, libwinpr-input0.1, libwinpr-asn1-0.1, libwinpr-winsock0.1, libwinpr-dsparse0.1, winpr-utils

Join the discussion

Need help with your security needs?

Ubuntu Pro provides up to ten-year security coverage for over 23,000 open-source packages within the Ubuntu Main and Universe repositories.

Talk to an expert to find out what would work best for you

Further reading