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USN-3845-2: FreeRDP vulnerabilities

28 May 2019

Several security issues were fixed in FreeRDP.

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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)

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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.

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

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